Merge "Build fuzzing sources against release 8 when eventually running with ART."
diff --git a/compiler/debug/debug_info.h b/compiler/debug/debug_info.h
new file mode 100644
index 0000000..04c6991
--- /dev/null
+++ b/compiler/debug/debug_info.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_COMPILER_DEBUG_DEBUG_INFO_H_
+#define ART_COMPILER_DEBUG_DEBUG_INFO_H_
+
+#include <map>
+
+#include "base/array_ref.h"
+#include "method_debug_info.h"
+
+namespace art {
+class DexFile;
+
+namespace debug {
+
+// References inputs for all debug information which can be written into the ELF file.
+struct DebugInfo {
+  // Describes compiled code in the .text section.
+  ArrayRef<const MethodDebugInfo> compiled_methods;
+
+  // Describes dex-files in the .dex section.
+  std::map<uint32_t, const DexFile*> dex_files;  // Offset in section -> dex file content.
+
+  bool Empty() const {
+    return compiled_methods.empty() && dex_files.empty();
+  }
+};
+
+}  // namespace debug
+}  // namespace art
+
+#endif  // ART_COMPILER_DEBUG_DEBUG_INFO_H_
diff --git a/compiler/debug/elf_debug_info_writer.h b/compiler/debug/elf_debug_info_writer.h
index 713f8eb..893cad2 100644
--- a/compiler/debug/elf_debug_info_writer.h
+++ b/compiler/debug/elf_debug_info_writer.h
@@ -49,7 +49,7 @@
 
 static std::vector<const char*> GetParamNames(const MethodDebugInfo* mi) {
   std::vector<const char*> names;
-  CodeItemDebugInfoAccessor accessor(*mi->dex_file, mi->code_item);
+  CodeItemDebugInfoAccessor accessor(*mi->dex_file, mi->code_item, mi->dex_method_index);
   if (accessor.HasCodeItem()) {
     DCHECK(mi->dex_file != nullptr);
     const uint8_t* stream = mi->dex_file->GetDebugInfoStream(accessor.DebugInfoOffset());
@@ -163,7 +163,7 @@
     for (auto mi : compilation_unit.methods) {
       DCHECK(mi->dex_file != nullptr);
       const DexFile* dex = mi->dex_file;
-      CodeItemDebugInfoAccessor accessor(*dex, mi->code_item);
+      CodeItemDebugInfoAccessor accessor(*dex, mi->code_item, mi->dex_method_index);
       const DexFile::MethodId& dex_method = dex->GetMethodId(mi->dex_method_index);
       const DexFile::ProtoId& dex_proto = dex->GetMethodPrototype(dex_method);
       const DexFile::TypeList* dex_params = dex->GetProtoParameters(dex_proto);
diff --git a/compiler/debug/elf_debug_line_writer.h b/compiler/debug/elf_debug_line_writer.h
index 4e37f4e..44504c1 100644
--- a/compiler/debug/elf_debug_line_writer.h
+++ b/compiler/debug/elf_debug_line_writer.h
@@ -159,7 +159,7 @@
       PositionInfos dex2line_map;
       DCHECK(mi->dex_file != nullptr);
       const DexFile* dex = mi->dex_file;
-      CodeItemDebugInfoAccessor accessor(*dex, mi->code_item);
+      CodeItemDebugInfoAccessor accessor(*dex, mi->code_item, mi->dex_method_index);
       const uint32_t debug_info_offset = accessor.DebugInfoOffset();
       if (!dex->DecodeDebugPositionInfo(debug_info_offset, PositionInfoCallback, &dex2line_map)) {
         continue;
diff --git a/compiler/debug/elf_debug_writer.cc b/compiler/debug/elf_debug_writer.cc
index a626729..bb2a214 100644
--- a/compiler/debug/elf_debug_writer.cc
+++ b/compiler/debug/elf_debug_writer.cc
@@ -38,18 +38,18 @@
 
 template <typename ElfTypes>
 void WriteDebugInfo(linker::ElfBuilder<ElfTypes>* builder,
-                    const ArrayRef<const MethodDebugInfo>& method_infos,
+                    const DebugInfo& debug_info,
                     dwarf::CFIFormat cfi_format,
                     bool write_oat_patches) {
   // Write .strtab and .symtab.
-  WriteDebugSymbols(builder, method_infos, true /* with_signature */);
+  WriteDebugSymbols(builder, false /* mini-debug-info */, debug_info);
 
   // Write .debug_frame.
-  WriteCFISection(builder, method_infos, cfi_format, write_oat_patches);
+  WriteCFISection(builder, debug_info.compiled_methods, cfi_format, write_oat_patches);
 
   // Group the methods into compilation units based on class.
   std::unordered_map<const DexFile::ClassDef*, ElfCompilationUnit> class_to_compilation_unit;
-  for (const MethodDebugInfo& mi : method_infos) {
+  for (const MethodDebugInfo& mi : debug_info.compiled_methods) {
     if (mi.dex_file != nullptr) {
       auto& dex_class_def = mi.dex_file->GetClassDef(mi.class_def_index);
       ElfCompilationUnit& cu = class_to_compilation_unit[&dex_class_def];
@@ -108,21 +108,27 @@
 std::vector<uint8_t> MakeMiniDebugInfo(
     InstructionSet isa,
     const InstructionSetFeatures* features,
-    uint64_t text_address,
-    size_t text_size,
-    const ArrayRef<const MethodDebugInfo>& method_infos) {
+    uint64_t text_section_address,
+    size_t text_section_size,
+    uint64_t dex_section_address,
+    size_t dex_section_size,
+    const DebugInfo& debug_info) {
   if (Is64BitInstructionSet(isa)) {
     return MakeMiniDebugInfoInternal<ElfTypes64>(isa,
                                                  features,
-                                                 text_address,
-                                                 text_size,
-                                                 method_infos);
+                                                 text_section_address,
+                                                 text_section_size,
+                                                 dex_section_address,
+                                                 dex_section_size,
+                                                 debug_info);
   } else {
     return MakeMiniDebugInfoInternal<ElfTypes32>(isa,
                                                  features,
-                                                 text_address,
-                                                 text_size,
-                                                 method_infos);
+                                                 text_section_address,
+                                                 text_section_size,
+                                                 dex_section_address,
+                                                 dex_section_size,
+                                                 debug_info);
   }
 }
 
@@ -133,7 +139,8 @@
     bool mini_debug_info,
     const MethodDebugInfo& mi) {
   CHECK_EQ(mi.is_code_address_text_relative, false);
-  ArrayRef<const MethodDebugInfo> method_infos(&mi, 1);
+  DebugInfo debug_info{};
+  debug_info.compiled_methods = ArrayRef<const debug::MethodDebugInfo>(&mi, 1);
   std::vector<uint8_t> buffer;
   buffer.reserve(KB);
   linker::VectorOutputStream out("Debug ELF file", &buffer);
@@ -146,12 +153,14 @@
                                                  features,
                                                  mi.code_address,
                                                  mi.code_size,
-                                                 method_infos);
+                                                 /* dex_section_address */ 0,
+                                                 /* dex_section_size */ 0,
+                                                 debug_info);
     builder->WriteSection(".gnu_debugdata", &mdi);
   } else {
     builder->GetText()->AllocateVirtualMemory(mi.code_address, mi.code_size);
     WriteDebugInfo(builder.get(),
-                   method_infos,
+                   debug_info,
                    dwarf::DW_DEBUG_FRAME_FORMAT,
                    false /* write_oat_patches */);
   }
@@ -209,12 +218,12 @@
 // Explicit instantiations
 template void WriteDebugInfo<ElfTypes32>(
     linker::ElfBuilder<ElfTypes32>* builder,
-    const ArrayRef<const MethodDebugInfo>& method_infos,
+    const DebugInfo& debug_info,
     dwarf::CFIFormat cfi_format,
     bool write_oat_patches);
 template void WriteDebugInfo<ElfTypes64>(
     linker::ElfBuilder<ElfTypes64>* builder,
-    const ArrayRef<const MethodDebugInfo>& method_infos,
+    const DebugInfo& debug_info,
     dwarf::CFIFormat cfi_format,
     bool write_oat_patches);
 
diff --git a/compiler/debug/elf_debug_writer.h b/compiler/debug/elf_debug_writer.h
index a47bf07..8ad0c42 100644
--- a/compiler/debug/elf_debug_writer.h
+++ b/compiler/debug/elf_debug_writer.h
@@ -23,6 +23,7 @@
 #include "base/macros.h"
 #include "base/mutex.h"
 #include "debug/dwarf/dwarf_constants.h"
+#include "debug/debug_info.h"
 #include "linker/elf_builder.h"
 
 namespace art {
@@ -36,7 +37,7 @@
 template <typename ElfTypes>
 void WriteDebugInfo(
     linker::ElfBuilder<ElfTypes>* builder,
-    const ArrayRef<const MethodDebugInfo>& method_infos,
+    const DebugInfo& debug_info,
     dwarf::CFIFormat cfi_format,
     bool write_oat_patches);
 
@@ -45,7 +46,9 @@
     const InstructionSetFeatures* features,
     uint64_t text_section_address,
     size_t text_section_size,
-    const ArrayRef<const MethodDebugInfo>& method_infos);
+    uint64_t dex_section_address,
+    size_t dex_section_size,
+    const DebugInfo& debug_info);
 
 std::vector<uint8_t> MakeElfFileForJIT(
     InstructionSet isa,
diff --git a/compiler/debug/elf_gnu_debugdata_writer.h b/compiler/debug/elf_gnu_debugdata_writer.h
index 78b8e27..a88c5cb 100644
--- a/compiler/debug/elf_gnu_debugdata_writer.h
+++ b/compiler/debug/elf_gnu_debugdata_writer.h
@@ -82,18 +82,23 @@
     const InstructionSetFeatures* features,
     typename ElfTypes::Addr text_section_address,
     size_t text_section_size,
-    const ArrayRef<const MethodDebugInfo>& method_infos) {
+    typename ElfTypes::Addr dex_section_address,
+    size_t dex_section_size,
+    const DebugInfo& debug_info) {
   std::vector<uint8_t> buffer;
   buffer.reserve(KB);
   linker::VectorOutputStream out("Mini-debug-info ELF file", &buffer);
   std::unique_ptr<linker::ElfBuilder<ElfTypes>> builder(
       new linker::ElfBuilder<ElfTypes>(isa, features, &out));
   builder->Start(false /* write_program_headers */);
-  // Mirror .text as NOBITS section since the added symbols will reference it.
+  // Mirror ELF sections as NOBITS since the added symbols will reference them.
   builder->GetText()->AllocateVirtualMemory(text_section_address, text_section_size);
-  WriteDebugSymbols(builder.get(), method_infos, false /* with_signature */);
+  if (dex_section_size != 0) {
+    builder->GetDex()->AllocateVirtualMemory(dex_section_address, dex_section_size);
+  }
+  WriteDebugSymbols(builder.get(), true /* mini-debug-info */, debug_info);
   WriteCFISection(builder.get(),
-                  method_infos,
+                  debug_info.compiled_methods,
                   dwarf::DW_DEBUG_FRAME_FORMAT,
                   false /* write_oat_paches */);
   builder->End();
diff --git a/compiler/debug/elf_symtab_writer.h b/compiler/debug/elf_symtab_writer.h
index 57e010f..95a0b4f 100644
--- a/compiler/debug/elf_symtab_writer.h
+++ b/compiler/debug/elf_symtab_writer.h
@@ -17,9 +17,13 @@
 #ifndef ART_COMPILER_DEBUG_ELF_SYMTAB_WRITER_H_
 #define ART_COMPILER_DEBUG_ELF_SYMTAB_WRITER_H_
 
+#include <map>
 #include <unordered_set>
 
+#include "debug/debug_info.h"
 #include "debug/method_debug_info.h"
+#include "dex/dex_file-inl.h"
+#include "dex/code_item_accessors.h"
 #include "linker/elf_builder.h"
 #include "utils.h"
 
@@ -35,22 +39,26 @@
 // one symbol which marks the whole .text section as code.
 constexpr bool kGenerateSingleArmMappingSymbol = true;
 
+// Magic name for .symtab symbols which enumerate dex files used
+// by this ELF file (currently mmapped inside the .dex section).
+constexpr const char* kDexFileSymbolName = "$dexfile";
+
 template <typename ElfTypes>
 static void WriteDebugSymbols(linker::ElfBuilder<ElfTypes>* builder,
-                              const ArrayRef<const MethodDebugInfo>& method_infos,
-                              bool with_signature) {
+                              bool mini_debug_info,
+                              const DebugInfo& debug_info) {
   uint64_t mapping_symbol_address = std::numeric_limits<uint64_t>::max();
   auto* strtab = builder->GetStrTab();
   auto* symtab = builder->GetSymTab();
 
-  if (method_infos.empty()) {
+  if (debug_info.Empty()) {
     return;
   }
 
   // Find all addresses which contain deduped methods.
   // The first instance of method is not marked deduped_, but the rest is.
   std::unordered_set<uint64_t> deduped_addresses;
-  for (const MethodDebugInfo& info : method_infos) {
+  for (const MethodDebugInfo& info : debug_info.compiled_methods) {
     if (info.deduped) {
       deduped_addresses.insert(info.code_address);
     }
@@ -58,9 +66,8 @@
 
   strtab->Start();
   strtab->Write("");  // strtab should start with empty string.
-  std::string last_name;
-  size_t last_name_offset = 0;
-  for (const MethodDebugInfo& info : method_infos) {
+  // Add symbols for compiled methods.
+  for (const MethodDebugInfo& info : debug_info.compiled_methods) {
     if (info.deduped) {
       continue;  // Add symbol only for the first instance.
     }
@@ -69,14 +76,11 @@
       name_offset = strtab->Write(info.trampoline_name);
     } else {
       DCHECK(info.dex_file != nullptr);
-      std::string name = info.dex_file->PrettyMethod(info.dex_method_index, with_signature);
+      std::string name = info.dex_file->PrettyMethod(info.dex_method_index, !mini_debug_info);
       if (deduped_addresses.find(info.code_address) != deduped_addresses.end()) {
         name += " [DEDUPED]";
       }
-      // If we write method names without signature, we might see the same name multiple times.
-      name_offset = (name == last_name ? last_name_offset : strtab->Write(name));
-      last_name = std::move(name);
-      last_name_offset = name_offset;
+      name_offset = strtab->Write(name);
     }
 
     const auto* text = builder->GetText();
@@ -97,13 +101,46 @@
       }
     }
   }
+  // Add symbols for interpreted methods (with address range of the method's bytecode).
+  if (!debug_info.dex_files.empty() && builder->GetDex()->Exists()) {
+    auto dex = builder->GetDex();
+    for (auto it : debug_info.dex_files) {
+      uint64_t dex_address = dex->GetAddress() + it.first /* offset within the section */;
+      const DexFile* dex_file = it.second;
+      symtab->Add(strtab->Write(kDexFileSymbolName), dex, dex_address, 0, STB_LOCAL, STT_NOTYPE);
+      if (mini_debug_info) {
+        continue;  // Don't add interpreter method names to mini-debug-info for now.
+      }
+      for (uint32_t i = 0; i < dex_file->NumClassDefs(); ++i) {
+        const DexFile::ClassDef& class_def = dex_file->GetClassDef(i);
+        const uint8_t* class_data = dex_file->GetClassData(class_def);
+        if (class_data == nullptr) {
+          continue;
+        }
+        for (ClassDataItemIterator item(*dex_file, class_data); item.HasNext(); item.Next()) {
+          if (!item.IsAtMethod()) {
+            continue;
+          }
+          const DexFile::CodeItem* code_item = item.GetMethodCodeItem();
+          if (code_item == nullptr) {
+            continue;
+          }
+          CodeItemInstructionAccessor code(*dex_file, code_item);
+          DCHECK(code.HasCodeItem());
+          std::string name = dex_file->PrettyMethod(item.GetMemberIndex(), !mini_debug_info);
+          size_t name_offset = strtab->Write(name);
+          uint64_t offset = reinterpret_cast<const uint8_t*>(code.Insns()) - dex_file->Begin();
+          uint64_t address = dex_address + offset;
+          size_t size = code.InsnsSizeInCodeUnits() * sizeof(uint16_t);
+          symtab->Add(name_offset, dex, address, size, STB_GLOBAL, STT_FUNC);
+        }
+      }
+    }
+  }
   strtab->End();
 
   // Symbols are buffered and written after names (because they are smaller).
-  // We could also do two passes in this function to avoid the buffering.
-  symtab->Start();
-  symtab->Write();
-  symtab->End();
+  symtab->WriteCachedSection();
 }
 
 }  // namespace debug
diff --git a/compiler/dex/dex_to_dex_compiler.cc b/compiler/dex/dex_to_dex_compiler.cc
index 52cb217..308e75d 100644
--- a/compiler/dex/dex_to_dex_compiler.cc
+++ b/compiler/dex/dex_to_dex_compiler.cc
@@ -373,15 +373,15 @@
       CHECK_EQ(quicken_count, dex_compiler.GetQuickenedInfo().size());
     }
     std::vector<uint8_t> quicken_data;
+    QuickenInfoTable::Builder builder(&quicken_data, dex_compiler.GetQuickenedInfo().size());
+    // Length is encoded by the constructor.
     for (QuickenedInfo info : dex_compiler.GetQuickenedInfo()) {
       // Dex pc is not serialized, only used for checking the instructions. Since we access the
       // array based on the index of the quickened instruction, the indexes must line up perfectly.
       // The reader side uses the NeedsIndexForInstruction function too.
       const Instruction& inst = unit.GetCodeItemAccessor().InstructionAt(info.dex_pc);
       CHECK(QuickenInfoTable::NeedsIndexForInstruction(&inst)) << inst.Opcode();
-      // Add the index.
-      quicken_data.push_back(static_cast<uint8_t>(info.dex_member_index >> 0));
-      quicken_data.push_back(static_cast<uint8_t>(info.dex_member_index >> 8));
+      builder.AddIndex(info.dex_member_index);
     }
     InstructionSet instruction_set = driver->GetInstructionSet();
     if (instruction_set == InstructionSet::kThumb2) {
diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index c0886d0..8698659 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -424,10 +424,6 @@
     // optimizations that could break that.
     max_level = optimizer::DexToDexCompilationLevel::kDontDexToDexCompile;
   }
-  if (!VdexFile::CanEncodeQuickenedData(dex_file)) {
-    // Don't do any dex level optimizations if we cannot encode the quickening.
-    return optimizer::DexToDexCompilationLevel::kDontDexToDexCompile;
-  }
   if (klass->IsVerified()) {
     // Class is verified so we can enable DEX-to-DEX compilation for performance.
     return max_level;
diff --git a/compiler/linker/elf_builder.h b/compiler/linker/elf_builder.h
index 5262ab6..1c87518 100644
--- a/compiler/linker/elf_builder.h
+++ b/compiler/linker/elf_builder.h
@@ -18,6 +18,7 @@
 #define ART_COMPILER_LINKER_ELF_BUILDER_H_
 
 #include <vector>
+#include <unordered_map>
 
 #include "arch/instruction_set.h"
 #include "arch/mips/instruction_set_features_mips.h"
@@ -196,6 +197,11 @@
       return section_index_;
     }
 
+    // Returns true if this section has been added.
+    bool Exists() const {
+      return section_index_ != 0;
+    }
+
    private:
     // Add this section to the list of generated ELF sections (if not there already).
     // It also ensures the alignment is sufficient to generate valid program headers,
@@ -311,35 +317,36 @@
       if (current_offset_ == 0) {
         DCHECK(name.empty());
       }
-      Elf_Word offset = current_offset_;
-      this->WriteFully(name.c_str(), name.length() + 1);
-      current_offset_ += name.length() + 1;
-      return offset;
+      auto res = written_names_.emplace(name, current_offset_);
+      if (res.second) {  // Inserted.
+        this->WriteFully(name.c_str(), name.length() + 1);
+        current_offset_ += name.length() + 1;
+      }
+      return res.first->second;  // Offset.
     }
 
    private:
     Elf_Word current_offset_;
+    std::unordered_map<std::string, Elf_Word> written_names_;  // Dedup strings.
   };
 
   // Writer of .dynsym and .symtab sections.
-  class SymbolSection FINAL : public CachedSection {
+  class SymbolSection FINAL : public Section {
    public:
     SymbolSection(ElfBuilder<ElfTypes>* owner,
                   const std::string& name,
                   Elf_Word type,
                   Elf_Word flags,
                   Section* strtab)
-        : CachedSection(owner,
-                        name,
-                        type,
-                        flags,
-                        strtab,
-                        /* info */ 0,
-                        sizeof(Elf_Off),
-                        sizeof(Elf_Sym)) {
-      // The symbol table always has to start with NULL symbol.
-      Elf_Sym null_symbol = Elf_Sym();
-      CachedSection::Add(&null_symbol, sizeof(null_symbol));
+        : Section(owner,
+                  name,
+                  type,
+                  flags,
+                  strtab,
+                  /* info */ 0,
+                  sizeof(Elf_Off),
+                  sizeof(Elf_Sym)) {
+      syms_.push_back(Elf_Sym());  // The symbol table always has to start with NULL symbol.
     }
 
     // Buffer symbol for this section.  It will be written later.
@@ -362,6 +369,7 @@
       Add(name, section_index, addr, size, binding, type);
     }
 
+    // Buffer symbol for this section.  It will be written later.
     void Add(Elf_Word name,
              Elf_Word section_index,
              Elf_Addr addr,
@@ -375,8 +383,19 @@
       sym.st_other = 0;
       sym.st_shndx = section_index;
       sym.st_info = (binding << 4) + (type & 0xf);
-      CachedSection::Add(&sym, sizeof(sym));
+      syms_.push_back(sym);
     }
+
+    Elf_Word GetCacheSize() { return syms_.size() * sizeof(Elf_Sym); }
+
+    void WriteCachedSection() {
+      this->Start();
+      this->WriteFully(syms_.data(), syms_.size() * sizeof(Elf_Sym));
+      this->End();
+    }
+
+   private:
+    std::vector<Elf_Sym> syms_;  // Buffered/cached content of the whole section.
   };
 
   class AbiflagsSection FINAL : public Section {
diff --git a/compiler/optimizing/builder.cc b/compiler/optimizing/builder.cc
index af537dd..a1a5692 100644
--- a/compiler/optimizing/builder.cc
+++ b/compiler/optimizing/builder.cc
@@ -43,7 +43,7 @@
                              CompilerDriver* driver,
                              CodeGenerator* code_generator,
                              OptimizingCompilerStats* compiler_stats,
-                             const uint8_t* interpreter_metadata,
+                             ArrayRef<const uint8_t> interpreter_metadata,
                              VariableSizedHandleScope* handles)
     : graph_(graph),
       dex_file_(&graph->GetDexFile()),
@@ -70,7 +70,6 @@
       compiler_driver_(nullptr),
       code_generator_(nullptr),
       compilation_stats_(nullptr),
-      interpreter_metadata_(nullptr),
       handles_(handles),
       return_type_(return_type) {}
 
diff --git a/compiler/optimizing/builder.h b/compiler/optimizing/builder.h
index c16a3a9..5a1914c 100644
--- a/compiler/optimizing/builder.h
+++ b/compiler/optimizing/builder.h
@@ -18,6 +18,7 @@
 #define ART_COMPILER_OPTIMIZING_BUILDER_H_
 
 #include "base/arena_object.h"
+#include "base/array_ref.h"
 #include "dex/code_item_accessors.h"
 #include "dex/dex_file-inl.h"
 #include "dex/dex_file.h"
@@ -40,7 +41,7 @@
                 CompilerDriver* driver,
                 CodeGenerator* code_generator,
                 OptimizingCompilerStats* compiler_stats,
-                const uint8_t* interpreter_metadata,
+                ArrayRef<const uint8_t> interpreter_metadata,
                 VariableSizedHandleScope* handles);
 
   // Only for unit testing.
@@ -73,7 +74,7 @@
   CodeGenerator* const code_generator_;
 
   OptimizingCompilerStats* const compilation_stats_;
-  const uint8_t* const interpreter_metadata_;
+  const ArrayRef<const uint8_t> interpreter_metadata_;
   VariableSizedHandleScope* const handles_;
   const DataType::Type return_type_;
 
diff --git a/compiler/optimizing/codegen_test.cc b/compiler/optimizing/codegen_test.cc
index 6eda289..ba4040a 100644
--- a/compiler/optimizing/codegen_test.cc
+++ b/compiler/optimizing/codegen_test.cc
@@ -74,8 +74,8 @@
 
 class CodegenTest : public OptimizingUnitTest {
  protected:
-  void TestCode(const uint16_t* data, bool has_result = false, int32_t expected = 0);
-  void TestCodeLong(const uint16_t* data, bool has_result, int64_t expected);
+  void TestCode(const std::vector<uint16_t>& data, bool has_result = false, int32_t expected = 0);
+  void TestCodeLong(const std::vector<uint16_t>& data, bool has_result, int64_t expected);
   void TestComparison(IfCondition condition,
                       int64_t i,
                       int64_t j,
@@ -83,7 +83,7 @@
                       const CodegenTargetConfig target_config);
 };
 
-void CodegenTest::TestCode(const uint16_t* data, bool has_result, int32_t expected) {
+void CodegenTest::TestCode(const std::vector<uint16_t>& data, bool has_result, int32_t expected) {
   for (const CodegenTargetConfig& target_config : GetTargetConfigs()) {
     ResetPoolAndAllocator();
     HGraph* graph = CreateCFG(data);
@@ -93,7 +93,8 @@
   }
 }
 
-void CodegenTest::TestCodeLong(const uint16_t* data, bool has_result, int64_t expected) {
+void CodegenTest::TestCodeLong(const std::vector<uint16_t>& data,
+                               bool has_result, int64_t expected) {
   for (const CodegenTargetConfig& target_config : GetTargetConfigs()) {
     ResetPoolAndAllocator();
     HGraph* graph = CreateCFG(data, DataType::Type::kInt64);
@@ -104,12 +105,12 @@
 }
 
 TEST_F(CodegenTest, ReturnVoid) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(Instruction::RETURN_VOID);
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(Instruction::RETURN_VOID);
   TestCode(data);
 }
 
 TEST_F(CodegenTest, CFG1) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO | 0x100,
     Instruction::RETURN_VOID);
 
@@ -117,7 +118,7 @@
 }
 
 TEST_F(CodegenTest, CFG2) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO | 0x100,
     Instruction::GOTO | 0x100,
     Instruction::RETURN_VOID);
@@ -126,21 +127,21 @@
 }
 
 TEST_F(CodegenTest, CFG3) {
-  const uint16_t data1[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data1 = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO | 0x200,
     Instruction::RETURN_VOID,
     Instruction::GOTO | 0xFF00);
 
   TestCode(data1);
 
-  const uint16_t data2[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data2 = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO_16, 3,
     Instruction::RETURN_VOID,
     Instruction::GOTO_16, 0xFFFF);
 
   TestCode(data2);
 
-  const uint16_t data3[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data3 = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO_32, 4, 0,
     Instruction::RETURN_VOID,
     Instruction::GOTO_32, 0xFFFF, 0xFFFF);
@@ -149,7 +150,7 @@
 }
 
 TEST_F(CodegenTest, CFG4) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
     Instruction::RETURN_VOID,
     Instruction::GOTO | 0x100,
     Instruction::GOTO | 0xFE00);
@@ -158,7 +159,7 @@
 }
 
 TEST_F(CodegenTest, CFG5) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::GOTO | 0x100,
@@ -168,7 +169,7 @@
 }
 
 TEST_F(CodegenTest, IntConstant) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::RETURN_VOID);
 
@@ -176,7 +177,7 @@
 }
 
 TEST_F(CodegenTest, Return1) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::RETURN | 0);
 
@@ -184,7 +185,7 @@
 }
 
 TEST_F(CodegenTest, Return2) {
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::CONST_4 | 0 | 1 << 8,
     Instruction::RETURN | 1 << 8);
@@ -193,7 +194,7 @@
 }
 
 TEST_F(CodegenTest, Return3) {
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::CONST_4 | 1 << 8 | 1 << 12,
     Instruction::RETURN | 1 << 8);
@@ -202,7 +203,7 @@
 }
 
 TEST_F(CodegenTest, ReturnIf1) {
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::CONST_4 | 1 << 8 | 1 << 12,
     Instruction::IF_EQ, 3,
@@ -213,7 +214,7 @@
 }
 
 TEST_F(CodegenTest, ReturnIf2) {
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::CONST_4 | 1 << 8 | 1 << 12,
     Instruction::IF_EQ | 0 << 4 | 1 << 8, 3,
@@ -224,17 +225,17 @@
 }
 
 // Exercise bit-wise (one's complement) not-int instruction.
-#define NOT_INT_TEST(TEST_NAME, INPUT, EXPECTED_OUTPUT) \
-TEST_F(CodegenTest, TEST_NAME) {                        \
-  const int32_t input = INPUT;                          \
-  const uint16_t input_lo = Low16Bits(input);           \
-  const uint16_t input_hi = High16Bits(input);          \
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(      \
-      Instruction::CONST | 0 << 8, input_lo, input_hi,  \
-      Instruction::NOT_INT | 1 << 8 | 0 << 12 ,         \
-      Instruction::RETURN | 1 << 8);                    \
-                                                        \
-  TestCode(data, true, EXPECTED_OUTPUT);                \
+#define NOT_INT_TEST(TEST_NAME, INPUT, EXPECTED_OUTPUT)           \
+TEST_F(CodegenTest, TEST_NAME) {                                  \
+  const int32_t input = INPUT;                                    \
+  const uint16_t input_lo = Low16Bits(input);                     \
+  const uint16_t input_hi = High16Bits(input);                    \
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(     \
+      Instruction::CONST | 0 << 8, input_lo, input_hi,            \
+      Instruction::NOT_INT | 1 << 8 | 0 << 12 ,                   \
+      Instruction::RETURN | 1 << 8);                              \
+                                                                  \
+  TestCode(data, true, EXPECTED_OUTPUT);                          \
 }
 
 NOT_INT_TEST(ReturnNotIntMinus2, -2, 1)
@@ -256,7 +257,7 @@
   const uint16_t word1 = High16Bits(Low32Bits(input));                   \
   const uint16_t word2 = Low16Bits(High32Bits(input));                   \
   const uint16_t word3 = High16Bits(High32Bits(input)); /* MSW. */       \
-  const uint16_t data[] = FOUR_REGISTERS_CODE_ITEM(                      \
+  const std::vector<uint16_t> data = FOUR_REGISTERS_CODE_ITEM(           \
       Instruction::CONST_WIDE | 0 << 8, word0, word1, word2, word3,      \
       Instruction::NOT_LONG | 2 << 8 | 0 << 12,                          \
       Instruction::RETURN_WIDE | 2 << 8);                                \
@@ -306,7 +307,7 @@
   const uint16_t word1 = High16Bits(Low32Bits(input));
   const uint16_t word2 = Low16Bits(High32Bits(input));
   const uint16_t word3 = High16Bits(High32Bits(input));  // MSW.
-  const uint16_t data[] = FIVE_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = FIVE_REGISTERS_CODE_ITEM(
       Instruction::CONST_WIDE | 0 << 8, word0, word1, word2, word3,
       Instruction::CONST_WIDE | 2 << 8, 1, 0, 0, 0,
       Instruction::ADD_LONG | 0, 0 << 8 | 2,             // v0 <- 2^32 + 1
@@ -318,7 +319,7 @@
 }
 
 TEST_F(CodegenTest, ReturnAdd1) {
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 3 << 12 | 0,
     Instruction::CONST_4 | 4 << 12 | 1 << 8,
     Instruction::ADD_INT, 1 << 8 | 0,
@@ -328,7 +329,7 @@
 }
 
 TEST_F(CodegenTest, ReturnAdd2) {
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 3 << 12 | 0,
     Instruction::CONST_4 | 4 << 12 | 1 << 8,
     Instruction::ADD_INT_2ADDR | 1 << 12,
@@ -338,7 +339,7 @@
 }
 
 TEST_F(CodegenTest, ReturnAdd3) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 4 << 12 | 0 << 8,
     Instruction::ADD_INT_LIT8, 3 << 8 | 0,
     Instruction::RETURN);
@@ -347,7 +348,7 @@
 }
 
 TEST_F(CodegenTest, ReturnAdd4) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 4 << 12 | 0 << 8,
     Instruction::ADD_INT_LIT16, 3,
     Instruction::RETURN);
@@ -356,7 +357,7 @@
 }
 
 TEST_F(CodegenTest, ReturnMulInt) {
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 3 << 12 | 0,
     Instruction::CONST_4 | 4 << 12 | 1 << 8,
     Instruction::MUL_INT, 1 << 8 | 0,
@@ -366,7 +367,7 @@
 }
 
 TEST_F(CodegenTest, ReturnMulInt2addr) {
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 3 << 12 | 0,
     Instruction::CONST_4 | 4 << 12 | 1 << 8,
     Instruction::MUL_INT_2ADDR | 1 << 12,
@@ -376,7 +377,7 @@
 }
 
 TEST_F(CodegenTest, ReturnMulLong) {
-  const uint16_t data[] = FOUR_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = FOUR_REGISTERS_CODE_ITEM(
     Instruction::CONST_WIDE | 0 << 8, 3, 0, 0, 0,
     Instruction::CONST_WIDE | 2 << 8, 4, 0, 0, 0,
     Instruction::MUL_LONG, 2 << 8 | 0,
@@ -386,7 +387,7 @@
 }
 
 TEST_F(CodegenTest, ReturnMulLong2addr) {
-  const uint16_t data[] = FOUR_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = FOUR_REGISTERS_CODE_ITEM(
     Instruction::CONST_WIDE | 0 << 8, 3, 0, 0, 0,
     Instruction::CONST_WIDE | 2 << 8, 4, 0, 0, 0,
     Instruction::MUL_LONG_2ADDR | 2 << 12,
@@ -396,7 +397,7 @@
 }
 
 TEST_F(CodegenTest, ReturnMulIntLit8) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 4 << 12 | 0 << 8,
     Instruction::MUL_INT_LIT8, 3 << 8 | 0,
     Instruction::RETURN);
@@ -405,7 +406,7 @@
 }
 
 TEST_F(CodegenTest, ReturnMulIntLit16) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 4 << 12 | 0 << 8,
     Instruction::MUL_INT_LIT16, 3,
     Instruction::RETURN);
@@ -578,7 +579,7 @@
 }
 
 TEST_F(CodegenTest, ReturnDivIntLit8) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 4 << 12 | 0 << 8,
     Instruction::DIV_INT_LIT8, 3 << 8 | 0,
     Instruction::RETURN);
@@ -587,7 +588,7 @@
 }
 
 TEST_F(CodegenTest, ReturnDivInt2Addr) {
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 4 << 12 | 0,
     Instruction::CONST_4 | 2 << 12 | 1 << 8,
     Instruction::DIV_INT_2ADDR | 1 << 12,
diff --git a/compiler/optimizing/constant_folding_test.cc b/compiler/optimizing/constant_folding_test.cc
index e1980e0..d271047 100644
--- a/compiler/optimizing/constant_folding_test.cc
+++ b/compiler/optimizing/constant_folding_test.cc
@@ -36,7 +36,7 @@
  public:
   ConstantFoldingTest() : graph_(nullptr) { }
 
-  void TestCode(const uint16_t* data,
+  void TestCode(const std::vector<uint16_t>& data,
                 const std::string& expected_before,
                 const std::string& expected_after_cf,
                 const std::string& expected_after_dce,
@@ -100,7 +100,7 @@
  *     return v1                2.      return v1
  */
 TEST_F(ConstantFoldingTest, IntConstantFoldingNegation) {
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 << 8 | 1 << 12,
     Instruction::NEG_INT | 1 << 8 | 0 << 12,
     Instruction::RETURN | 1 << 8);
@@ -161,7 +161,7 @@
   const uint16_t word1 = High16Bits(Low32Bits(input));
   const uint16_t word2 = Low16Bits(High32Bits(input));
   const uint16_t word3 = High16Bits(High32Bits(input));  // MSW.
-  const uint16_t data[] = FOUR_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = FOUR_REGISTERS_CODE_ITEM(
     Instruction::CONST_WIDE | 0 << 8, word0, word1, word2, word3,
     Instruction::NEG_LONG | 2 << 8 | 0 << 12,
     Instruction::RETURN_WIDE | 2 << 8);
@@ -219,7 +219,7 @@
  *     return v2                4.      return v2
  */
 TEST_F(ConstantFoldingTest, IntConstantFoldingOnAddition1) {
-  const uint16_t data[] = THREE_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = THREE_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 << 8 | 1 << 12,
     Instruction::CONST_4 | 1 << 8 | 2 << 12,
     Instruction::ADD_INT | 2 << 8, 0 | 1 << 8,
@@ -284,7 +284,7 @@
  *     return v2                8.      return v2
  */
 TEST_F(ConstantFoldingTest, IntConstantFoldingOnAddition2) {
-  const uint16_t data[] = THREE_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = THREE_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 << 8 | 1 << 12,
     Instruction::CONST_4 | 1 << 8 | 2 << 12,
     Instruction::ADD_INT_2ADDR | 0 << 8 | 1 << 12,
@@ -369,7 +369,7 @@
  *     return v2                4.      return v2
  */
 TEST_F(ConstantFoldingTest, IntConstantFoldingOnSubtraction) {
-  const uint16_t data[] = THREE_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = THREE_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 << 8 | 3 << 12,
     Instruction::CONST_4 | 1 << 8 | 2 << 12,
     Instruction::SUB_INT | 2 << 8, 0 | 1 << 8,
@@ -432,7 +432,7 @@
  *     return (v4, v5)          6.      return-wide v4
  */
 TEST_F(ConstantFoldingTest, LongConstantFoldingOnAddition) {
-  const uint16_t data[] = SIX_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = SIX_REGISTERS_CODE_ITEM(
     Instruction::CONST_WIDE_16 | 0 << 8, 1,
     Instruction::CONST_WIDE_16 | 2 << 8, 2,
     Instruction::ADD_LONG | 4 << 8, 0 | 2 << 8,
@@ -496,7 +496,7 @@
  *     return (v4, v5)          6.      return-wide v4
  */
 TEST_F(ConstantFoldingTest, LongConstantFoldingOnSubtraction) {
-  const uint16_t data[] = SIX_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = SIX_REGISTERS_CODE_ITEM(
     Instruction::CONST_WIDE_16 | 0 << 8, 3,
     Instruction::CONST_WIDE_16 | 2 << 8, 2,
     Instruction::SUB_LONG | 4 << 8, 0 | 2 << 8,
@@ -569,7 +569,7 @@
  *     return v2                13.     return v2
  */
 TEST_F(ConstantFoldingTest, IntConstantFoldingAndJumps) {
-  const uint16_t data[] = THREE_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = THREE_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 << 8 | 1 << 12,
     Instruction::CONST_4 | 1 << 8 | 2 << 12,
     Instruction::ADD_INT | 2 << 8, 0 | 1 << 8,
@@ -672,7 +672,7 @@
  *     return-void              7.      return
  */
 TEST_F(ConstantFoldingTest, ConstantCondition) {
-  const uint16_t data[] = THREE_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = THREE_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 1 << 8 | 1 << 12,
     Instruction::CONST_4 | 0 << 8 | 0 << 12,
     Instruction::IF_GEZ | 1 << 8, 3,
diff --git a/compiler/optimizing/dead_code_elimination_test.cc b/compiler/optimizing/dead_code_elimination_test.cc
index 929572e..adb6ce1 100644
--- a/compiler/optimizing/dead_code_elimination_test.cc
+++ b/compiler/optimizing/dead_code_elimination_test.cc
@@ -29,12 +29,12 @@
 
 class DeadCodeEliminationTest : public OptimizingUnitTest {
  protected:
-  void TestCode(const uint16_t* data,
+  void TestCode(const std::vector<uint16_t>& data,
                 const std::string& expected_before,
                 const std::string& expected_after);
 };
 
-void DeadCodeEliminationTest::TestCode(const uint16_t* data,
+void DeadCodeEliminationTest::TestCode(const std::vector<uint16_t>& data,
                                        const std::string& expected_before,
                                        const std::string& expected_after) {
   HGraph* graph = CreateCFG(data);
@@ -73,7 +73,7 @@
  *     return-void              7.      return
  */
 TEST_F(DeadCodeEliminationTest, AdditionAndConditionalJump) {
-  const uint16_t data[] = THREE_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = THREE_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 1 << 8 | 1 << 12,
     Instruction::CONST_4 | 0 << 8 | 0 << 12,
     Instruction::IF_GEZ | 1 << 8, 3,
@@ -135,7 +135,7 @@
  *     return                   13.     return-void
  */
 TEST_F(DeadCodeEliminationTest, AdditionsAndInconditionalJumps) {
-  const uint16_t data[] = THREE_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = THREE_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 << 8 | 0 << 12,
     Instruction::CONST_4 | 1 << 8 | 1 << 12,
     Instruction::ADD_INT | 2 << 8, 0 | 1 << 8,
diff --git a/compiler/optimizing/dominator_test.cc b/compiler/optimizing/dominator_test.cc
index 572466e..1d72ba1 100644
--- a/compiler/optimizing/dominator_test.cc
+++ b/compiler/optimizing/dominator_test.cc
@@ -26,10 +26,12 @@
 
 class OptimizerTest : public OptimizingUnitTest {
  protected:
-  void TestCode(const uint16_t* data, const uint32_t* blocks, size_t blocks_length);
+  void TestCode(const std::vector<uint16_t>& data, const uint32_t* blocks, size_t blocks_length);
 };
 
-void OptimizerTest::TestCode(const uint16_t* data, const uint32_t* blocks, size_t blocks_length) {
+void OptimizerTest::TestCode(const std::vector<uint16_t>& data,
+                             const uint32_t* blocks,
+                             size_t blocks_length) {
   HGraph* graph = CreateCFG(data);
   ASSERT_EQ(graph->GetBlocks().size(), blocks_length);
   for (size_t i = 0, e = blocks_length; i < e; ++i) {
@@ -49,7 +51,7 @@
 }
 
 TEST_F(OptimizerTest, ReturnVoid) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
       Instruction::RETURN_VOID);  // Block number 1
 
   const uint32_t dominators[] = {
@@ -62,7 +64,7 @@
 }
 
 TEST_F(OptimizerTest, CFG1) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO | 0x100,  // Block number 1
     Instruction::RETURN_VOID);  // Block number 2
 
@@ -77,7 +79,7 @@
 }
 
 TEST_F(OptimizerTest, CFG2) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO | 0x100,  // Block number 1
     Instruction::GOTO | 0x100,  // Block number 2
     Instruction::RETURN_VOID);  // Block number 3
@@ -94,7 +96,7 @@
 }
 
 TEST_F(OptimizerTest, CFG3) {
-  const uint16_t data1[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data1 = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO | 0x200,    // Block number 1
     Instruction::RETURN_VOID,     // Block number 2
     Instruction::GOTO | 0xFF00);  // Block number 3
@@ -109,14 +111,14 @@
 
   TestCode(data1, dominators, sizeof(dominators) / sizeof(int));
 
-  const uint16_t data2[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data2 = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO_16, 3,
     Instruction::RETURN_VOID,
     Instruction::GOTO_16, 0xFFFF);
 
   TestCode(data2, dominators, sizeof(dominators) / sizeof(int));
 
-  const uint16_t data3[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data3 = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO_32, 4, 0,
     Instruction::RETURN_VOID,
     Instruction::GOTO_32, 0xFFFF, 0xFFFF);
@@ -125,7 +127,7 @@
 }
 
 TEST_F(OptimizerTest, CFG4) {
-  const uint16_t data1[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data1 = ZERO_REGISTER_CODE_ITEM(
     Instruction::NOP,
     Instruction::GOTO | 0xFF00);
 
@@ -138,14 +140,14 @@
 
   TestCode(data1, dominators, sizeof(dominators) / sizeof(int));
 
-  const uint16_t data2[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data2 = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO_32, 0, 0);
 
   TestCode(data2, dominators, sizeof(dominators) / sizeof(int));
 }
 
 TEST_F(OptimizerTest, CFG5) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
     Instruction::RETURN_VOID,     // Block number 1
     Instruction::GOTO | 0x100,    // Dead block
     Instruction::GOTO | 0xFE00);  // Block number 2
@@ -162,7 +164,7 @@
 }
 
 TEST_F(OptimizerTest, CFG6) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::GOTO | 0x100,
@@ -181,7 +183,7 @@
 }
 
 TEST_F(OptimizerTest, CFG7) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,        // Block number 1
     Instruction::GOTO | 0x100,    // Block number 2
@@ -201,7 +203,7 @@
 }
 
 TEST_F(OptimizerTest, CFG8) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,        // Block number 1
     Instruction::GOTO | 0x200,    // Block number 2
@@ -222,7 +224,7 @@
 }
 
 TEST_F(OptimizerTest, CFG9) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,        // Block number 1
     Instruction::GOTO | 0x200,    // Block number 2
@@ -243,7 +245,7 @@
 }
 
 TEST_F(OptimizerTest, CFG10) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 6,  // Block number 1
     Instruction::IF_EQ, 3,  // Block number 2
diff --git a/compiler/optimizing/find_loops_test.cc b/compiler/optimizing/find_loops_test.cc
index b799fb4..75b8e96 100644
--- a/compiler/optimizing/find_loops_test.cc
+++ b/compiler/optimizing/find_loops_test.cc
@@ -31,7 +31,7 @@
 
 TEST_F(FindLoopsTest, CFG1) {
   // Constant is not used.
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::RETURN_VOID);
 
@@ -42,7 +42,7 @@
 }
 
 TEST_F(FindLoopsTest, CFG2) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::RETURN);
 
@@ -53,7 +53,7 @@
 }
 
 TEST_F(FindLoopsTest, CFG3) {
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 3 << 12 | 0,
     Instruction::CONST_4 | 4 << 12 | 1 << 8,
     Instruction::ADD_INT_2ADDR | 1 << 12,
@@ -67,7 +67,7 @@
 }
 
 TEST_F(FindLoopsTest, CFG4) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -82,7 +82,7 @@
 }
 
 TEST_F(FindLoopsTest, CFG5) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -126,7 +126,7 @@
   // while (a == a) {
   // }
   // return;
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::GOTO | 0xFE00,
@@ -150,7 +150,7 @@
   // while (a == a) {
   // }
   // return a;
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::GOTO | 0x400,
     Instruction::IF_EQ, 4,
@@ -173,7 +173,7 @@
 TEST_F(FindLoopsTest, Loop3) {
   // Make sure we create a preheader of a loop when a header originally has two
   // incoming blocks and one back edge.
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::GOTO | 0x100,
@@ -197,7 +197,7 @@
 
 TEST_F(FindLoopsTest, Loop4) {
   // Test loop with originally two back edges.
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 6,
     Instruction::IF_EQ, 3,
@@ -221,7 +221,7 @@
 
 TEST_F(FindLoopsTest, Loop5) {
   // Test loop with two exit edges.
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 6,
     Instruction::IF_EQ, 3,
@@ -244,7 +244,7 @@
 }
 
 TEST_F(FindLoopsTest, InnerLoop) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 6,
     Instruction::IF_EQ, 3,
@@ -273,7 +273,7 @@
 }
 
 TEST_F(FindLoopsTest, TwoLoops) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::GOTO | 0xFE00,  // first loop
@@ -301,7 +301,7 @@
 }
 
 TEST_F(FindLoopsTest, NonNaturalLoop) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::GOTO | 0x0100,
@@ -317,7 +317,7 @@
 }
 
 TEST_F(FindLoopsTest, DoWhileLoop) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::GOTO | 0x0100,
     Instruction::IF_EQ, 0xFFFF,
diff --git a/compiler/optimizing/graph_checker_test.cc b/compiler/optimizing/graph_checker_test.cc
index 9ca3e49..08bfa5d 100644
--- a/compiler/optimizing/graph_checker_test.cc
+++ b/compiler/optimizing/graph_checker_test.cc
@@ -22,7 +22,7 @@
 class GraphCheckerTest : public OptimizingUnitTest {
  protected:
   HGraph* CreateSimpleCFG();
-  void TestCode(const uint16_t* data);
+  void TestCode(const std::vector<uint16_t>& data);
 };
 
 /**
@@ -48,7 +48,7 @@
   return graph;
 }
 
-void GraphCheckerTest::TestCode(const uint16_t* data) {
+void GraphCheckerTest::TestCode(const std::vector<uint16_t>& data) {
   HGraph* graph = CreateCFG(data);
   ASSERT_NE(graph, nullptr);
 
@@ -58,14 +58,14 @@
 }
 
 TEST_F(GraphCheckerTest, ReturnVoid) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
       Instruction::RETURN_VOID);
 
   TestCode(data);
 }
 
 TEST_F(GraphCheckerTest, CFG1) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
       Instruction::GOTO | 0x100,
       Instruction::RETURN_VOID);
 
@@ -73,7 +73,7 @@
 }
 
 TEST_F(GraphCheckerTest, CFG2) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::GOTO | 0x100,
@@ -83,7 +83,7 @@
 }
 
 TEST_F(GraphCheckerTest, CFG3) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::GOTO | 0x100,
@@ -128,7 +128,7 @@
 
 TEST_F(GraphCheckerTest, SSAPhi) {
   // This code creates one Phi function during the conversion to SSA form.
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::CONST_4 | 4 << 12 | 0,
diff --git a/compiler/optimizing/inliner.cc b/compiler/optimizing/inliner.cc
index b2ad8ec..81a7558 100644
--- a/compiler/optimizing/inliner.cc
+++ b/compiler/optimizing/inliner.cc
@@ -1660,7 +1660,7 @@
   const DexFile::CodeItem* code_item = resolved_method->GetCodeItem();
   const DexFile& callee_dex_file = *resolved_method->GetDexFile();
   uint32_t method_index = resolved_method->GetDexMethodIndex();
-  CodeItemDebugInfoAccessor code_item_accessor(callee_dex_file, code_item);
+  CodeItemDebugInfoAccessor code_item_accessor(resolved_method);
   ClassLinker* class_linker = caller_compilation_unit_.GetClassLinker();
   Handle<mirror::DexCache> dex_cache = NewHandleIfDifferent(resolved_method->GetDexCache(),
                                                             caller_compilation_unit_.GetDexCache(),
diff --git a/compiler/optimizing/instruction_builder.cc b/compiler/optimizing/instruction_builder.cc
index 72a93c1..64a1ecc 100644
--- a/compiler/optimizing/instruction_builder.cc
+++ b/compiler/optimizing/instruction_builder.cc
@@ -49,7 +49,7 @@
                                          const DexCompilationUnit* outer_compilation_unit,
                                          CompilerDriver* compiler_driver,
                                          CodeGenerator* code_generator,
-                                         const uint8_t* interpreter_metadata,
+                                         ArrayRef<const uint8_t> interpreter_metadata,
                                          OptimizingCompilerStats* compiler_stats,
                                          VariableSizedHandleScope* handles,
                                          ScopedArenaAllocator* local_allocator)
diff --git a/compiler/optimizing/instruction_builder.h b/compiler/optimizing/instruction_builder.h
index 708a097..4428c53 100644
--- a/compiler/optimizing/instruction_builder.h
+++ b/compiler/optimizing/instruction_builder.h
@@ -17,6 +17,7 @@
 #ifndef ART_COMPILER_OPTIMIZING_INSTRUCTION_BUILDER_H_
 #define ART_COMPILER_OPTIMIZING_INSTRUCTION_BUILDER_H_
 
+#include "base/array_ref.h"
 #include "base/scoped_arena_allocator.h"
 #include "base/scoped_arena_containers.h"
 #include "data_type.h"
@@ -57,7 +58,7 @@
                       const DexCompilationUnit* outer_compilation_unit,
                       CompilerDriver* compiler_driver,
                       CodeGenerator* code_generator,
-                      const uint8_t* interpreter_metadata,
+                      ArrayRef<const uint8_t> interpreter_metadata,
                       OptimizingCompilerStats* compiler_stats,
                       VariableSizedHandleScope* handles,
                       ScopedArenaAllocator* local_allocator);
diff --git a/compiler/optimizing/linearize_test.cc b/compiler/optimizing/linearize_test.cc
index 43b63a7..9fa5b74 100644
--- a/compiler/optimizing/linearize_test.cc
+++ b/compiler/optimizing/linearize_test.cc
@@ -35,11 +35,12 @@
 class LinearizeTest : public OptimizingUnitTest {
  protected:
   template <size_t number_of_blocks>
-  void TestCode(const uint16_t* data, const uint32_t (&expected_order)[number_of_blocks]);
+  void TestCode(const std::vector<uint16_t>& data,
+                const uint32_t (&expected_order)[number_of_blocks]);
 };
 
 template <size_t number_of_blocks>
-void LinearizeTest::TestCode(const uint16_t* data,
+void LinearizeTest::TestCode(const std::vector<uint16_t>& data,
                              const uint32_t (&expected_order)[number_of_blocks]) {
   HGraph* graph = CreateCFG(data);
   std::unique_ptr<const X86InstructionSetFeatures> features_x86(
@@ -68,7 +69,7 @@
   //               + /   \  +
   //           Block4   Block8
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 5,
     Instruction::IF_EQ, 0xFFFE,
@@ -93,7 +94,7 @@
   //               + /   \  +
   //           Block5   Block8
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::RETURN_VOID,
@@ -119,7 +120,7 @@
   //           Block6  + Block9
   //             |     +
   //           Block4 ++
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::RETURN_VOID,
@@ -149,7 +150,7 @@
   //                  + /    \   +
   //                Block5  Block11
   */
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 7,
     Instruction::IF_EQ, 0xFFFE,
@@ -179,7 +180,7 @@
   //                   +/    \   +
   //                Block6  Block11
   */
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::RETURN_VOID,
@@ -205,7 +206,7 @@
   //       Block5 <- Block9 Block6  +
   //         |
   //       Block7
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::GOTO | 0x0100,
     Instruction::IF_EQ, 0x0004,
@@ -233,7 +234,7 @@
   //     |
   //   Block7
   //
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::GOTO | 0x0100,
     Instruction::IF_EQ, 0x0005,
diff --git a/compiler/optimizing/live_ranges_test.cc b/compiler/optimizing/live_ranges_test.cc
index e45d7c8..6666066 100644
--- a/compiler/optimizing/live_ranges_test.cc
+++ b/compiler/optimizing/live_ranges_test.cc
@@ -31,10 +31,10 @@
 
 class LiveRangesTest : public OptimizingUnitTest {
  public:
-  HGraph* BuildGraph(const uint16_t* data);
+  HGraph* BuildGraph(const std::vector<uint16_t>& data);
 };
 
-HGraph* LiveRangesTest::BuildGraph(const uint16_t* data) {
+HGraph* LiveRangesTest::BuildGraph(const std::vector<uint16_t>& data) {
   HGraph* graph = CreateCFG(data);
   // Suspend checks implementation may change in the future, and this test relies
   // on how instructions are ordered.
@@ -57,7 +57,7 @@
    *           |
    *       12: exit
    */
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::RETURN);
 
@@ -102,7 +102,7 @@
    *         |
    *       26: exit
    */
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::GOTO | 0x100,
@@ -151,7 +151,7 @@
    *         |
    *       28: exit
    */
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -225,7 +225,7 @@
    *       30: exit
    */
 
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -304,7 +304,7 @@
    * We want to make sure the phi at 10 has a lifetime hole after the add at 20.
    */
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 6,
     Instruction::ADD_INT, 0, 0,
@@ -378,7 +378,7 @@
    *
    * We want to make sure the constant0 has a lifetime hole after the 16: add.
    */
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::CONST_4 | 4 << 12 | 1 << 8,
     Instruction::IF_EQ, 5,
diff --git a/compiler/optimizing/liveness_test.cc b/compiler/optimizing/liveness_test.cc
index 35bc4ff..6621a03 100644
--- a/compiler/optimizing/liveness_test.cc
+++ b/compiler/optimizing/liveness_test.cc
@@ -31,7 +31,7 @@
 
 class LivenessTest : public OptimizingUnitTest {
  protected:
-  void TestCode(const uint16_t* data, const char* expected);
+  void TestCode(const std::vector<uint16_t>& data, const char* expected);
 };
 
 static void DumpBitVector(BitVector* vector,
@@ -46,7 +46,7 @@
   buffer << ")\n";
 }
 
-void LivenessTest::TestCode(const uint16_t* data, const char* expected) {
+void LivenessTest::TestCode(const std::vector<uint16_t>& data, const char* expected) {
   HGraph* graph = CreateCFG(data);
   // `Inline` conditions into ifs.
   PrepareForRegisterAllocation(graph).Run();
@@ -86,7 +86,7 @@
     "  kill: (0)\n";
 
   // Constant is not used.
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::RETURN_VOID);
 
@@ -108,7 +108,7 @@
     "  live out: (0)\n"
     "  kill: (0)\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::RETURN);
 
@@ -134,7 +134,7 @@
     "  live out: (000)\n"
     "  kill: (000)\n";
 
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 3 << 12 | 0,
     Instruction::CONST_4 | 4 << 12 | 1 << 8,
     Instruction::ADD_INT_2ADDR | 1 << 12,
@@ -181,7 +181,7 @@
     "  live out: (0000)\n"
     "  kill: (0000)\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -228,7 +228,7 @@
     "  live out: (000)\n"
     "  kill: (000)\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -273,7 +273,7 @@
     "  kill: (000)\n";
 
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -318,7 +318,7 @@
     "  live out: (0000)\n"
     "  kill: (0000)\n";
 
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -370,7 +370,7 @@
     "  live out: (000)\n"
     "  kill: (000)\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::GOTO | 0x500,
     Instruction::IF_EQ, 5,
@@ -425,7 +425,7 @@
     "  live out: (0001)\n"
     "  kill: (0001)\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -475,7 +475,7 @@
     "  live out: (0000)\n"
     "  kill: (0000)\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 8,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -530,7 +530,7 @@
     "  live out: (00000)\n"
     "  kill: (00000)\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 8,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -580,7 +580,7 @@
     "  live out: (000)\n"
     "  kill: (000)\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 6,
     Instruction::ADD_INT, 0, 0,
diff --git a/compiler/optimizing/optimizing_cfi_test.cc b/compiler/optimizing/optimizing_cfi_test.cc
index e2b2106..d20b681 100644
--- a/compiler/optimizing/optimizing_cfi_test.cc
+++ b/compiler/optimizing/optimizing_cfi_test.cc
@@ -41,7 +41,7 @@
 // Run the tests only on host.
 #ifndef ART_TARGET_ANDROID
 
-class OptimizingCFITest : public CFITest {
+class OptimizingCFITest : public CFITest, public OptimizingUnitTestHelper {
  public:
   // Enable this flag to generate the expected outputs.
   static constexpr bool kGenerateExpected = false;
@@ -63,7 +63,7 @@
     // Setup simple context.
     std::string error;
     isa_features_ = InstructionSetFeatures::FromVariant(isa, "default", &error);
-    graph_ = CreateGraph(&pool_and_allocator_);
+    graph_ = CreateGraph();
     // Generate simple frame with some spills.
     code_gen_ = CodeGenerator::Create(graph_, isa, *isa_features_, opts_);
     code_gen_->GetAssembler()->cfi().SetEnabled(true);
diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index f4115f7..a3b1f0c 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -772,7 +772,7 @@
     return nullptr;
   }
 
-  CodeItemDebugInfoAccessor code_item_accessor(dex_file, code_item);
+  CodeItemDebugInfoAccessor code_item_accessor(dex_file, code_item, method_idx);
   HGraph* graph = new (allocator) HGraph(
       allocator,
       arena_stack,
@@ -783,7 +783,7 @@
       compiler_driver->GetCompilerOptions().GetDebuggable(),
       osr);
 
-  const uint8_t* interpreter_metadata = nullptr;
+  ArrayRef<const uint8_t> interpreter_metadata;
   // For AOT compilation, we may not get a method, for example if its class is erroneous.
   // JIT should always have a method.
   DCHECK(Runtime::Current()->IsAotCompiler() || method != nullptr);
@@ -940,7 +940,7 @@
                           compiler_driver,
                           codegen.get(),
                           compilation_stats_.get(),
-                          /* interpreter_metadata */ nullptr,
+                          /* interpreter_metadata */ ArrayRef<const uint8_t>(),
                           handles);
     builder.BuildIntrinsicGraph(method);
   }
diff --git a/compiler/optimizing/optimizing_unit_test.h b/compiler/optimizing/optimizing_unit_test.h
index 8c97d57..6dcbadb 100644
--- a/compiler/optimizing/optimizing_unit_test.h
+++ b/compiler/optimizing/optimizing_unit_test.h
@@ -17,12 +17,16 @@
 #ifndef ART_COMPILER_OPTIMIZING_OPTIMIZING_UNIT_TEST_H_
 #define ART_COMPILER_OPTIMIZING_OPTIMIZING_UNIT_TEST_H_
 
+#include <memory>
+#include <vector>
+
 #include "base/scoped_arena_allocator.h"
 #include "builder.h"
 #include "common_compiler_test.h"
 #include "dex/code_item_accessors-inl.h"
 #include "dex/dex_file.h"
 #include "dex/dex_instruction.h"
+#include "dex/standard_dex_file.h"
 #include "driver/dex_compilation_unit.h"
 #include "handle_scope-inl.h"
 #include "mirror/class_loader.h"
@@ -99,18 +103,11 @@
   ScopedArenaAllocator scoped_allocator_;
 };
 
-inline HGraph* CreateGraph(ArenaPoolAndAllocator* pool_and_allocator) {
-  return new (pool_and_allocator->GetAllocator()) HGraph(
-      pool_and_allocator->GetAllocator(),
-      pool_and_allocator->GetArenaStack(),
-      *reinterpret_cast<DexFile*>(pool_and_allocator->GetAllocator()->Alloc(sizeof(DexFile))),
-      /*method_idx*/-1,
-      kRuntimeISA);
-}
-
-class OptimizingUnitTest : public CommonCompilerTest {
- protected:
-  OptimizingUnitTest() : pool_and_allocator_(new ArenaPoolAndAllocator()) { }
+// Have a separate helper so the OptimizingCFITest can inherit it without causing
+// multiple inheritance errors from having two gtest as a parent twice.
+class OptimizingUnitTestHelper {
+ public:
+  OptimizingUnitTestHelper() : pool_and_allocator_(new ArenaPoolAndAllocator()) { }
 
   ArenaAllocator* GetAllocator() { return pool_and_allocator_->GetAllocator(); }
   ArenaStack* GetArenaStack() { return pool_and_allocator_->GetArenaStack(); }
@@ -122,14 +119,42 @@
   }
 
   HGraph* CreateGraph() {
-    return art::CreateGraph(pool_and_allocator_.get());
+    ArenaAllocator* const allocator = pool_and_allocator_->GetAllocator();
+
+    // Reserve a big array of 0s so the dex file constructor can offsets from the header.
+    static constexpr size_t kDexDataSize = 4 * KB;
+    const uint8_t* dex_data = reinterpret_cast<uint8_t*>(allocator->Alloc(kDexDataSize));
+
+    // Create the dex file based on the fake data. Call the constructor so that we can use virtual
+    // functions. Don't use the arena for the StandardDexFile otherwise the dex location leaks.
+    dex_files_.emplace_back(new StandardDexFile(
+        dex_data,
+        sizeof(StandardDexFile::Header),
+        "no_location",
+        /*location_checksum*/ 0,
+        /*oat_dex_file*/ nullptr,
+        /*container*/ nullptr));
+
+    return new (allocator) HGraph(
+        allocator,
+        pool_and_allocator_->GetArenaStack(),
+        *dex_files_.back(),
+        /*method_idx*/-1,
+        kRuntimeISA);
   }
 
   // Create a control-flow graph from Dex instructions.
-  HGraph* CreateCFG(const uint16_t* data, DataType::Type return_type = DataType::Type::kInt32) {
-    const DexFile::CodeItem* code_item = reinterpret_cast<const DexFile::CodeItem*>(data);
+  HGraph* CreateCFG(const std::vector<uint16_t>& data,
+                    DataType::Type return_type = DataType::Type::kInt32) {
     HGraph* graph = CreateGraph();
 
+    // The code item data might not aligned to 4 bytes, copy it to ensure that.
+    const size_t code_item_size = data.size() * sizeof(data.front());
+    void* aligned_data = GetAllocator()->Alloc(code_item_size);
+    memcpy(aligned_data, &data[0], code_item_size);
+    CHECK_ALIGNED(aligned_data, StandardDexFile::CodeItem::kAlignment);
+    const DexFile::CodeItem* code_item = reinterpret_cast<const DexFile::CodeItem*>(aligned_data);
+
     {
       ScopedObjectAccess soa(Thread::Current());
       if (handles_ == nullptr) {
@@ -146,7 +171,7 @@
               /* access_flags */ 0u,
               /* verified_method */ nullptr,
               handles_->NewHandle<mirror::DexCache>(nullptr));
-      CodeItemDebugInfoAccessor accessor(graph->GetDexFile(), code_item);
+      CodeItemDebugInfoAccessor accessor(graph->GetDexFile(), code_item, /*dex_method_idx*/ 0u);
       HGraphBuilder builder(graph, dex_compilation_unit, accessor, handles_.get(), return_type);
       bool graph_built = (builder.BuildGraph() == kAnalysisSuccess);
       return graph_built ? graph : nullptr;
@@ -154,10 +179,13 @@
   }
 
  private:
+  std::vector<std::unique_ptr<const StandardDexFile>> dex_files_;
   std::unique_ptr<ArenaPoolAndAllocator> pool_and_allocator_;
   std::unique_ptr<VariableSizedHandleScope> handles_;
 };
 
+class OptimizingUnitTest : public CommonCompilerTest, public OptimizingUnitTestHelper {};
+
 // Naive string diff data type.
 typedef std::list<std::pair<std::string, std::string>> diff_t;
 
diff --git a/compiler/optimizing/pretty_printer_test.cc b/compiler/optimizing/pretty_printer_test.cc
index 4fc7fe9..6ef386b 100644
--- a/compiler/optimizing/pretty_printer_test.cc
+++ b/compiler/optimizing/pretty_printer_test.cc
@@ -29,10 +29,10 @@
 
 class PrettyPrinterTest : public OptimizingUnitTest {
  protected:
-  void TestCode(const uint16_t* data, const char* expected);
+  void TestCode(const std::vector<uint16_t>& data, const char* expected);
 };
 
-void PrettyPrinterTest::TestCode(const uint16_t* data, const char* expected) {
+void PrettyPrinterTest::TestCode(const std::vector<uint16_t>& data, const char* expected) {
   HGraph* graph = CreateCFG(data);
   StringPrettyPrinter printer(graph);
   printer.VisitInsertionOrder();
@@ -40,7 +40,7 @@
 }
 
 TEST_F(PrettyPrinterTest, ReturnVoid) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
       Instruction::RETURN_VOID);
 
   const char* expected =
@@ -67,7 +67,7 @@
       "BasicBlock 3, pred: 2\n"
       "  4: Exit\n";
 
-  const uint16_t data[] =
+  const std::vector<uint16_t> data =
     ZERO_REGISTER_CODE_ITEM(
       Instruction::GOTO | 0x100,
       Instruction::RETURN_VOID);
@@ -89,7 +89,7 @@
       "BasicBlock 4, pred: 3\n"
       "  5: Exit\n";
 
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO | 0x100,
     Instruction::GOTO | 0x100,
     Instruction::RETURN_VOID);
@@ -111,21 +111,21 @@
       "BasicBlock 4, pred: 2\n"
       "  5: Exit\n";
 
-  const uint16_t data1[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data1 = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO | 0x200,
     Instruction::RETURN_VOID,
     Instruction::GOTO | 0xFF00);
 
   TestCode(data1, expected);
 
-  const uint16_t data2[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data2 = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO_16, 3,
     Instruction::RETURN_VOID,
     Instruction::GOTO_16, 0xFFFF);
 
   TestCode(data2, expected);
 
-  const uint16_t data3[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data3 = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO_32, 4, 0,
     Instruction::RETURN_VOID,
     Instruction::GOTO_32, 0xFFFF, 0xFFFF);
@@ -144,13 +144,13 @@
       "BasicBlock 3, pred: 0, succ: 1\n"
       "  0: Goto 1\n";
 
-  const uint16_t data1[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data1 = ZERO_REGISTER_CODE_ITEM(
     Instruction::NOP,
     Instruction::GOTO | 0xFF00);
 
   TestCode(data1, expected);
 
-  const uint16_t data2[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data2 = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO_32, 0, 0);
 
   TestCode(data2, expected);
@@ -166,7 +166,7 @@
       "BasicBlock 3, pred: 1\n"
       "  3: Exit\n";
 
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
     Instruction::RETURN_VOID,
     Instruction::GOTO | 0x100,
     Instruction::GOTO | 0xFE00);
@@ -192,7 +192,7 @@
       "BasicBlock 5, pred: 1, succ: 3\n"
       "  0: Goto 3\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::GOTO | 0x100,
@@ -220,7 +220,7 @@
       "BasicBlock 6, pred: 1, succ: 2\n"
       "  1: Goto 2\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::GOTO | 0x100,
@@ -240,7 +240,7 @@
       "BasicBlock 2, pred: 1\n"
       "  4: Exit\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::RETURN_VOID);
 
diff --git a/compiler/optimizing/register_allocator_test.cc b/compiler/optimizing/register_allocator_test.cc
index 3748d59..a70b066 100644
--- a/compiler/optimizing/register_allocator_test.cc
+++ b/compiler/optimizing/register_allocator_test.cc
@@ -46,7 +46,7 @@
   void ExpectedInRegisterHint(Strategy strategy);
 
   // Helper functions that make use of the OptimizingUnitTest's members.
-  bool Check(const uint16_t* data, Strategy strategy);
+  bool Check(const std::vector<uint16_t>& data, Strategy strategy);
   void CFG1(Strategy strategy);
   void Loop1(Strategy strategy);
   void Loop2(Strategy strategy);
@@ -79,7 +79,7 @@
   test_name(Strategy::kRegisterAllocatorGraphColor);\
 }
 
-bool RegisterAllocatorTest::Check(const uint16_t* data, Strategy strategy) {
+bool RegisterAllocatorTest::Check(const std::vector<uint16_t>& data, Strategy strategy) {
   HGraph* graph = CreateCFG(data);
   std::unique_ptr<const X86InstructionSetFeatures> features_x86(
       X86InstructionSetFeatures::FromCppDefines());
@@ -185,7 +185,7 @@
    *        |
    *       exit
    */
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::RETURN);
 
@@ -222,7 +222,7 @@
    *       exit
    */
 
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -268,7 +268,7 @@
    *       exit
    */
 
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::CONST_4 | 8 << 12 | 1 << 8,
     Instruction::IF_EQ | 1 << 8, 7,
@@ -314,7 +314,7 @@
    *       exit
    */
 
-  const uint16_t data[] = THREE_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = THREE_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::ADD_INT_LIT8 | 1 << 8, 1 << 8,
     Instruction::CONST_4 | 5 << 12 | 2 << 8,
@@ -351,7 +351,7 @@
 TEST_ALL_STRATEGIES(Loop3);
 
 TEST_F(RegisterAllocatorTest, FirstRegisterUse) {
-  const uint16_t data[] = THREE_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = THREE_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::XOR_INT_LIT8 | 1 << 8, 1 << 8,
     Instruction::XOR_INT_LIT8 | 0 << 8, 1 << 8,
@@ -402,7 +402,7 @@
    *  } while (true);
    */
 
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::CONST_4 | 1 << 8 | 0,
     Instruction::IF_NE | 1 << 8 | 1 << 12, 3,
@@ -432,7 +432,7 @@
  * This test only applies to the linear scan allocator.
  */
 TEST_F(RegisterAllocatorTest, FreeUntil) {
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::RETURN);
 
diff --git a/compiler/optimizing/scheduler_test.cc b/compiler/optimizing/scheduler_test.cc
index 104ebc7..fb15fc8 100644
--- a/compiler/optimizing/scheduler_test.cc
+++ b/compiler/optimizing/scheduler_test.cc
@@ -182,7 +182,9 @@
     scheduler->Schedule(graph_);
   }
 
-  void CompileWithRandomSchedulerAndRun(const uint16_t* data, bool has_result, int expected) {
+  void CompileWithRandomSchedulerAndRun(const std::vector<uint16_t>& data,
+                                        bool has_result,
+                                        int expected) {
     for (CodegenTargetConfig target_config : GetTargetConfigs()) {
       HGraph* graph = CreateCFG(data);
 
@@ -393,7 +395,7 @@
   //  }
   //  return result;
   //
-  const uint16_t data[] = SIX_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = SIX_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 << 12 | 2 << 8,          // const/4 v2, #int 0
     Instruction::CONST_HIGH16 | 0 << 8, 0x4120,       // const/high16 v0, #float 10.0 // #41200000
     Instruction::CONST_4 | 1 << 12 | 1 << 8,          // const/4 v1, #int 1
diff --git a/compiler/optimizing/ssa_test.cc b/compiler/optimizing/ssa_test.cc
index 77e70d7..85ed06e 100644
--- a/compiler/optimizing/ssa_test.cc
+++ b/compiler/optimizing/ssa_test.cc
@@ -31,7 +31,7 @@
 
 class SsaTest : public OptimizingUnitTest {
  protected:
-  void TestCode(const uint16_t* data, const char* expected);
+  void TestCode(const std::vector<uint16_t>& data, const char* expected);
 };
 
 class SsaPrettyPrinter : public HPrettyPrinter {
@@ -80,7 +80,7 @@
   }
 }
 
-void SsaTest::TestCode(const uint16_t* data, const char* expected) {
+void SsaTest::TestCode(const std::vector<uint16_t>& data, const char* expected) {
   HGraph* graph = CreateCFG(data);
   // Suspend checks implementation may change in the future, and this test relies
   // on how instructions are ordered.
@@ -119,7 +119,7 @@
     "BasicBlock 5, pred: 1, succ: 3\n"
     "  7: Goto\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::GOTO | 0x100,
@@ -150,7 +150,7 @@
     "BasicBlock 5, pred: 1, succ: 3\n"
     "  9: Goto\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -181,7 +181,7 @@
     "BasicBlock 5, pred: 4\n"
     "  10: Exit\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -214,7 +214,7 @@
     "BasicBlock 6, pred: 5\n"
     "  10: Exit\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -245,7 +245,7 @@
     "BasicBlock 5, pred: 4\n"
     "  9: Exit\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -276,7 +276,7 @@
     "BasicBlock 5, pred: 4\n"
     "  10: Exit\n";
 
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -310,7 +310,7 @@
     "BasicBlock 6, pred: 5\n"
     "  10: Exit\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::GOTO | 0x500,
     Instruction::IF_EQ, 5,
@@ -351,7 +351,7 @@
     "  13: Phi(2, 1) [11, 8, 8]\n"
     "  14: Goto\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 4,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -390,7 +390,7 @@
     "BasicBlock 7, pred: 6\n"
     "  13: Exit\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 8,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -432,7 +432,7 @@
     "BasicBlock 8, pred: 2, succ: 6\n"
     "  15: Goto\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 8,
     Instruction::CONST_4 | 4 << 12 | 0,
@@ -456,7 +456,7 @@
     "BasicBlock 2, pred: 1\n"
     "  3: Exit\n";
 
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::RETURN_VOID);
 
@@ -484,7 +484,7 @@
     "BasicBlock 5, pred: 1, succ: 3\n"
     "  8: Goto\n";
 
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 3,
     Instruction::CONST_4 | 4 << 12 | 1 << 8,
@@ -520,7 +520,7 @@
     "BasicBlock 7, pred: 3, succ: 5\n"
     "  12: Goto\n";
 
-  const uint16_t data[] = TWO_REGISTERS_CODE_ITEM(
+  const std::vector<uint16_t> data = TWO_REGISTERS_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 5,
     Instruction::ADD_INT_LIT8 | 1 << 8, 0 << 8,
diff --git a/compiler/optimizing/suspend_check_test.cc b/compiler/optimizing/suspend_check_test.cc
index 7e83f8c..33823e2 100644
--- a/compiler/optimizing/suspend_check_test.cc
+++ b/compiler/optimizing/suspend_check_test.cc
@@ -30,10 +30,10 @@
 
 class SuspendCheckTest : public OptimizingUnitTest {
  protected:
-  void TestCode(const uint16_t* data);
+  void TestCode(const std::vector<uint16_t>& data);
 };
 
-void SuspendCheckTest::TestCode(const uint16_t* data) {
+void SuspendCheckTest::TestCode(const std::vector<uint16_t>& data) {
   HGraph* graph = CreateCFG(data);
   HBasicBlock* first_block = graph->GetEntryBlock()->GetSingleSuccessor();
   HBasicBlock* loop_header = first_block->GetSingleSuccessor();
@@ -43,7 +43,7 @@
 }
 
 TEST_F(SuspendCheckTest, CFG1) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
     Instruction::NOP,
     Instruction::GOTO | 0xFF00);
 
@@ -51,14 +51,14 @@
 }
 
 TEST_F(SuspendCheckTest, CFG2) {
-  const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
     Instruction::GOTO_32, 0, 0);
 
   TestCode(data);
 }
 
 TEST_F(SuspendCheckTest, CFG3) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQ, 0xFFFF,
     Instruction::RETURN_VOID);
@@ -67,7 +67,7 @@
 }
 
 TEST_F(SuspendCheckTest, CFG4) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_NE, 0xFFFF,
     Instruction::RETURN_VOID);
@@ -76,7 +76,7 @@
 }
 
 TEST_F(SuspendCheckTest, CFG5) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_EQZ, 0xFFFF,
     Instruction::RETURN_VOID);
@@ -85,7 +85,7 @@
 }
 
 TEST_F(SuspendCheckTest, CFG6) {
-  const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
+  const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
     Instruction::CONST_4 | 0 | 0,
     Instruction::IF_NEZ, 0xFFFF,
     Instruction::RETURN_VOID);
diff --git a/dex2oat/dex2oat.cc b/dex2oat/dex2oat.cc
index 23af2ab..7796b3a 100644
--- a/dex2oat/dex2oat.cc
+++ b/dex2oat/dex2oat.cc
@@ -1807,9 +1807,7 @@
       // We do not decompile a RETURN_VOID_NO_BARRIER into a RETURN_VOID, as the quickening
       // optimization does not depend on the boot image (the optimization relies on not
       // having final fields in a class, which does not change for an app).
-      VdexFile::Unquicken(dex_files_,
-                          input_vdex_file_->GetQuickeningInfo(),
-                          /* decompile_return_instruction */ false);
+      input_vdex_file_->Unquicken(dex_files_, /* decompile_return_instruction */ false);
     } else {
       // Create the main VerifierDeps, here instead of in the compiler since we want to aggregate
       // the results for all the dex files, not just the results for the current dex file.
@@ -2043,7 +2041,8 @@
 
         // We need to mirror the layout of the ELF file in the compressed debug-info.
         // Therefore PrepareDebugInfo() relies on the SetLoadedSectionSizes() call further above.
-        elf_writer->PrepareDebugInfo(oat_writer->GetMethodDebugInfo());
+        debug::DebugInfo debug_info = oat_writer->GetDebugInfo();  // Keep the variable alive.
+        elf_writer->PrepareDebugInfo(debug_info);  // Processes the data on background thread.
 
         linker::OutputStream*& rodata = rodata_[i];
         DCHECK(rodata != nullptr);
@@ -2077,7 +2076,7 @@
         }
 
         elf_writer->WriteDynamicSection();
-        elf_writer->WriteDebugInfo(oat_writer->GetMethodDebugInfo());
+        elf_writer->WriteDebugInfo(oat_writer->GetDebugInfo());
 
         if (!elf_writer->End()) {
           LOG(ERROR) << "Failed to write ELF file " << oat_file->GetPath();
diff --git a/dex2oat/linker/elf_writer.h b/dex2oat/linker/elf_writer.h
index a49112b..7c47740 100644
--- a/dex2oat/linker/elf_writer.h
+++ b/dex2oat/linker/elf_writer.h
@@ -25,6 +25,7 @@
 #include "base/array_ref.h"
 #include "base/macros.h"
 #include "base/mutex.h"
+#include "debug/debug_info.h"
 #include "os.h"
 
 namespace art {
@@ -66,13 +67,13 @@
                                      size_t bss_methods_offset,
                                      size_t bss_roots_offset,
                                      size_t dex_section_size) = 0;
-  virtual void PrepareDebugInfo(const ArrayRef<const debug::MethodDebugInfo>& method_infos) = 0;
+  virtual void PrepareDebugInfo(const debug::DebugInfo& debug_info) = 0;
   virtual OutputStream* StartRoData() = 0;
   virtual void EndRoData(OutputStream* rodata) = 0;
   virtual OutputStream* StartText() = 0;
   virtual void EndText(OutputStream* text) = 0;
   virtual void WriteDynamicSection() = 0;
-  virtual void WriteDebugInfo(const ArrayRef<const debug::MethodDebugInfo>& method_infos) = 0;
+  virtual void WriteDebugInfo(const debug::DebugInfo& debug_info) = 0;
   virtual bool End() = 0;
 
   // Get the ELF writer's stream. This stream can be used for writing data directly
diff --git a/dex2oat/linker/elf_writer_quick.cc b/dex2oat/linker/elf_writer_quick.cc
index af11d58..707e877 100644
--- a/dex2oat/linker/elf_writer_quick.cc
+++ b/dex2oat/linker/elf_writer_quick.cc
@@ -54,22 +54,28 @@
  public:
   DebugInfoTask(InstructionSet isa,
                 const InstructionSetFeatures* features,
-                size_t rodata_section_size,
+                uint64_t text_section_address,
                 size_t text_section_size,
-                const ArrayRef<const debug::MethodDebugInfo>& method_infos)
+                uint64_t dex_section_address,
+                size_t dex_section_size,
+                const debug::DebugInfo& debug_info)
       : isa_(isa),
         instruction_set_features_(features),
-        rodata_section_size_(rodata_section_size),
+        text_section_address_(text_section_address),
         text_section_size_(text_section_size),
-        method_infos_(method_infos) {
+        dex_section_address_(dex_section_address),
+        dex_section_size_(dex_section_size),
+        debug_info_(debug_info) {
   }
 
   void Run(Thread*) {
     result_ = debug::MakeMiniDebugInfo(isa_,
                                        instruction_set_features_,
-                                       kPageSize + rodata_section_size_,  // .text address.
+                                       text_section_address_,
                                        text_section_size_,
-                                       method_infos_);
+                                       dex_section_address_,
+                                       dex_section_size_,
+                                       debug_info_);
   }
 
   std::vector<uint8_t>* GetResult() {
@@ -79,9 +85,11 @@
  private:
   InstructionSet isa_;
   const InstructionSetFeatures* instruction_set_features_;
-  size_t rodata_section_size_;
+  uint64_t text_section_address_;
   size_t text_section_size_;
-  const ArrayRef<const debug::MethodDebugInfo> method_infos_;
+  uint64_t dex_section_address_;
+  size_t dex_section_size_;
+  const debug::DebugInfo& debug_info_;
   std::vector<uint8_t> result_;
 };
 
@@ -101,13 +109,13 @@
                              size_t bss_methods_offset,
                              size_t bss_roots_offset,
                              size_t dex_section_size) OVERRIDE;
-  void PrepareDebugInfo(const ArrayRef<const debug::MethodDebugInfo>& method_infos) OVERRIDE;
+  void PrepareDebugInfo(const debug::DebugInfo& debug_info) OVERRIDE;
   OutputStream* StartRoData() OVERRIDE;
   void EndRoData(OutputStream* rodata) OVERRIDE;
   OutputStream* StartText() OVERRIDE;
   void EndText(OutputStream* text) OVERRIDE;
   void WriteDynamicSection() OVERRIDE;
-  void WriteDebugInfo(const ArrayRef<const debug::MethodDebugInfo>& method_infos) OVERRIDE;
+  void WriteDebugInfo(const debug::DebugInfo& debug_info) OVERRIDE;
   bool End() OVERRIDE;
 
   virtual OutputStream* GetStream() OVERRIDE;
@@ -124,6 +132,7 @@
   size_t rodata_size_;
   size_t text_size_;
   size_t bss_size_;
+  size_t dex_section_size_;
   std::unique_ptr<BufferedOutputStream> output_stream_;
   std::unique_ptr<ElfBuilder<ElfTypes>> builder_;
   std::unique_ptr<DebugInfoTask> debug_info_task_;
@@ -163,6 +172,7 @@
       rodata_size_(0u),
       text_size_(0u),
       bss_size_(0u),
+      dex_section_size_(0u),
       output_stream_(
           std::make_unique<BufferedOutputStream>(std::make_unique<FileOutputStream>(elf_file))),
       builder_(new ElfBuilder<ElfTypes>(instruction_set, features, output_stream_.get())) {}
@@ -192,6 +202,8 @@
   text_size_ = text_size;
   DCHECK_EQ(bss_size_, 0u);
   bss_size_ = bss_size;
+  DCHECK_EQ(dex_section_size_, 0u);
+  dex_section_size_ = dex_section_size;
   builder_->PrepareDynamicSection(elf_file_->GetPath(),
                                   rodata_size_,
                                   text_size_,
@@ -237,17 +249,18 @@
 }
 
 template <typename ElfTypes>
-void ElfWriterQuick<ElfTypes>::PrepareDebugInfo(
-    const ArrayRef<const debug::MethodDebugInfo>& method_infos) {
-  if (!method_infos.empty() && compiler_options_->GetGenerateMiniDebugInfo()) {
+void ElfWriterQuick<ElfTypes>::PrepareDebugInfo(const debug::DebugInfo& debug_info) {
+  if (!debug_info.Empty() && compiler_options_->GetGenerateMiniDebugInfo()) {
     // Prepare the mini-debug-info in background while we do other I/O.
     Thread* self = Thread::Current();
     debug_info_task_ = std::unique_ptr<DebugInfoTask>(
         new DebugInfoTask(builder_->GetIsa(),
                           instruction_set_features_,
-                          rodata_size_,
+                          builder_->GetText()->GetAddress(),
                           text_size_,
-                          method_infos));
+                          builder_->GetDex()->Exists() ? builder_->GetDex()->GetAddress() : 0,
+                          dex_section_size_,
+                          debug_info));
     debug_info_thread_pool_ = std::unique_ptr<ThreadPool>(
         new ThreadPool("Mini-debug-info writer", 1));
     debug_info_thread_pool_->AddTask(self, debug_info_task_.get());
@@ -256,12 +269,11 @@
 }
 
 template <typename ElfTypes>
-void ElfWriterQuick<ElfTypes>::WriteDebugInfo(
-    const ArrayRef<const debug::MethodDebugInfo>& method_infos) {
-  if (!method_infos.empty()) {
+void ElfWriterQuick<ElfTypes>::WriteDebugInfo(const debug::DebugInfo& debug_info) {
+  if (!debug_info.Empty()) {
     if (compiler_options_->GetGenerateDebugInfo()) {
       // Generate all the debug information we can.
-      debug::WriteDebugInfo(builder_.get(), method_infos, kCFIFormat, true /* write_oat_patches */);
+      debug::WriteDebugInfo(builder_.get(), debug_info, kCFIFormat, true /* write_oat_patches */);
     }
     if (compiler_options_->GetGenerateMiniDebugInfo()) {
       // Wait for the mini-debug-info generation to finish and write it to disk.
diff --git a/dex2oat/linker/image_test.h b/dex2oat/linker/image_test.h
index 0671118..637578e 100644
--- a/dex2oat/linker/image_test.h
+++ b/dex2oat/linker/image_test.h
@@ -339,7 +339,7 @@
         writer->UpdateOatFileHeader(i, oat_writer->GetOatHeader());
 
         elf_writer->WriteDynamicSection();
-        elf_writer->WriteDebugInfo(oat_writer->GetMethodDebugInfo());
+        elf_writer->WriteDebugInfo(oat_writer->GetDebugInfo());
 
         bool success = elf_writer->End();
         ASSERT_TRUE(success);
diff --git a/dex2oat/linker/oat_writer.cc b/dex2oat/linker/oat_writer.cc
index cecd376..31b6ac3 100644
--- a/dex2oat/linker/oat_writer.cc
+++ b/dex2oat/linker/oat_writer.cc
@@ -58,6 +58,7 @@
 #include "mirror/object-inl.h"
 #include "oat_quick_method_header.h"
 #include "os.h"
+#include "quicken_info.h"
 #include "safe_map.h"
 #include "scoped_thread_state_change-inl.h"
 #include "type_lookup_table.h"
@@ -2618,42 +2619,54 @@
   return true;
 }
 
-class OatWriter::WriteQuickeningInfoMethodVisitor : public DexMethodVisitor {
+class OatWriter::WriteQuickeningInfoMethodVisitor {
  public:
-  WriteQuickeningInfoMethodVisitor(OatWriter* writer,
-                                   OutputStream* out,
-                                   uint32_t offset,
-                                   SafeMap<const uint8_t*, uint32_t>* offset_map)
-      : DexMethodVisitor(writer, offset),
-        out_(out),
-        written_bytes_(0u),
-        offset_map_(offset_map) {}
+  WriteQuickeningInfoMethodVisitor(OatWriter* writer, OutputStream* out)
+      : writer_(writer),
+        out_(out) {}
 
-  bool VisitMethod(size_t class_def_method_index ATTRIBUTE_UNUSED, const ClassDataItemIterator& it)
-      OVERRIDE {
-    uint32_t method_idx = it.GetMemberIndex();
-    CompiledMethod* compiled_method =
-        writer_->compiler_driver_->GetCompiledMethod(MethodReference(dex_file_, method_idx));
+  bool VisitDexMethods(const std::vector<const DexFile*>& dex_files) {
+    std::vector<uint8_t> empty_quicken_info;
+    {
+      // Since we need to be able to access by dex method index, put a one byte empty quicken info
+      // for any method that isn't quickened.
+      QuickenInfoTable::Builder empty_info(&empty_quicken_info, /*num_elements*/ 0u);
+      CHECK(!empty_quicken_info.empty());
+    }
+    for (const DexFile* dex_file : dex_files) {
+      std::vector<uint32_t>* const offsets =
+          &quicken_info_offset_indices_.Put(dex_file, std::vector<uint32_t>())->second;
 
-    if (HasQuickeningInfo(compiled_method)) {
-      ArrayRef<const uint8_t> map = compiled_method->GetVmapTable();
-      // Deduplication is already done on a pointer basis by the compiler driver,
-      // so we can simply compare the pointers to find out if things are duplicated.
-      if (offset_map_->find(map.data()) == offset_map_->end()) {
-        uint32_t length = map.size() * sizeof(map.front());
-        offset_map_->Put(map.data(), written_bytes_);
-        if (!out_->WriteFully(&length, sizeof(length)) ||
-            !out_->WriteFully(map.data(), length)) {
-          PLOG(ERROR) << "Failed to write quickening info for "
-                      << dex_file_->PrettyMethod(it.GetMemberIndex()) << " to "
-                      << out_->GetLocation();
+      // Every method needs an index in the table.
+      for (uint32_t method_idx = 0; method_idx < dex_file->NumMethodIds(); ++method_idx) {
+        ArrayRef<const uint8_t> map(empty_quicken_info);
+
+        // Use the existing quicken info if it exists.
+        MethodReference method_ref(dex_file, method_idx);
+        CompiledMethod* compiled_method = writer_->compiler_driver_->GetCompiledMethod(method_ref);
+        if (compiled_method != nullptr && HasQuickeningInfo(compiled_method)) {
+          map = compiled_method->GetVmapTable();
+        }
+
+        // The current approach prevents deduplication of quicken infos since each method index
+        // has one unique quicken info. Deduplication does not provide much savings for dex indices
+        // since they are rarely duplicated.
+        const uint32_t length = map.size() * sizeof(map.front());
+
+        // Record each index if required. written_bytes_ is the offset from the start of the
+        // quicken info data.
+        if (QuickenInfoOffsetTableAccessor::IsCoveredIndex(method_idx)) {
+          offsets->push_back(written_bytes_);
+        }
+
+        if (!out_->WriteFully(map.data(), length)) {
+          PLOG(ERROR) << "Failed to write quickening info for " << method_ref.PrettyMethod()
+                      << " to " << out_->GetLocation();
           return false;
         }
-        written_bytes_ += sizeof(length) + length;
-        offset_ += sizeof(length) + length;
+        written_bytes_ += length;
       }
     }
-
     return true;
   }
 
@@ -2661,71 +2674,59 @@
     return written_bytes_;
   }
 
+  SafeMap<const DexFile*, std::vector<uint32_t>>& GetQuickenInfoOffsetIndicies() {
+    return quicken_info_offset_indices_;
+  }
+
+
  private:
+  OatWriter* const writer_;
   OutputStream* const out_;
-  size_t written_bytes_;
-  // Maps quickening map to its offset in the file.
-  SafeMap<const uint8_t*, uint32_t>* offset_map_;
+  size_t written_bytes_ = 0u;
+  // Map of offsets for quicken info related to method indices.
+  SafeMap<const DexFile*, std::vector<uint32_t>> quicken_info_offset_indices_;
 };
 
-class OatWriter::WriteQuickeningIndicesMethodVisitor {
+class OatWriter::WriteQuickeningInfoOffsetsMethodVisitor {
  public:
-  WriteQuickeningIndicesMethodVisitor(OutputStream* out,
-                                      uint32_t quickening_info_bytes,
-                                      const SafeMap<const uint8_t*, uint32_t>& offset_map)
+  WriteQuickeningInfoOffsetsMethodVisitor(
+      OutputStream* out,
+      uint32_t start_offset,
+      SafeMap<const DexFile*, std::vector<uint32_t>>* quicken_info_offset_indices,
+      std::vector<uint32_t>* out_table_offsets)
       : out_(out),
-        quickening_info_bytes_(quickening_info_bytes),
-        written_bytes_(0u),
-        offset_map_(offset_map) {}
+        start_offset_(start_offset),
+        quicken_info_offset_indices_(quicken_info_offset_indices),
+        out_table_offsets_(out_table_offsets) {}
 
-  bool VisitDexMethods(const std::vector<const DexFile*>& dex_files, const CompilerDriver& driver) {
+  bool VisitDexMethods(const std::vector<const DexFile*>& dex_files) {
     for (const DexFile* dex_file : dex_files) {
-      const size_t class_def_count = dex_file->NumClassDefs();
-      for (size_t class_def_index = 0; class_def_index != class_def_count; ++class_def_index) {
-        const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index);
-        const uint8_t* class_data = dex_file->GetClassData(class_def);
-        if (class_data == nullptr) {
-          continue;
-        }
-        for (ClassDataItemIterator class_it(*dex_file, class_data);
-             class_it.HasNext();
-             class_it.Next()) {
-          if (!class_it.IsAtMethod() || class_it.GetMethodCodeItem() == nullptr) {
-            continue;
-          }
-          uint32_t method_idx = class_it.GetMemberIndex();
-          CompiledMethod* compiled_method =
-              driver.GetCompiledMethod(MethodReference(dex_file, method_idx));
-          const DexFile::CodeItem* code_item = class_it.GetMethodCodeItem();
-          CodeItemDebugInfoAccessor accessor(*dex_file, code_item);
-          const uint32_t existing_debug_info_offset = accessor.DebugInfoOffset();
-          // If the existing offset is already out of bounds (and not magic marker 0xFFFFFFFF)
-          // we will pretend the method has been quickened.
-          bool existing_offset_out_of_bounds =
-              (existing_debug_info_offset >= dex_file->Size() &&
-               existing_debug_info_offset != 0xFFFFFFFF);
-          bool has_quickening_info = HasQuickeningInfo(compiled_method);
-          if (has_quickening_info || existing_offset_out_of_bounds) {
-            uint32_t new_debug_info_offset =
-                dex_file->Size() + quickening_info_bytes_ + written_bytes_;
-            // Abort if overflow.
-            CHECK_GE(new_debug_info_offset, dex_file->Size());
-            const_cast<DexFile::CodeItem*>(code_item)->SetDebugInfoOffset(new_debug_info_offset);
-            uint32_t quickening_offset = has_quickening_info
-                ? offset_map_.Get(compiled_method->GetVmapTable().data())
-                : VdexFile::kNoQuickeningInfoOffset;
-            if (!out_->WriteFully(&existing_debug_info_offset,
-                                  sizeof(existing_debug_info_offset)) ||
-                !out_->WriteFully(&quickening_offset, sizeof(quickening_offset))) {
-              PLOG(ERROR) << "Failed to write quickening info for "
-                          << dex_file->PrettyMethod(method_idx) << " to "
-                          << out_->GetLocation();
-              return false;
-            }
-            written_bytes_ += sizeof(existing_debug_info_offset) + sizeof(quickening_offset);
-          }
-        }
+      auto it = quicken_info_offset_indices_->find(dex_file);
+      DCHECK(it != quicken_info_offset_indices_->end()) << "Failed to find dex file "
+                                                        << dex_file->GetLocation();
+      const std::vector<uint32_t>* const offsets = &it->second;
+
+      const uint32_t current_offset = start_offset_ + written_bytes_;
+      CHECK_ALIGNED_PARAM(current_offset, QuickenInfoOffsetTableAccessor::Alignment());
+
+      // Generate and write the data.
+      std::vector<uint8_t> table_data;
+      QuickenInfoOffsetTableAccessor::Builder builder(&table_data);
+      for (uint32_t offset : *offsets) {
+        builder.AddOffset(offset);
       }
+
+      // Store the offset since we need to put those after the dex file. Table offsets are relative
+      // to the start of the quicken info section.
+      out_table_offsets_->push_back(current_offset);
+
+      const uint32_t length = table_data.size() * sizeof(table_data.front());
+      if (!out_->WriteFully(table_data.data(), length)) {
+        PLOG(ERROR) << "Failed to write quickening offset table for " << dex_file->GetLocation()
+                    << " to " << out_->GetLocation();
+        return false;
+      }
+      written_bytes_ += length;
     }
     return true;
   }
@@ -2736,14 +2737,16 @@
 
  private:
   OutputStream* const out_;
-  const uint32_t quickening_info_bytes_;
-  size_t written_bytes_;
-  // Maps quickening map to its offset in the file.
-  const SafeMap<const uint8_t*, uint32_t>& offset_map_;
+  const uint32_t start_offset_;
+  size_t written_bytes_ = 0u;
+  // Maps containing the offsets for the tables.
+  SafeMap<const DexFile*, std::vector<uint32_t>>* const quicken_info_offset_indices_;
+  std::vector<uint32_t>* const out_table_offsets_;
 };
 
 bool OatWriter::WriteQuickeningInfo(OutputStream* vdex_out) {
   size_t initial_offset = vdex_size_;
+  // Make sure the table is properly aligned.
   size_t start_offset = RoundUp(initial_offset, 4u);
 
   off_t actual_offset = vdex_out->Seek(start_offset, kSeekSet);
@@ -2754,36 +2757,71 @@
     return false;
   }
 
-  if (compiler_driver_->GetCompilerOptions().IsAnyCompilationEnabled()) {
+  size_t current_offset = start_offset;
+  if (compiler_driver_->GetCompilerOptions().IsQuickeningCompilationEnabled()) {
     std::vector<uint32_t> dex_files_indices;
-    SafeMap<const uint8_t*, uint32_t> offset_map;
-    WriteQuickeningInfoMethodVisitor visitor1(this, vdex_out, start_offset, &offset_map);
-    if (!VisitDexMethods(&visitor1)) {
+    WriteQuickeningInfoMethodVisitor write_quicken_info_visitor(this, vdex_out);
+    if (!write_quicken_info_visitor.VisitDexMethods(*dex_files_)) {
       PLOG(ERROR) << "Failed to write the vdex quickening info. File: " << vdex_out->GetLocation();
       return false;
     }
 
-    if (visitor1.GetNumberOfWrittenBytes() > 0) {
-      WriteQuickeningIndicesMethodVisitor visitor2(vdex_out,
-                                                   visitor1.GetNumberOfWrittenBytes(),
-                                                   offset_map);
-      if (!visitor2.VisitDexMethods(*dex_files_, *compiler_driver_)) {
-        PLOG(ERROR) << "Failed to write the vdex quickening info. File: "
-                    << vdex_out->GetLocation();
+    uint32_t quicken_info_offset = write_quicken_info_visitor.GetNumberOfWrittenBytes();
+    current_offset = current_offset + quicken_info_offset;
+    uint32_t before_offset = current_offset;
+    current_offset = RoundUp(current_offset, QuickenInfoOffsetTableAccessor::Alignment());
+    const size_t extra_bytes = current_offset - before_offset;
+    quicken_info_offset += extra_bytes;
+    actual_offset = vdex_out->Seek(current_offset, kSeekSet);
+    if (actual_offset != static_cast<off_t>(current_offset)) {
+      PLOG(ERROR) << "Failed to seek to quickening offset table section. Actual: " << actual_offset
+                  << " Expected: " << current_offset
+                  << " Output: " << vdex_out->GetLocation();
+      return false;
+    }
+
+    std::vector<uint32_t> table_offsets;
+    WriteQuickeningInfoOffsetsMethodVisitor table_visitor(
+        vdex_out,
+        quicken_info_offset,
+        &write_quicken_info_visitor.GetQuickenInfoOffsetIndicies(),
+        /*out*/ &table_offsets);
+    if (!table_visitor.VisitDexMethods(*dex_files_)) {
+      PLOG(ERROR) << "Failed to write the vdex quickening info. File: "
+                  << vdex_out->GetLocation();
+      return false;
+    }
+
+    CHECK_EQ(table_offsets.size(), dex_files_->size());
+
+    current_offset += table_visitor.GetNumberOfWrittenBytes();
+
+    // Store the offset table offset as a preheader for each dex.
+    size_t index = 0;
+    for (const OatDexFile& oat_dex_file : oat_dex_files_) {
+      const off_t desired_offset = oat_dex_file.dex_file_offset_ -
+          sizeof(VdexFile::QuickeningTableOffsetType);
+      actual_offset = vdex_out->Seek(desired_offset, kSeekSet);
+      if (actual_offset != desired_offset) {
+        PLOG(ERROR) << "Failed to seek to before dex file for writing offset table offset: "
+                    << actual_offset << " Expected: " << desired_offset
+                    << " Output: " << vdex_out->GetLocation();
         return false;
       }
-
-      if (!vdex_out->Flush()) {
-        PLOG(ERROR) << "Failed to flush stream after writing quickening info."
+      uint32_t offset = table_offsets[index];
+      if (!vdex_out->WriteFully(reinterpret_cast<const uint8_t*>(&offset), sizeof(offset))) {
+        PLOG(ERROR) << "Failed to write verifier deps."
                     << " File: " << vdex_out->GetLocation();
         return false;
       }
-      size_quickening_info_ = visitor1.GetNumberOfWrittenBytes() +
-                              visitor2.GetNumberOfWrittenBytes();
-    } else {
-      // We know we did not quicken.
-      size_quickening_info_ = 0;
+      ++index;
     }
+    if (!vdex_out->Flush()) {
+      PLOG(ERROR) << "Failed to flush stream after writing quickening info."
+                  << " File: " << vdex_out->GetLocation();
+      return false;
+    }
+    size_quickening_info_ = current_offset - start_offset;
   } else {
     // We know we did not quicken.
     size_quickening_info_ = 0;
@@ -3358,9 +3396,15 @@
   // Dex files are required to be 4 byte aligned.
   size_t initial_offset = vdex_size_;
   size_t start_offset = RoundUp(initial_offset, 4);
-  size_t file_offset = start_offset;
   size_dex_file_alignment_ += start_offset - initial_offset;
 
+  // Leave extra room for the quicken offset table offset.
+  start_offset += sizeof(VdexFile::QuickeningTableOffsetType);
+  // TODO: Not count the offset as part of alignment.
+  size_dex_file_alignment_ += sizeof(VdexFile::QuickeningTableOffsetType);
+
+  size_t file_offset = start_offset;
+
   // Seek to the start of the dex file and flush any pending operations in the stream.
   // Verify that, after flushing the stream, the file is at the same offset as the stream.
   off_t actual_offset = out->Seek(file_offset, kSeekSet);
@@ -4163,5 +4207,17 @@
   UNREACHABLE();
 }
 
+debug::DebugInfo OatWriter::GetDebugInfo() const {
+  debug::DebugInfo debug_info{};
+  debug_info.compiled_methods = ArrayRef<const debug::MethodDebugInfo>(method_info_);
+  if (dex_files_ != nullptr) {
+    for (auto dex_file : *dex_files_) {
+      uint32_t offset = vdex_dex_files_offset_ + (dex_file->Begin() - (*dex_files_)[0]->Begin());
+      debug_info.dex_files.emplace(offset, dex_file);
+    }
+  }
+  return debug_info;
+}
+
 }  // namespace linker
 }  // namespace art
diff --git a/dex2oat/linker/oat_writer.h b/dex2oat/linker/oat_writer.h
index c9deea9..ac96bb8 100644
--- a/dex2oat/linker/oat_writer.h
+++ b/dex2oat/linker/oat_writer.h
@@ -25,6 +25,7 @@
 #include "base/array_ref.h"
 #include "base/dchecked_vector.h"
 #include "dex/compact_dex_level.h"
+#include "debug/debug_info.h"
 #include "linker/relative_patcher.h"  // For RelativePatcherTargetProvider.
 #include "mem_map.h"
 #include "method_reference.h"
@@ -240,9 +241,7 @@
 
   ~OatWriter();
 
-  ArrayRef<const debug::MethodDebugInfo> GetMethodDebugInfo() const {
-    return ArrayRef<const debug::MethodDebugInfo>(method_info_);
-  }
+  debug::DebugInfo GetDebugInfo() const;
 
   const CompilerDriver* GetCompilerDriver() const {
     return compiler_driver_;
@@ -275,7 +274,7 @@
   class WriteMapMethodVisitor;
   class WriteMethodInfoVisitor;
   class WriteQuickeningInfoMethodVisitor;
-  class WriteQuickeningIndicesMethodVisitor;
+  class WriteQuickeningInfoOffsetsMethodVisitor;
 
   // Visit all the methods in all the compiled dex files in their definition order
   // with a given DexMethodVisitor.
diff --git a/dex2oat/linker/oat_writer_test.cc b/dex2oat/linker/oat_writer_test.cc
index 99bc1ad..c45166b 100644
--- a/dex2oat/linker/oat_writer_test.cc
+++ b/dex2oat/linker/oat_writer_test.cc
@@ -250,7 +250,7 @@
     }
 
     elf_writer->WriteDynamicSection();
-    elf_writer->WriteDebugInfo(oat_writer.GetMethodDebugInfo());
+    elf_writer->WriteDebugInfo(oat_writer.GetDebugInfo());
 
     if (!elf_writer->End()) {
       return false;
@@ -659,7 +659,11 @@
   ASSERT_EQ(dex_file2_data->GetLocation(), opened_dex_file2->GetLocation());
 
   const VdexFile::Header &vdex_header = opened_oat_file->GetVdexFile()->GetHeader();
-  ASSERT_EQ(vdex_header.GetQuickeningInfoSize(), 0u);
+  if (!compiler_driver_->GetCompilerOptions().IsQuickeningCompilationEnabled()) {
+    // If quickening is enabled we will always write the table since there is no special logic that
+    // checks for all methods not being quickened (not worth the complexity).
+    ASSERT_EQ(vdex_header.GetQuickeningInfoSize(), 0u);
+  }
 
   int64_t actual_vdex_size = vdex_file.GetFile()->GetLength();
   ASSERT_GE(actual_vdex_size, 0);
diff --git a/dexdump/dexdump.cc b/dexdump/dexdump.cc
index 8132323..1518e1d 100644
--- a/dexdump/dexdump.cc
+++ b/dexdump/dexdump.cc
@@ -1187,7 +1187,7 @@
  */
 static void dumpCode(const DexFile* pDexFile, u4 idx, u4 flags,
                      const DexFile::CodeItem* pCode, u4 codeOffset) {
-  CodeItemDebugInfoAccessor accessor(*pDexFile, pCode, pDexFile->GetDebugInfoOffset(pCode));
+  CodeItemDebugInfoAccessor accessor(*pDexFile, pCode, idx);
 
   fprintf(gOutFile, "      registers     : %d\n", accessor.RegistersSize());
   fprintf(gOutFile, "      ins           : %d\n", accessor.InsSize());
diff --git a/dexlayout/compact_dex_writer.cc b/dexlayout/compact_dex_writer.cc
index 1c5b16d..d1dc658 100644
--- a/dexlayout/compact_dex_writer.cc
+++ b/dexlayout/compact_dex_writer.cc
@@ -16,10 +16,144 @@
 
 #include "compact_dex_writer.h"
 
+#include "base/logging.h"
+#include "base/time_utils.h"
+#include "dex/compact_dex_debug_info.h"
 #include "dex/compact_dex_file.h"
+#include "dexlayout.h"
 
 namespace art {
 
+uint32_t CompactDexWriter::WriteDebugInfoOffsetTable(uint32_t offset) {
+  const uint32_t start_offset = offset;
+  const dex_ir::Collections& collections = header_->GetCollections();
+  // Debug offsets for method indexes. 0 means no debug info.
+  std::vector<uint32_t> debug_info_offsets(collections.MethodIdsSize(), 0u);
+
+  static constexpr InvokeType invoke_types[] = {
+    kDirect,
+    kVirtual
+  };
+
+  for (InvokeType invoke_type : invoke_types) {
+    for (const std::unique_ptr<dex_ir::ClassDef>& class_def : collections.ClassDefs()) {
+      // Skip classes that are not defined in this dex file.
+      dex_ir::ClassData* class_data = class_def->GetClassData();
+      if (class_data == nullptr) {
+        continue;
+      }
+      for (auto& method : *(invoke_type == InvokeType::kDirect
+                                ? class_data->DirectMethods()
+                                : class_data->VirtualMethods())) {
+        const dex_ir::MethodId* method_id = method->GetMethodId();
+        dex_ir::CodeItem* code_item = method->GetCodeItem();
+        if (code_item != nullptr && code_item->DebugInfo() != nullptr) {
+          const uint32_t debug_info_offset = code_item->DebugInfo()->GetOffset();
+          const uint32_t method_idx = method_id->GetIndex();
+          if (debug_info_offsets[method_idx] != 0u) {
+            CHECK_EQ(debug_info_offset, debug_info_offsets[method_idx]);
+          }
+          debug_info_offsets[method_idx] = debug_info_offset;
+        }
+      }
+    }
+  }
+
+  std::vector<uint8_t> data;
+  debug_info_base_ = 0u;
+  debug_info_offsets_table_offset_ = 0u;
+  CompactDexDebugInfoOffsetTable::Build(debug_info_offsets,
+                                        &data,
+                                        &debug_info_base_,
+                                        &debug_info_offsets_table_offset_);
+  // Align the table and write it out.
+  offset = RoundUp(offset, CompactDexDebugInfoOffsetTable::kAlignment);
+  debug_info_offsets_pos_ = offset;
+  offset += Write(data.data(), data.size(), offset);
+
+  // Verify that the whole table decodes as expected and measure average performance.
+  const bool kMeasureAndTestOutput = dex_layout_->GetOptions().verify_output_;
+  if (kMeasureAndTestOutput && !debug_info_offsets.empty()) {
+    uint64_t start_time = NanoTime();
+    CompactDexDebugInfoOffsetTable::Accessor accessor(mem_map_->Begin() + debug_info_offsets_pos_,
+                                                      debug_info_base_,
+                                                      debug_info_offsets_table_offset_);
+
+    for (size_t i = 0; i < debug_info_offsets.size(); ++i) {
+      CHECK_EQ(accessor.GetDebugInfoOffset(i), debug_info_offsets[i]);
+    }
+    uint64_t end_time = NanoTime();
+    VLOG(dex) << "Average lookup time (ns) for debug info offsets: "
+              << (end_time - start_time) / debug_info_offsets.size();
+  }
+
+  return offset - start_offset;
+}
+
+uint32_t CompactDexWriter::WriteCodeItem(dex_ir::CodeItem* code_item,
+                                         uint32_t offset,
+                                         bool reserve_only) {
+  DCHECK(code_item != nullptr);
+  const uint32_t start_offset = offset;
+  offset = RoundUp(offset, CompactDexFile::CodeItem::kAlignment);
+  ProcessOffset(&offset, code_item);
+
+  CompactDexFile::CodeItem disk_code_item;
+  disk_code_item.registers_size_ = code_item->RegistersSize();
+  disk_code_item.ins_size_ = code_item->InsSize();
+  disk_code_item.outs_size_ = code_item->OutsSize();
+  disk_code_item.tries_size_ = code_item->TriesSize();
+  disk_code_item.insns_size_in_code_units_ = code_item->InsnsSize();
+  // Avoid using sizeof so that we don't write the fake instruction array at the end of the code
+  // item.
+  offset += Write(&disk_code_item,
+                  OFFSETOF_MEMBER(CompactDexFile::CodeItem, insns_),
+                  offset);
+  // Write the instructions.
+  offset += Write(code_item->Insns(), code_item->InsnsSize() * sizeof(uint16_t), offset);
+  // Write the post instruction data.
+  offset += WriteCodeItemPostInstructionData(code_item, offset, reserve_only);
+  return offset - start_offset;
+}
+
+void CompactDexWriter::SortDebugInfosByMethodIndex() {
+  dex_ir::Collections& collections = header_->GetCollections();
+  static constexpr InvokeType invoke_types[] = {
+    kDirect,
+    kVirtual
+  };
+  std::map<const dex_ir::DebugInfoItem*, uint32_t> method_idx_map;
+  for (InvokeType invoke_type : invoke_types) {
+    for (std::unique_ptr<dex_ir::ClassDef>& class_def : collections.ClassDefs()) {
+      // Skip classes that are not defined in this dex file.
+      dex_ir::ClassData* class_data = class_def->GetClassData();
+      if (class_data == nullptr) {
+        continue;
+      }
+      for (auto& method : *(invoke_type == InvokeType::kDirect
+                                ? class_data->DirectMethods()
+                                : class_data->VirtualMethods())) {
+        const dex_ir::MethodId* method_id = method->GetMethodId();
+        dex_ir::CodeItem* code_item = method->GetCodeItem();
+        if (code_item != nullptr && code_item->DebugInfo() != nullptr) {
+          const dex_ir::DebugInfoItem* debug_item = code_item->DebugInfo();
+          method_idx_map.insert(std::make_pair(debug_item, method_id->GetIndex()));
+        }
+      }
+    }
+  }
+  std::sort(collections.DebugInfoItems().begin(),
+            collections.DebugInfoItems().end(),
+            [&](const std::unique_ptr<dex_ir::DebugInfoItem>& a,
+                const std::unique_ptr<dex_ir::DebugInfoItem>& b) {
+    auto it_a = method_idx_map.find(a.get());
+    auto it_b = method_idx_map.find(b.get());
+    uint32_t idx_a = it_a != method_idx_map.end() ? it_a->second : 0u;
+    uint32_t idx_b = it_b != method_idx_map.end() ? it_b->second : 0u;
+    return idx_a < idx_b;
+  });
+}
+
 void CompactDexWriter::WriteHeader() {
   CompactDexFile::Header header;
   CompactDexFile::WriteMagic(&header.magic_[0]);
@@ -49,6 +183,11 @@
   header.class_defs_off_ = collections.ClassDefsOffset();
   header.data_size_ = header_->DataSize();
   header.data_off_ = header_->DataOffset();
+
+  // Compact dex specific flags.
+  header.debug_info_offsets_pos_ = debug_info_offsets_pos_;
+  header.debug_info_offsets_table_offset_ = debug_info_offsets_table_offset_;
+  header.debug_info_base_ = debug_info_base_;
   header.feature_flags_ = 0u;
   // In cases where apps are converted to cdex during install, maintain feature flags so that
   // the verifier correctly verifies apps that aren't targetting default methods.
@@ -62,4 +201,103 @@
   return sizeof(CompactDexFile::Header);
 }
 
+void CompactDexWriter::WriteMemMap() {
+  // Starting offset is right after the header.
+  uint32_t offset = GetHeaderSize();
+
+  dex_ir::Collections& collection = header_->GetCollections();
+
+  // Based on: https://source.android.com/devices/tech/dalvik/dex-format
+  // Since the offsets may not be calculated already, the writing must be done in the correct order.
+  const uint32_t string_ids_offset = offset;
+  offset += WriteStringIds(offset, /*reserve_only*/ true);
+  offset += WriteTypeIds(offset);
+  const uint32_t proto_ids_offset = offset;
+  offset += WriteProtoIds(offset, /*reserve_only*/ true);
+  offset += WriteFieldIds(offset);
+  offset += WriteMethodIds(offset);
+  const uint32_t class_defs_offset = offset;
+  offset += WriteClassDefs(offset, /*reserve_only*/ true);
+  const uint32_t call_site_ids_offset = offset;
+  offset += WriteCallSiteIds(offset, /*reserve_only*/ true);
+  offset += WriteMethodHandles(offset);
+
+  uint32_t data_offset_ = 0u;
+  if (compute_offsets_) {
+    // Data section.
+    offset = RoundUp(offset, kDataSectionAlignment);
+    data_offset_ = offset;
+  }
+
+  // Write code item first to minimize the space required for encoded methods.
+  // For cdex, the code items don't depend on the debug info.
+  offset += WriteCodeItems(offset, /*reserve_only*/ false);
+
+  // Sort the debug infos by method index order, this reduces size by ~0.1% by reducing the size of
+  // the debug info offset table.
+  SortDebugInfosByMethodIndex();
+  offset += WriteDebugInfoItems(offset);
+
+  offset += WriteEncodedArrays(offset);
+  offset += WriteAnnotations(offset);
+  offset += WriteAnnotationSets(offset);
+  offset += WriteAnnotationSetRefs(offset);
+  offset += WriteAnnotationsDirectories(offset);
+  offset += WriteTypeLists(offset);
+  offset += WriteClassDatas(offset);
+  offset += WriteStringDatas(offset);
+
+  // Write delayed id sections that depend on data sections.
+  WriteStringIds(string_ids_offset, /*reserve_only*/ false);
+  WriteProtoIds(proto_ids_offset, /*reserve_only*/ false);
+  WriteClassDefs(class_defs_offset, /*reserve_only*/ false);
+  WriteCallSiteIds(call_site_ids_offset, /*reserve_only*/ false);
+
+  // Write the map list.
+  if (compute_offsets_) {
+    offset = RoundUp(offset, SectionAlignment(DexFile::kDexTypeMapList));
+    collection.SetMapListOffset(offset);
+  } else {
+    offset = collection.MapListOffset();
+  }
+  offset += GenerateAndWriteMapItems(offset);
+  offset = RoundUp(offset, kDataSectionAlignment);
+
+  // Map items are included in the data section.
+  if (compute_offsets_) {
+    header_->SetDataSize(offset - data_offset_);
+    if (header_->DataSize() != 0) {
+      // Offset must be zero when the size is zero.
+      header_->SetDataOffset(data_offset_);
+    } else {
+      header_->SetDataOffset(0u);
+    }
+  }
+
+  // Write link data if it exists.
+  const std::vector<uint8_t>& link_data = collection.LinkData();
+  if (link_data.size() > 0) {
+    CHECK_EQ(header_->LinkSize(), static_cast<uint32_t>(link_data.size()));
+    if (compute_offsets_) {
+      header_->SetLinkOffset(offset);
+    }
+    offset += Write(&link_data[0], link_data.size(), header_->LinkOffset());
+  }
+
+  // Write debug info offset table last to make dex file verifier happy.
+  offset += WriteDebugInfoOffsetTable(offset);
+
+  // Write header last.
+  if (compute_offsets_) {
+    header_->SetFileSize(offset);
+  }
+  WriteHeader();
+
+  if (dex_layout_->GetOptions().update_checksum_) {
+    header_->SetChecksum(DexFile::CalculateChecksum(mem_map_->Begin(), offset));
+    // Rewrite the header with the calculated checksum.
+    WriteHeader();
+  }
+}
+
 }  // namespace art
diff --git a/dexlayout/compact_dex_writer.h b/dexlayout/compact_dex_writer.h
index d13333b..37f6ff1 100644
--- a/dexlayout/compact_dex_writer.h
+++ b/dexlayout/compact_dex_writer.h
@@ -33,13 +33,30 @@
         compact_dex_level_(compact_dex_level) {}
 
  protected:
+  void WriteMemMap() OVERRIDE;
+
   void WriteHeader() OVERRIDE;
 
   size_t GetHeaderSize() const OVERRIDE;
 
+  uint32_t WriteDebugInfoOffsetTable(uint32_t offset);
+
   const CompactDexLevel compact_dex_level_;
 
+  uint32_t WriteCodeItem(dex_ir::CodeItem* code_item, uint32_t offset, bool reserve_only) OVERRIDE;
+
+  void SortDebugInfosByMethodIndex();
+
  private:
+  // Position in the compact dex file for the debug info table data starts.
+  uint32_t debug_info_offsets_pos_ = 0u;
+
+  // Offset into the debug info table data where the lookup table is.
+  uint32_t debug_info_offsets_table_offset_ = 0u;
+
+  // Base offset of where debug info starts in the dex file.
+  uint32_t debug_info_base_ = 0u;
+
   DISALLOW_COPY_AND_ASSIGN(CompactDexWriter);
 };
 
diff --git a/dexlayout/dex_ir.cc b/dexlayout/dex_ir.cc
index 2191ea6..0a59cc9 100644
--- a/dexlayout/dex_ir.cc
+++ b/dexlayout/dex_ir.cc
@@ -566,8 +566,10 @@
 }
 
 CodeItem* Collections::CreateCodeItem(const DexFile& dex_file,
-                                      const DexFile::CodeItem& disk_code_item, uint32_t offset) {
-  CodeItemDebugInfoAccessor accessor(dex_file, &disk_code_item);
+                                      const DexFile::CodeItem& disk_code_item,
+                                      uint32_t offset,
+                                      uint32_t dex_method_index) {
+  CodeItemDebugInfoAccessor accessor(dex_file, &disk_code_item, dex_method_index);
   const uint16_t registers_size = accessor.RegistersSize();
   const uint16_t ins_size = accessor.InsSize();
   const uint16_t outs_size = accessor.OutsSize();
@@ -705,7 +707,10 @@
   DebugInfoItem* debug_info = nullptr;
   if (disk_code_item != nullptr) {
     if (code_item == nullptr) {
-      code_item = CreateCodeItem(dex_file, *disk_code_item, cdii.GetMethodCodeItemOffset());
+      code_item = CreateCodeItem(dex_file,
+                                 *disk_code_item,
+                                 cdii.GetMethodCodeItemOffset(),
+                                 cdii.GetMemberIndex());
     }
     debug_info = code_item->DebugInfo();
   }
diff --git a/dexlayout/dex_ir.h b/dexlayout/dex_ir.h
index 6797fa5..ca47b34 100644
--- a/dexlayout/dex_ir.h
+++ b/dexlayout/dex_ir.h
@@ -133,6 +133,7 @@
 
   uint32_t Size() const { return collection_.size(); }
   Vector& Collection() { return collection_; }
+  const Vector& Collection() const { return collection_; }
 
  protected:
   Vector collection_;
@@ -230,6 +231,8 @@
   CollectionVector<CodeItem>::Vector& CodeItems() { return code_items_.Collection(); }
   CollectionVector<ClassData>::Vector& ClassDatas() { return class_datas_.Collection(); }
 
+  const CollectionVector<ClassDef>::Vector& ClassDefs() const { return class_defs_.Collection(); }
+
   void CreateStringId(const DexFile& dex_file, uint32_t i);
   void CreateTypeId(const DexFile& dex_file, uint32_t i);
   void CreateProtoId(const DexFile& dex_file, uint32_t i);
@@ -251,8 +254,10 @@
       const DexFile::AnnotationSetItem* disk_annotations_item, uint32_t offset);
   AnnotationsDirectoryItem* CreateAnnotationsDirectoryItem(const DexFile& dex_file,
       const DexFile::AnnotationsDirectoryItem* disk_annotations_item, uint32_t offset);
-  CodeItem* CreateCodeItem(
-      const DexFile& dex_file, const DexFile::CodeItem& disk_code_item, uint32_t offset);
+  CodeItem* CreateCodeItem(const DexFile& dex_file,
+                           const DexFile::CodeItem& disk_code_item,
+                           uint32_t offset,
+                           uint32_t dex_method_index);
   ClassData* CreateClassData(const DexFile& dex_file, const uint8_t* encoded_data, uint32_t offset);
   void AddAnnotationsFromMapListSection(const DexFile& dex_file,
                                         uint32_t start_offset,
diff --git a/dexlayout/dex_writer.cc b/dexlayout/dex_writer.cc
index 489a6b1..6e1cb62 100644
--- a/dexlayout/dex_writer.cc
+++ b/dexlayout/dex_writer.cc
@@ -30,25 +30,6 @@
 
 namespace art {
 
-static constexpr uint32_t kDataSectionAlignment = sizeof(uint32_t) * 2;
-static constexpr uint32_t kDexSectionWordAlignment = 4;
-
-static constexpr uint32_t SectionAlignment(DexFile::MapItemType type) {
-  switch (type) {
-    case DexFile::kDexTypeClassDataItem:
-    case DexFile::kDexTypeStringDataItem:
-    case DexFile::kDexTypeDebugInfoItem:
-    case DexFile::kDexTypeAnnotationItem:
-    case DexFile::kDexTypeEncodedArrayItem:
-      return alignof(uint8_t);
-
-    default:
-      // All other sections are kDexAlignedSection.
-      return kDexSectionWordAlignment;
-  }
-}
-
-
 size_t EncodeIntValue(int32_t value, uint8_t* buffer) {
   size_t length = 0;
   if (value >= 0) {
@@ -526,69 +507,96 @@
   return offset - start;
 }
 
+uint32_t DexWriter::WriteCodeItemPostInstructionData(dex_ir::CodeItem* code_item,
+                                                     uint32_t offset,
+                                                     bool reserve_only) {
+  const uint32_t start_offset = offset;
+  if (code_item->TriesSize() != 0) {
+    // Make sure the try items are properly aligned.
+    offset = RoundUp(offset, kDexTryItemAlignment);
+    // Write try items.
+    for (std::unique_ptr<const dex_ir::TryItem>& try_item : *code_item->Tries()) {
+      DexFile::TryItem disk_try_item;
+      if (!reserve_only) {
+        disk_try_item.start_addr_ = try_item->StartAddr();
+        disk_try_item.insn_count_ = try_item->InsnCount();
+        disk_try_item.handler_off_ = try_item->GetHandlers()->GetListOffset();
+      }
+      offset += Write(&disk_try_item, sizeof(disk_try_item), offset);
+    }
+    size_t max_offset = offset;
+    // Leave offset pointing to the end of the try items.
+    UNUSED(WriteUleb128(code_item->Handlers()->size(), offset));
+    for (std::unique_ptr<const dex_ir::CatchHandler>& handlers : *code_item->Handlers()) {
+      size_t list_offset = offset + handlers->GetListOffset();
+      uint32_t size = handlers->HasCatchAll() ? (handlers->GetHandlers()->size() - 1) * -1 :
+          handlers->GetHandlers()->size();
+      list_offset += WriteSleb128(size, list_offset);
+      for (std::unique_ptr<const dex_ir::TypeAddrPair>& handler : *handlers->GetHandlers()) {
+        if (handler->GetTypeId() != nullptr) {
+          list_offset += WriteUleb128(handler->GetTypeId()->GetIndex(), list_offset);
+        }
+        list_offset += WriteUleb128(handler->GetAddress(), list_offset);
+      }
+      // TODO: Clean this up to write the handlers in address order.
+      max_offset = std::max(max_offset, list_offset);
+    }
+    offset = max_offset;
+  }
+
+  return offset - start_offset;
+}
+
+uint32_t DexWriter::WriteCodeItem(dex_ir::CodeItem* code_item,
+                                  uint32_t offset,
+                                  bool reserve_only) {
+  DCHECK(code_item != nullptr);
+  const uint32_t start_offset = offset;
+  offset = RoundUp(offset, SectionAlignment(DexFile::kDexTypeCodeItem));
+  ProcessOffset(&offset, code_item);
+
+  StandardDexFile::CodeItem disk_code_item;
+  if (!reserve_only) {
+    disk_code_item.registers_size_ = code_item->RegistersSize();
+    disk_code_item.ins_size_ = code_item->InsSize();
+    disk_code_item.outs_size_ = code_item->OutsSize();
+    disk_code_item.tries_size_ = code_item->TriesSize();
+    disk_code_item.debug_info_off_ = code_item->DebugInfo() == nullptr
+        ? 0
+        : code_item->DebugInfo()->GetOffset();
+    disk_code_item.insns_size_in_code_units_ = code_item->InsnsSize();
+  }
+  // Avoid using sizeof so that we don't write the fake instruction array at the end of the code
+  // item.
+  offset += Write(&disk_code_item,
+                  OFFSETOF_MEMBER(StandardDexFile::CodeItem, insns_),
+                  offset);
+  // Write the instructions.
+  offset += Write(code_item->Insns(), code_item->InsnsSize() * sizeof(uint16_t), offset);
+  // Write the post instruction data.
+  offset += WriteCodeItemPostInstructionData(code_item, offset, reserve_only);
+  return offset - start_offset;
+}
+
 uint32_t DexWriter::WriteCodeItems(uint32_t offset, bool reserve_only) {
   DexLayoutSection* code_section = nullptr;
   if (!reserve_only && dex_layout_ != nullptr) {
     code_section = &dex_layout_->GetSections().sections_[static_cast<size_t>(
         DexLayoutSections::SectionType::kSectionTypeCode)];
   }
-  uint16_t uint16_buffer[4] = {};
-  uint32_t uint32_buffer[2] = {};
   uint32_t start = offset;
   for (auto& code_item : header_->GetCollections().CodeItems()) {
-    offset = RoundUp(offset, SectionAlignment(DexFile::kDexTypeCodeItem));
-    ProcessOffset(&offset, code_item.get());
-    if (!reserve_only) {
-      uint16_buffer[0] = code_item->RegistersSize();
-      uint16_buffer[1] = code_item->InsSize();
-      uint16_buffer[2] = code_item->OutsSize();
-      uint16_buffer[3] = code_item->TriesSize();
-      uint32_buffer[0] = code_item->DebugInfo() == nullptr ? 0 :
-          code_item->DebugInfo()->GetOffset();
-      uint32_buffer[1] = code_item->InsnsSize();
-      // Only add the section hotness info once.
-      if (code_section != nullptr) {
-        auto it = dex_layout_->LayoutHotnessInfo().code_item_layout_.find(code_item.get());
-        if (it != dex_layout_->LayoutHotnessInfo().code_item_layout_.end()) {
-          code_section->parts_[static_cast<size_t>(it->second)].CombineSection(
-              code_item->GetOffset(), code_item->GetOffset() + code_item->GetSize());
-        }
+    const size_t code_item_size = WriteCodeItem(code_item.get(), offset, reserve_only);
+    // Only add the section hotness info once.
+    if (!reserve_only && code_section != nullptr) {
+      auto it = dex_layout_->LayoutHotnessInfo().code_item_layout_.find(code_item.get());
+      if (it != dex_layout_->LayoutHotnessInfo().code_item_layout_.end()) {
+        code_section->parts_[static_cast<size_t>(it->second)].CombineSection(
+            offset,
+            offset + code_item_size);
       }
     }
-    offset += Write(uint16_buffer, 4 * sizeof(uint16_t), offset);
-    offset += Write(uint32_buffer, 2 * sizeof(uint32_t), offset);
-    offset += Write(code_item->Insns(), code_item->InsnsSize() * sizeof(uint16_t), offset);
-    if (code_item->TriesSize() != 0) {
-      if (code_item->InsnsSize() % 2 != 0) {
-        uint16_t padding[1] = { 0 };
-        offset += Write(padding, sizeof(uint16_t), offset);
-      }
-      uint32_t start_addr[1];
-      uint16_t insn_count_and_handler_off[2];
-      for (std::unique_ptr<const dex_ir::TryItem>& try_item : *code_item->Tries()) {
-        start_addr[0] = try_item->StartAddr();
-        insn_count_and_handler_off[0] = try_item->InsnCount();
-        insn_count_and_handler_off[1] = try_item->GetHandlers()->GetListOffset();
-        offset += Write(start_addr, sizeof(uint32_t), offset);
-        offset += Write(insn_count_and_handler_off, 2 * sizeof(uint16_t), offset);
-      }
-      // Leave offset pointing to the end of the try items.
-      UNUSED(WriteUleb128(code_item->Handlers()->size(), offset));
-      for (std::unique_ptr<const dex_ir::CatchHandler>& handlers : *code_item->Handlers()) {
-        size_t list_offset = offset + handlers->GetListOffset();
-        uint32_t size = handlers->HasCatchAll() ? (handlers->GetHandlers()->size() - 1) * -1 :
-            handlers->GetHandlers()->size();
-        list_offset += WriteSleb128(size, list_offset);
-        for (std::unique_ptr<const dex_ir::TypeAddrPair>& handler : *handlers->GetHandlers()) {
-          if (handler->GetTypeId() != nullptr) {
-            list_offset += WriteUleb128(handler->GetTypeId()->GetIndex(), list_offset);
-          }
-          list_offset += WriteUleb128(handler->GetAddress(), list_offset);
-        }
-      }
-    }
-    // TODO: Clean this up to properly calculate the size instead of assuming it doesn't change.
-    offset = code_item->GetOffset() + code_item->GetSize();
+    offset += code_item_size;
   }
 
   if (compute_offsets_ && start != offset) {
diff --git a/dexlayout/dex_writer.h b/dexlayout/dex_writer.h
index 92a002e..fdeb299 100644
--- a/dexlayout/dex_writer.h
+++ b/dexlayout/dex_writer.h
@@ -23,6 +23,7 @@
 
 #include "base/unix_file/fd_file.h"
 #include "dex/compact_dex_level.h"
+#include "dex/dex_file.h"
 #include "dex_ir.h"
 #include "mem_map.h"
 #include "os.h"
@@ -59,6 +60,25 @@
 
 class DexWriter {
  public:
+  static constexpr uint32_t kDataSectionAlignment = sizeof(uint32_t) * 2;
+  static constexpr uint32_t kDexSectionWordAlignment = 4;
+  static constexpr uint32_t kDexTryItemAlignment = sizeof(uint32_t);
+
+  static inline constexpr uint32_t SectionAlignment(DexFile::MapItemType type) {
+    switch (type) {
+      case DexFile::kDexTypeClassDataItem:
+      case DexFile::kDexTypeStringDataItem:
+      case DexFile::kDexTypeDebugInfoItem:
+      case DexFile::kDexTypeAnnotationItem:
+      case DexFile::kDexTypeEncodedArrayItem:
+        return alignof(uint8_t);
+
+      default:
+        // All other sections are kDexAlignedSection.
+        return DexWriter::kDexSectionWordAlignment;
+    }
+  }
+
   DexWriter(dex_ir::Header* header,
             MemMap* mem_map,
             DexLayout* dex_layout,
@@ -77,7 +97,7 @@
   virtual ~DexWriter() {}
 
  protected:
-  void WriteMemMap();
+  virtual void WriteMemMap();
 
   size_t Write(const void* buffer, size_t length, size_t offset) WARN_UNUSED;
   size_t WriteSleb128(uint32_t value, size_t offset) WARN_UNUSED;
@@ -118,6 +138,11 @@
   uint32_t WriteMapItems(uint32_t offset, MapItemQueue* queue);
   uint32_t GenerateAndWriteMapItems(uint32_t offset);
 
+  virtual uint32_t WriteCodeItemPostInstructionData(dex_ir::CodeItem* item,
+                                                    uint32_t offset,
+                                                    bool reserve_only);
+  virtual uint32_t WriteCodeItem(dex_ir::CodeItem* item, uint32_t offset, bool reserve_only);
+
   // Process an offset, if compute_offset is set, write into the dex ir item, otherwise read the
   // existing offset and use that for writing.
   void ProcessOffset(uint32_t* const offset, dex_ir::Item* item) {
diff --git a/dexlist/dexlist.cc b/dexlist/dexlist.cc
index e452e98..1ced8ca 100644
--- a/dexlist/dexlist.cc
+++ b/dexlist/dexlist.cc
@@ -101,7 +101,7 @@
   if (pCode == nullptr || codeOffset == 0) {
     return;
   }
-  CodeItemDebugInfoAccessor accessor(*pDexFile, pCode, pDexFile->GetDebugInfoOffset(pCode));
+  CodeItemDebugInfoAccessor accessor(*pDexFile, pCode, idx);
 
   // Method information.
   const DexFile::MethodId& pMethodId = pDexFile->GetMethodId(idx);
diff --git a/oatdump/oatdump.cc b/oatdump/oatdump.cc
index 6668dac..2b90614 100644
--- a/oatdump/oatdump.cc
+++ b/oatdump/oatdump.cc
@@ -38,6 +38,7 @@
 #include "class_linker-inl.h"
 #include "class_linker.h"
 #include "compiled_method.h"
+#include "debug/debug_info.h"
 #include "debug/elf_debug_writer.h"
 #include "debug/method_debug_info.h"
 #include "dex/code_item_accessors-inl.h"
@@ -202,8 +203,13 @@
     // TODO: Try to symbolize link-time thunks?
     // This would require disassembling all methods to find branches outside the method code.
 
+    // TODO: Add symbols for dex bytecode in the .dex section.
+
+    debug::DebugInfo debug_info{};
+    debug_info.compiled_methods = ArrayRef<const debug::MethodDebugInfo>(method_debug_infos_);
+
     debug::WriteDebugInfo(builder_.get(),
-                          ArrayRef<const debug::MethodDebugInfo>(method_debug_infos_),
+                          debug_info,
                           dwarf::DW_DEBUG_FRAME_FORMAT,
                           true /* write_oat_patches */);
 
@@ -718,7 +724,6 @@
     }
 
     vdex_file->Unquicken(MakeNonOwningPointerVector(tmp_dex_files),
-                         vdex_file->GetQuickeningInfo(),
                          /* decompile_return_instruction */ true);
 
     *dex_files = std::move(tmp_dex_files);
diff --git a/openjdkjvmti/fixed_up_dex_file.cc b/openjdkjvmti/fixed_up_dex_file.cc
index 963c6f8..dcc834a 100644
--- a/openjdkjvmti/fixed_up_dex_file.cc
+++ b/openjdkjvmti/fixed_up_dex_file.cc
@@ -63,8 +63,7 @@
   if (vdex == nullptr) {
     return;
   }
-  art::VdexFile::UnquickenDexFile(
-      new_dex_file, vdex->GetQuickeningInfo(), /* decompile_return_instruction */true);
+  vdex->UnquickenDexFile(new_dex_file, original_dex_file, /* decompile_return_instruction */true);
 }
 
 std::unique_ptr<FixedUpDexFile> FixedUpDexFile::Create(const art::DexFile& original) {
diff --git a/runtime/Android.bp b/runtime/Android.bp
index 78cb3b6..2e34baf 100644
--- a/runtime/Android.bp
+++ b/runtime/Android.bp
@@ -25,6 +25,7 @@
     defaults: ["art_defaults"],
     host_supported: true,
     srcs: [
+        "dex/compact_dex_debug_info.cc",
         "dex/compact_dex_file.cc",
         "dex/dex_file.cc",
         "dex/dex_file_exception_helpers.cc",
@@ -120,6 +121,7 @@
         "common_throws.cc",
         "compiler_filter.cc",
         "debugger.cc",
+        "dex/compact_dex_debug_info.cc",
         "dex/compact_dex_file.cc",
         "dex/dex_file.cc",
         "dex/dex_file_annotations.cc",
@@ -637,6 +639,7 @@
         "class_table_test.cc",
         "compiler_filter_test.cc",
         "dex/code_item_accessors_test.cc",
+        "dex/compact_dex_debug_info_test.cc",
         "dex/compact_dex_file_test.cc",
         "dex/dex_file_test.cc",
         "dex/dex_file_verifier_test.cc",
diff --git a/runtime/art_method.cc b/runtime/art_method.cc
index f9eedae..96468bb 100644
--- a/runtime/art_method.cc
+++ b/runtime/art_method.cc
@@ -319,21 +319,6 @@
     self->AssertThreadSuspensionIsAllowable();
     CHECK_EQ(kRunnable, self->GetState());
     CHECK_STREQ(GetInterfaceMethodIfProxy(kRuntimePointerSize)->GetShorty(), shorty);
-
-    if (!IsNative() &&
-        !IsObsolete() &&
-        !IsProxyMethod() &&
-        IsInvokable() &&
-        ClassLinker::ShouldUseInterpreterEntrypoint(this, GetEntryPointFromQuickCompiledCode())) {
-      ClassLinker* cl = Runtime::Current()->GetClassLinker();
-      const void* entry_point = GetEntryPointFromQuickCompiledCode();
-      DCHECK(cl->IsQuickToInterpreterBridge(entry_point) ||
-             cl->IsQuickResolutionStub(entry_point) ||
-             entry_point == GetQuickInstrumentationEntryPoint())
-          << PrettyMethod() << " is expected to be interpreted but has an unexpected entrypoint."
-          << " The entrypoint is " << entry_point << " (incorrect) oat entrypoint would be "
-          << GetOatMethodQuickCode(cl->GetImagePointerSize());
-    }
   }
 
   // Push a transition back into managed code onto the linked list in thread.
@@ -577,14 +562,14 @@
   return true;
 }
 
-const uint8_t* ArtMethod::GetQuickenedInfo() {
+ArrayRef<const uint8_t> ArtMethod::GetQuickenedInfo() {
   const DexFile& dex_file = GetDeclaringClass()->GetDexFile();
   const OatFile::OatDexFile* oat_dex_file = dex_file.GetOatDexFile();
   if (oat_dex_file == nullptr || (oat_dex_file->GetOatFile() == nullptr)) {
-    return nullptr;
+    return ArrayRef<const uint8_t>();
   }
-  return oat_dex_file->GetOatFile()->GetVdexFile()->GetQuickenedInfoOf(
-      dex_file, GetCodeItemOffset());
+  return oat_dex_file->GetOatFile()->GetVdexFile()->GetQuickenedInfoOf(dex_file,
+                                                                       GetDexMethodIndex());
 }
 
 const OatQuickMethodHeader* ArtMethod::GetOatQuickMethodHeader(uintptr_t pc) {
diff --git a/runtime/art_method.h b/runtime/art_method.h
index c4a586e..cd06354 100644
--- a/runtime/art_method.h
+++ b/runtime/art_method.h
@@ -21,6 +21,7 @@
 
 #include <android-base/logging.h>
 
+#include "base/array_ref.h"
 #include "base/bit_utils.h"
 #include "base/casts.h"
 #include "base/enums.h"
@@ -662,7 +663,7 @@
     return hotness_count_;
   }
 
-  const uint8_t* GetQuickenedInfo() REQUIRES_SHARED(Locks::mutator_lock_);
+  ArrayRef<const uint8_t> GetQuickenedInfo() REQUIRES_SHARED(Locks::mutator_lock_);
 
   // Returns the method header for the compiled code containing 'pc'. Note that runtime
   // methods will return null for this method, as they are not oat based.
diff --git a/runtime/class_linker.cc b/runtime/class_linker.cc
index c487808..8776542 100644
--- a/runtime/class_linker.cc
+++ b/runtime/class_linker.cc
@@ -1296,32 +1296,22 @@
             }
             for (ArtMethod& m : klass->GetDirectMethods(kRuntimePointerSize)) {
               const void* code = m.GetEntryPointFromQuickCompiledCode();
-              if (!m.IsProxyMethod() &&
-                  !m.IsNative() &&
-                  !class_linker->IsQuickResolutionStub(code) &&
+              const void* oat_code = m.IsInvokable() ? class_linker->GetQuickOatCodeFor(&m) : code;
+              if (!class_linker->IsQuickResolutionStub(code) &&
+                  !class_linker->IsQuickGenericJniStub(code) &&
                   !class_linker->IsQuickToInterpreterBridge(code) &&
-                  m.IsInvokable()) {
-                // Since this is just a sanity check it's okay to get the oat code here regardless
-                // of whether it's usable.
-                const void* oat_code = m.GetOatMethodQuickCode(class_linker->GetImagePointerSize());
-                if (oat_code != nullptr) {
-                  DCHECK_EQ(code, oat_code) << m.PrettyMethod();
-                }
+                  !m.IsNative()) {
+                DCHECK_EQ(code, oat_code) << m.PrettyMethod();
               }
             }
             for (ArtMethod& m : klass->GetVirtualMethods(kRuntimePointerSize)) {
               const void* code = m.GetEntryPointFromQuickCompiledCode();
-              if (!m.IsProxyMethod() &&
-                  !m.IsNative() &&
-                  !class_linker->IsQuickResolutionStub(code) &&
+              const void* oat_code = m.IsInvokable() ? class_linker->GetQuickOatCodeFor(&m) : code;
+              if (!class_linker->IsQuickResolutionStub(code) &&
+                  !class_linker->IsQuickGenericJniStub(code) &&
                   !class_linker->IsQuickToInterpreterBridge(code) &&
-                  m.IsInvokable()) {
-                // Since this is just a sanity check it's okay to get the oat code here regardless
-                // of whether it's usable.
-                const void* oat_code = m.GetOatMethodQuickCode(class_linker->GetImagePointerSize());
-                if (oat_code != nullptr) {
-                  DCHECK_EQ(code, oat_code) << m.PrettyMethod();
-                }
+                  !m.IsNative()) {
+                DCHECK_EQ(code, oat_code) << m.PrettyMethod();
               }
             }
           }
@@ -2909,25 +2899,21 @@
                                          image_pointer_size_);
 }
 
-const void* ClassLinker::GetQuickEntrypointFor(ArtMethod* method) {
+// Special case to get oat code without overwriting a trampoline.
+const void* ClassLinker::GetQuickOatCodeFor(ArtMethod* method) {
   CHECK(method->IsInvokable()) << method->PrettyMethod();
   if (method->IsProxyMethod()) {
     return GetQuickProxyInvokeHandler();
   }
-  const void* oat_code = method->GetOatMethodQuickCode(GetImagePointerSize());
-  if (oat_code == nullptr) {
-    // We need either the generic jni or interpreter bridge.
-    if (method->IsNative()) {
-      return GetQuickGenericJniStub();
-    } else {
-      return GetQuickToInterpreterBridge();
-    }
-  } else if (ClassLinker::ShouldUseInterpreterEntrypoint(method, oat_code)) {
-    // We have oat code but we cannot use it for some reason.
-    return GetQuickToInterpreterBridge();
-  } else {
-    return oat_code;
+  auto* code = method->GetOatMethodQuickCode(GetImagePointerSize());
+  if (code != nullptr) {
+    return code;
   }
+  if (method->IsNative()) {
+    // No code and native? Use generic trampoline.
+    return GetQuickGenericJniStub();
+  }
+  return GetQuickToInterpreterBridge();
 }
 
 bool ClassLinker::ShouldUseInterpreterEntrypoint(ArtMethod* method, const void* quick_code) {
diff --git a/runtime/class_linker.h b/runtime/class_linker.h
index 62804e7..3e3425f 100644
--- a/runtime/class_linker.h
+++ b/runtime/class_linker.h
@@ -498,8 +498,9 @@
   std::string GetDescriptorForProxy(ObjPtr<mirror::Class> proxy_class)
       REQUIRES_SHARED(Locks::mutator_lock_);
 
-  // Get the correct entrypoint for a method as far as the class-linker is concerned.
-  const void* GetQuickEntrypointFor(ArtMethod* method) REQUIRES_SHARED(Locks::mutator_lock_);
+  // Get the oat code for a method when its class isn't yet initialized.
+  const void* GetQuickOatCodeFor(ArtMethod* method)
+      REQUIRES_SHARED(Locks::mutator_lock_);
 
   pid_t GetClassesLockOwner();  // For SignalCatcher.
   pid_t GetDexLockOwner();  // For SignalCatcher.
diff --git a/runtime/dex/code_item_accessors-inl.h b/runtime/dex/code_item_accessors-inl.h
index 2792dc0..63fd120 100644
--- a/runtime/dex/code_item_accessors-inl.h
+++ b/runtime/dex/code_item_accessors-inl.h
@@ -34,15 +34,9 @@
     : CodeItemDataAccessor(*method->GetDexFile(), method->GetCodeItem()) {}
 
 inline CodeItemDebugInfoAccessor::CodeItemDebugInfoAccessor(ArtMethod* method)
-    : CodeItemDebugInfoAccessor(*method->GetDexFile(), method->GetCodeItem()) {}
-
-inline CodeItemDebugInfoAccessor::CodeItemDebugInfoAccessor(const DexFile& dex_file,
-                                                            const DexFile::CodeItem* code_item) {
-  if (code_item == nullptr) {
-    return;
-  }
-  Init(dex_file, code_item, OatFile::GetDebugInfoOffset(dex_file, code_item->debug_info_off_));
-}
+    : CodeItemDebugInfoAccessor(*method->GetDexFile(),
+                                method->GetCodeItem(),
+                                method->GetDexMethodIndex()) {}
 
 }  // namespace art
 
diff --git a/runtime/dex/code_item_accessors-no_art-inl.h b/runtime/dex/code_item_accessors-no_art-inl.h
index baea856..aaa86d4 100644
--- a/runtime/dex/code_item_accessors-no_art-inl.h
+++ b/runtime/dex/code_item_accessors-no_art-inl.h
@@ -146,22 +146,28 @@
 
 inline void CodeItemDebugInfoAccessor::Init(const DexFile& dex_file,
                                             const DexFile::CodeItem* code_item,
-                                            uint32_t debug_info_offset) {
+                                            uint32_t dex_method_index) {
+  if (code_item == nullptr) {
+    return;
+  }
   dex_file_ = &dex_file;
-  debug_info_offset_ = debug_info_offset;
   if (dex_file.IsCompactDexFile()) {
-    Init(down_cast<const CompactDexFile::CodeItem&>(*code_item));
+    Init(down_cast<const CompactDexFile::CodeItem&>(*code_item), dex_method_index);
   } else {
     DCHECK(dex_file.IsStandardDexFile());
     Init(down_cast<const StandardDexFile::CodeItem&>(*code_item));
   }
 }
 
-inline void CodeItemDebugInfoAccessor::Init(const CompactDexFile::CodeItem& code_item) {
+inline void CodeItemDebugInfoAccessor::Init(const CompactDexFile::CodeItem& code_item,
+                                            uint32_t dex_method_index) {
+  debug_info_offset_ = down_cast<const CompactDexFile*>(dex_file_)->GetDebugInfoOffset(
+      dex_method_index);
   CodeItemDataAccessor::Init(code_item);
 }
 
 inline void CodeItemDebugInfoAccessor::Init(const StandardDexFile::CodeItem& code_item) {
+  debug_info_offset_ = code_item.debug_info_off_;
   CodeItemDataAccessor::Init(code_item);
 }
 
diff --git a/runtime/dex/code_item_accessors.h b/runtime/dex/code_item_accessors.h
index b5a6957..66531f9 100644
--- a/runtime/dex/code_item_accessors.h
+++ b/runtime/dex/code_item_accessors.h
@@ -131,20 +131,16 @@
  public:
   CodeItemDebugInfoAccessor() = default;
 
-  // Handles null code items, but not null dex files.
-  ALWAYS_INLINE CodeItemDebugInfoAccessor(const DexFile& dex_file,
-                                          const DexFile::CodeItem* code_item);
-
   // Initialize with an existing offset.
   ALWAYS_INLINE CodeItemDebugInfoAccessor(const DexFile& dex_file,
                                           const DexFile::CodeItem* code_item,
-                                          uint32_t debug_info_offset) {
-    Init(dex_file, code_item, debug_info_offset);
+                                          uint32_t dex_method_index) {
+    Init(dex_file, code_item, dex_method_index);
   }
 
   ALWAYS_INLINE void Init(const DexFile& dex_file,
                           const DexFile::CodeItem* code_item,
-                          uint32_t debug_info_offset);
+                          uint32_t dex_method_index);
 
   ALWAYS_INLINE explicit CodeItemDebugInfoAccessor(ArtMethod* method);
 
@@ -159,7 +155,7 @@
                             void* context) const;
 
  protected:
-  ALWAYS_INLINE void Init(const CompactDexFile::CodeItem& code_item);
+  ALWAYS_INLINE void Init(const CompactDexFile::CodeItem& code_item, uint32_t dex_method_index);
   ALWAYS_INLINE void Init(const StandardDexFile::CodeItem& code_item);
 
  private:
diff --git a/runtime/dex/compact_dex_debug_info.cc b/runtime/dex/compact_dex_debug_info.cc
new file mode 100644
index 0000000..19495ca
--- /dev/null
+++ b/runtime/dex/compact_dex_debug_info.cc
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "compact_dex_debug_info.h"
+
+#include "compact_dex_utils.h"
+#include "leb128.h"
+
+namespace art {
+
+constexpr size_t CompactDexDebugInfoOffsetTable::kElementsPerIndex;
+
+CompactDexDebugInfoOffsetTable::Accessor::Accessor(const uint8_t* data_begin,
+                                                   uint32_t debug_info_base,
+                                                   uint32_t debug_info_table_offset)
+    : table_(reinterpret_cast<const uint32_t*>(data_begin + debug_info_table_offset)),
+      debug_info_base_(debug_info_base),
+      data_begin_(data_begin) {}
+
+uint32_t CompactDexDebugInfoOffsetTable::Accessor::GetDebugInfoOffset(uint32_t method_idx) const {
+  const uint32_t offset = table_[method_idx / kElementsPerIndex];
+  const size_t bit_index = method_idx % kElementsPerIndex;
+
+  const uint8_t* block = data_begin_ + offset;
+  uint16_t bit_mask = *block;
+  ++block;
+  bit_mask = (bit_mask << kBitsPerByte) | *block;
+  ++block;
+  if ((bit_mask & (1 << bit_index)) == 0) {
+    // Bit is not set means the offset is 0 for the debug info.
+    return 0u;
+  }
+  // Trim off the bits above the index we want and count how many bits are set. This is how many
+  // lebs we need to decode.
+  size_t count = POPCOUNT(static_cast<uintptr_t>(bit_mask) << (kBitsPerIntPtrT - 1 - bit_index));
+  DCHECK_GT(count, 0u);
+  uint32_t current_offset = debug_info_base_;
+  do {
+    current_offset += DecodeUnsignedLeb128(&block);
+    --count;
+  } while (count > 0);
+  return current_offset;
+}
+
+void CompactDexDebugInfoOffsetTable::Build(const std::vector<uint32_t>& debug_info_offsets,
+                                           std::vector<uint8_t>* out_data,
+                                           uint32_t* out_min_offset,
+                                           uint32_t* out_table_offset) {
+  DCHECK(out_data != nullptr);
+  DCHECK(out_data->empty());
+  // Calculate the base offset and return it.
+  *out_min_offset = std::numeric_limits<uint32_t>::max();
+  for (const uint32_t offset : debug_info_offsets) {
+    if (offset != 0u) {
+      *out_min_offset = std::min(*out_min_offset, offset);
+    }
+  }
+  // Write the leb blocks and store the important offsets (each kElementsPerIndex elements).
+  size_t block_start = 0;
+
+  std::vector<uint32_t> offset_table;
+
+  // Write data first then the table.
+  while (block_start < debug_info_offsets.size()) {
+    // Write the offset of the block for each block.
+    offset_table.push_back(out_data->size());
+
+    // Block size of up to kElementsPerIndex
+    const size_t block_size = std::min(debug_info_offsets.size() - block_start, kElementsPerIndex);
+
+    // Calculate bit mask since need to write that first.
+    uint16_t bit_mask = 0u;
+    for (size_t i = 0; i < block_size; ++i) {
+      if (debug_info_offsets[block_start + i] != 0u) {
+        bit_mask |= 1 << i;
+      }
+    }
+    // Write bit mask.
+    out_data->push_back(static_cast<uint8_t>(bit_mask >> kBitsPerByte));
+    out_data->push_back(static_cast<uint8_t>(bit_mask));
+
+    // Write debug info offsets relative to the current offset.
+    uint32_t current_offset = *out_min_offset;
+    for (size_t i = 0; i < block_size; ++i) {
+      const uint32_t debug_info_offset = debug_info_offsets[block_start + i];
+      if (debug_info_offset != 0u) {
+        uint32_t delta = debug_info_offset - current_offset;
+        EncodeUnsignedLeb128(out_data, delta);
+        current_offset = debug_info_offset;
+      }
+    }
+
+    block_start += block_size;
+  }
+
+  // Write the offset table.
+  AlignmentPadVector(out_data, alignof(uint32_t));
+  *out_table_offset = out_data->size();
+  out_data->insert(out_data->end(),
+                   reinterpret_cast<const uint8_t*>(&offset_table[0]),
+                   reinterpret_cast<const uint8_t*>(&offset_table[0] + offset_table.size()));
+}
+
+}  // namespace art
diff --git a/runtime/dex/compact_dex_debug_info.h b/runtime/dex/compact_dex_debug_info.h
new file mode 100644
index 0000000..1aff758
--- /dev/null
+++ b/runtime/dex/compact_dex_debug_info.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_RUNTIME_DEX_COMPACT_DEX_DEBUG_INFO_H_
+#define ART_RUNTIME_DEX_COMPACT_DEX_DEBUG_INFO_H_
+
+#include <cstdint>
+#include <vector>
+
+namespace art {
+
+// Debug offset table for compact dex, aims to minimize size while still providing reasonable
+// speed (10-20ns average time per lookup on host).
+class CompactDexDebugInfoOffsetTable {
+ public:
+  // This value is coupled with the leb chunk bitmask. That logic must also be adjusted when the
+  // integer is modified.
+  static constexpr size_t kElementsPerIndex = 16;
+
+  // Leb block format:
+  // [uint16_t] 16 bit mask for what method ids actually have a debug info offset for the chunk.
+  // [lebs] Up to 16 lebs encoded using leb128, one leb bit. The leb specifies how the offset
+  // changes compared to the previous index.
+
+  class Accessor {
+   public:
+    Accessor(const uint8_t* data_begin,
+             uint32_t debug_info_base,
+             uint32_t debug_info_table_offset);
+
+    // Return the debug info for a method index (or 0 if it doesn't have one).
+    uint32_t GetDebugInfoOffset(uint32_t method_idx) const;
+
+   private:
+    const uint32_t* const table_;
+    const uint32_t debug_info_base_;
+    const uint8_t* const data_begin_;
+  };
+
+  // Returned offsets are all relative to debug_info_offsets.
+  static void Build(const std::vector<uint32_t>& debug_info_offsets,
+                    std::vector<uint8_t>* out_data,
+                    uint32_t* out_min_offset,
+                    uint32_t* out_table_offset);
+
+  // 32 bit aligned for the offset table.
+  static constexpr size_t kAlignment = sizeof(uint32_t);
+};
+
+}  // namespace art
+
+#endif  // ART_RUNTIME_DEX_COMPACT_DEX_DEBUG_INFO_H_
diff --git a/runtime/dex/compact_dex_debug_info_test.cc b/runtime/dex/compact_dex_debug_info_test.cc
new file mode 100644
index 0000000..02b95e6
--- /dev/null
+++ b/runtime/dex/compact_dex_debug_info_test.cc
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vector>
+#include <sys/mman.h>
+
+#include "base/logging.h"
+#include "dex/compact_dex_debug_info.h"
+#include "gtest/gtest.h"
+#include "mem_map.h"
+
+namespace art {
+
+TEST(CompactDexDebugInfoTest, TestBuildAndAccess) {
+  MemMap::Init();
+
+  const size_t kDebugInfoMinOffset = 1234567;
+  std::vector<uint32_t> offsets = {
+      0, 17, 2, 3, 11, 0, 0, 0, 0, 1, 0, 1552, 100, 122, 44, 1234567, 0, 0,
+      std::numeric_limits<uint32_t>::max() - kDebugInfoMinOffset, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12,
+  };
+  // Add some large offset since the debug info section will never be that close to the beginning
+  // of the file.
+  for (uint32_t& offset : offsets) {
+    if (offset != 0u) {
+      offset += kDebugInfoMinOffset;
+    }
+  }
+
+  std::vector<uint8_t> data;
+  uint32_t base_offset = 0;
+  uint32_t table_offset = 0;
+  CompactDexDebugInfoOffsetTable::Build(offsets,
+                                        /*out*/ &data,
+                                        /*out*/ &base_offset,
+                                        /*out*/ &table_offset);
+  EXPECT_GE(base_offset, kDebugInfoMinOffset);
+  EXPECT_LT(table_offset, data.size());
+  ASSERT_GT(data.size(), 0u);
+  const size_t before_size = offsets.size() * sizeof(offsets.front());
+  EXPECT_LT(data.size(), before_size);
+
+  // Note that the accessor requires the data to be aligned. Use memmap to accomplish this.
+  std::string error_msg;
+  // Leave some extra room since we don't copy the table at the start (for testing).
+  constexpr size_t kExtraOffset = 4 * 128;
+  std::unique_ptr<MemMap> fake_dex(MemMap::MapAnonymous("fake dex",
+                                                        nullptr,
+                                                        data.size() + kExtraOffset,
+                                                        PROT_READ | PROT_WRITE,
+                                                        /*low_4gb*/ false,
+                                                        /*reuse*/ false,
+                                                        &error_msg));
+  ASSERT_TRUE(fake_dex != nullptr) << error_msg;
+  std::copy(data.begin(), data.end(), fake_dex->Begin() + kExtraOffset);
+
+  CompactDexDebugInfoOffsetTable::Accessor accessor(fake_dex->Begin() + kExtraOffset,
+                                                    base_offset,
+                                                    table_offset);
+  for (size_t i = 0; i < offsets.size(); ++i) {
+    EXPECT_EQ(offsets[i], accessor.GetDebugInfoOffset(i));
+  }
+
+  // Sort to produce a try and produce a smaller table. This happens because the leb diff is smaller
+  // for sorted increasing order.
+  std::sort(offsets.begin(), offsets.end());
+  std::vector<uint8_t> sorted_data;
+  CompactDexDebugInfoOffsetTable::Build(offsets,
+                                        /*out*/ &sorted_data,
+                                        /*out*/ &base_offset,
+                                        /*out*/ &table_offset);
+  EXPECT_LT(sorted_data.size(), data.size());
+  {
+    ScopedLogSeverity sls(LogSeverity::INFO);
+    LOG(INFO) << "raw size " << before_size
+              << " table size " << data.size()
+              << " sorted table size " << sorted_data.size();
+  }
+}
+
+}  // namespace art
diff --git a/runtime/dex/compact_dex_file.cc b/runtime/dex/compact_dex_file.cc
index 2d1ee04..ff193ff 100644
--- a/runtime/dex/compact_dex_file.cc
+++ b/runtime/dex/compact_dex_file.cc
@@ -63,4 +63,21 @@
       reinterpret_cast<uintptr_t>(&item);
 }
 
+CompactDexFile::CompactDexFile(const uint8_t* base,
+                               size_t size,
+                               const std::string& location,
+                               uint32_t location_checksum,
+                               const OatDexFile* oat_dex_file,
+                               DexFileContainer* container)
+    : DexFile(base,
+              size,
+              location,
+              location_checksum,
+              oat_dex_file,
+              container,
+              /*is_compact_dex*/ true),
+      debug_info_offsets_(Begin() + GetHeader().debug_info_offsets_pos_,
+                          GetHeader().debug_info_base_,
+                          GetHeader().debug_info_offsets_table_offset_) {}
+
 }  // namespace art
diff --git a/runtime/dex/compact_dex_file.h b/runtime/dex/compact_dex_file.h
index 280c6f7..af782a9 100644
--- a/runtime/dex/compact_dex_file.h
+++ b/runtime/dex/compact_dex_file.h
@@ -19,6 +19,7 @@
 
 #include "base/casts.h"
 #include "dex_file.h"
+#include "dex/compact_dex_debug_info.h"
 
 namespace art {
 
@@ -41,13 +42,45 @@
    private:
     uint32_t feature_flags_ = 0u;
 
+    // Position in the compact dex file for the debug info table data starts.
+    uint32_t debug_info_offsets_pos_ = 0u;
+
+    // Offset into the debug info table data where the lookup table is.
+    uint32_t debug_info_offsets_table_offset_ = 0u;
+
+    // Base offset of where debug info starts in the dex file.
+    uint32_t debug_info_base_ = 0u;
+
+    friend class CompactDexFile;
     friend class CompactDexWriter;
   };
 
+  // Like the standard code item except without a debug info offset.
   struct CodeItem : public DexFile::CodeItem {
+    static constexpr size_t kAlignment = sizeof(uint32_t);
+
    private:
-    // TODO: Insert compact dex specific fields here.
+    CodeItem() = default;
+
+    uint16_t registers_size_;            // the number of registers used by this code
+                                         //   (locals + parameters)
+    uint16_t ins_size_;                  // the number of words of incoming arguments to the method
+                                         //   that this code is for
+    uint16_t outs_size_;                 // the number of words of outgoing argument space required
+                                         //   by this code for method invocation
+    uint16_t tries_size_;                // the number of try_items for this instance. If non-zero,
+                                         //   then these appear as the tries array just after the
+                                         //   insns in this instance.
+
+    uint32_t insns_size_in_code_units_;  // size of the insns array, in 2 byte code units
+    uint16_t insns_[1];                  // actual array of bytecode.
+
+    ART_FRIEND_TEST(CodeItemAccessorsTest, TestDexInstructionsAccessor);
+    friend class CodeItemDataAccessor;
+    friend class CodeItemDebugInfoAccessor;
+    friend class CodeItemInstructionAccessor;
     friend class CompactDexFile;
+    friend class CompactDexWriter;
     DISALLOW_COPY_AND_ASSIGN(CodeItem);
   };
 
@@ -73,25 +106,22 @@
 
   uint32_t GetCodeItemSize(const DexFile::CodeItem& item) const OVERRIDE;
 
+  uint32_t GetDebugInfoOffset(uint32_t dex_method_index) const {
+    return debug_info_offsets_.GetDebugInfoOffset(dex_method_index);
+  }
+
  private:
-  // Not supported yet.
   CompactDexFile(const uint8_t* base,
                  size_t size,
                  const std::string& location,
                  uint32_t location_checksum,
                  const OatDexFile* oat_dex_file,
-                 DexFileContainer* container)
-      : DexFile(base,
-                size,
-                location,
-                location_checksum,
-                oat_dex_file,
-                container,
-                /*is_compact_dex*/ true) {}
+                 DexFileContainer* container);
+
+  CompactDexDebugInfoOffsetTable::Accessor debug_info_offsets_;
 
   friend class DexFile;
   friend class DexFileLoader;
-
   DISALLOW_COPY_AND_ASSIGN(CompactDexFile);
 };
 
diff --git a/runtime/dex/compact_dex_utils.h b/runtime/dex/compact_dex_utils.h
new file mode 100644
index 0000000..1c7e951
--- /dev/null
+++ b/runtime/dex/compact_dex_utils.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_RUNTIME_DEX_COMPACT_DEX_UTILS_H_
+#define ART_RUNTIME_DEX_COMPACT_DEX_UTILS_H_
+
+#include <vector>
+
+#include "base/bit_utils.h"
+
+namespace art {
+
+// Add padding to the end of the array until the size is aligned.
+template <typename T, template<typename> class Allocator>
+static inline void AlignmentPadVector(std::vector<T, Allocator<T>>* dest,
+                                      size_t alignment) {
+  while (!IsAlignedParam(dest->size(), alignment)) {
+    dest->push_back(T());
+  }
+}
+
+}  // namespace art
+
+#endif  // ART_RUNTIME_DEX_COMPACT_DEX_UTILS_H_
diff --git a/runtime/dex/dex_file.h b/runtime/dex/dex_file.h
index c2a36ce..183d84e 100644
--- a/runtime/dex/dex_file.h
+++ b/runtime/dex/dex_file.h
@@ -301,43 +301,12 @@
     DISALLOW_COPY_AND_ASSIGN(CallSiteIdItem);
   };
 
-  // Raw code_item.
+  // Base code_item, compact dex and standard dex have different code item layouts.
   struct CodeItem {
-    // Used when quickening / unquickening.
-    void SetDebugInfoOffset(uint32_t new_offset) {
-      debug_info_off_ = new_offset;
-    }
-
-    uint32_t GetDebugInfoOffset() const {
-      return debug_info_off_;
-    }
-
    protected:
-    uint16_t registers_size_;            // the number of registers used by this code
-                                         //   (locals + parameters)
-    uint16_t ins_size_;                  // the number of words of incoming arguments to the method
-                                         //   that this code is for
-    uint16_t outs_size_;                 // the number of words of outgoing argument space required
-                                         //   by this code for method invocation
-    uint16_t tries_size_;                // the number of try_items for this instance. If non-zero,
-                                         //   then these appear as the tries array just after the
-                                         //   insns in this instance.
-    // Normally holds file offset to debug info stream. In case the method has been quickened
-    // holds an offset in the Vdex file containing both the actual debug_info_off and the
-    // quickening info offset.
-    // Don't use this field directly, use OatFile::GetDebugInfoOffset in general ART code,
-    // or DexFile::GetDebugInfoOffset in code that are not using a Runtime.
-    uint32_t debug_info_off_;
-
-    uint32_t insns_size_in_code_units_;  // size of the insns array, in 2 byte code units
-    uint16_t insns_[1];                  // actual array of bytecode.
+    CodeItem() = default;
 
    private:
-    ART_FRIEND_TEST(CodeItemAccessorsTest, TestDexInstructionsAccessor);
-    friend class CodeItemDataAccessor;
-    friend class CodeItemDebugInfoAccessor;
-    friend class CodeItemInstructionAccessor;
-    friend class VdexFile;  // TODO: Remove this one when it's cleaned up.
     DISALLOW_COPY_AND_ASSIGN(CodeItem);
   };
 
@@ -348,6 +317,8 @@
     uint16_t handler_off_;
 
    private:
+    TryItem() = default;
+    friend class DexWriter;
     DISALLOW_COPY_AND_ASSIGN(TryItem);
   };
 
@@ -712,15 +683,6 @@
     return reinterpret_cast<const CodeItem*>(addr);
   }
 
-  uint32_t GetDebugInfoOffset(const CodeItem* code_item) const {
-    if (code_item == nullptr) {
-      return 0;
-    }
-    CHECK(oat_dex_file_ == nullptr)
-        << "Should only use GetDebugInfoOffset in a non runtime setup";
-    return code_item->GetDebugInfoOffset();
-  }
-
   const char* GetReturnTypeDescriptor(const ProtoId& proto_id) const;
 
   // Returns the number of prototype identifiers in the .dex file.
diff --git a/runtime/dex/dex_file_test.cc b/runtime/dex/dex_file_test.cc
index 1c8b3e4..cb721af 100644
--- a/runtime/dex/dex_file_test.cc
+++ b/runtime/dex/dex_file_test.cc
@@ -738,8 +738,10 @@
   std::unique_ptr<const DexFile> raw = OpenDexFileInMemoryBase64(
       kRawDexDebugInfoLocalNullType, tmp.GetFilename().c_str(), 0xf25f2b38U, true);
   const DexFile::ClassDef& class_def = raw->GetClassDef(0);
-  const DexFile::CodeItem* code_item = raw->GetCodeItem(raw->FindCodeItemOffset(class_def, 1));
-  CodeItemDebugInfoAccessor accessor(*raw, code_item);
+  constexpr uint32_t kMethodIdx = 1;
+  const DexFile::CodeItem* code_item = raw->GetCodeItem(raw->FindCodeItemOffset(class_def,
+                                                                                kMethodIdx));
+  CodeItemDebugInfoAccessor accessor(*raw, code_item, kMethodIdx);
   ASSERT_TRUE(accessor.DecodeDebugLocalInfo(true, 1, Callback, nullptr));
 }
 
diff --git a/runtime/dex/standard_dex_file.h b/runtime/dex/standard_dex_file.h
index fb2f720..6437def 100644
--- a/runtime/dex/standard_dex_file.h
+++ b/runtime/dex/standard_dex_file.h
@@ -33,8 +33,30 @@
   };
 
   struct CodeItem : public DexFile::CodeItem {
+    static constexpr size_t kAlignment = 4;
+
    private:
-    // TODO: Insert standard dex specific fields here.
+    CodeItem() = default;
+
+    uint16_t registers_size_;            // the number of registers used by this code
+                                         //   (locals + parameters)
+    uint16_t ins_size_;                  // the number of words of incoming arguments to the method
+                                         //   that this code is for
+    uint16_t outs_size_;                 // the number of words of outgoing argument space required
+                                         //   by this code for method invocation
+    uint16_t tries_size_;                // the number of try_items for this instance. If non-zero,
+                                         //   then these appear as the tries array just after the
+                                         //   insns in this instance.
+    uint32_t debug_info_off_;            // Holds file offset to debug info stream.
+
+    uint32_t insns_size_in_code_units_;  // size of the insns array, in 2 byte code units
+    uint16_t insns_[1];                  // actual array of bytecode.
+
+    ART_FRIEND_TEST(CodeItemAccessorsTest, TestDexInstructionsAccessor);
+    friend class CodeItemDataAccessor;
+    friend class CodeItemDebugInfoAccessor;
+    friend class CodeItemInstructionAccessor;
+    friend class DexWriter;
     friend class StandardDexFile;
     DISALLOW_COPY_AND_ASSIGN(CodeItem);
   };
@@ -80,6 +102,7 @@
   friend class DexFileVerifierTest;
 
   ART_FRIEND_TEST(ClassLinkerTest, RegisterDexFileName);  // for constructor
+  friend class OptimizingUnitTestHelper;  // for constructor
 
   DISALLOW_COPY_AND_ASSIGN(StandardDexFile);
 };
diff --git a/runtime/dex_to_dex_decompiler.cc b/runtime/dex_to_dex_decompiler.cc
index e1c07ba..7887191 100644
--- a/runtime/dex_to_dex_decompiler.cc
+++ b/runtime/dex_to_dex_decompiler.cc
@@ -36,8 +36,7 @@
                 const ArrayRef<const uint8_t>& quickened_info,
                 bool decompile_return_instruction)
     : code_item_accessor_(dex_file, &code_item),
-      quicken_info_(quickened_info.data()),
-      quicken_info_number_of_indices_(QuickenInfoTable::NumberOfIndices(quickened_info.size())),
+      quicken_info_(quickened_info),
       decompile_return_instruction_(decompile_return_instruction) {}
 
   bool Decompile();
@@ -72,7 +71,7 @@
   }
 
   uint16_t NextIndex() {
-    DCHECK_LT(quicken_index_, quicken_info_number_of_indices_);
+    DCHECK_LT(quicken_index_, quicken_info_.NumIndices());
     const uint16_t ret = quicken_info_.GetData(quicken_index_);
     quicken_index_++;
     return ret;
@@ -80,7 +79,6 @@
 
   const CodeItemInstructionAccessor code_item_accessor_;
   const QuickenInfoTable quicken_info_;
-  const size_t quicken_info_number_of_indices_;
   const bool decompile_return_instruction_;
 
   size_t quicken_index_ = 0u;
@@ -104,7 +102,7 @@
         break;
 
       case Instruction::NOP:
-        if (quicken_info_number_of_indices_ > 0) {
+        if (quicken_info_.NumIndices() > 0) {
           // Only try to decompile NOP if there are more than 0 indices. Not having
           // any index happens when we unquicken a code item that only has
           // RETURN_VOID_NO_BARRIER as quickened instruction.
@@ -181,14 +179,14 @@
     }
   }
 
-  if (quicken_index_ != quicken_info_number_of_indices_) {
+  if (quicken_index_ != quicken_info_.NumIndices()) {
     if (quicken_index_ == 0) {
       LOG(WARNING) << "Failed to use any value in quickening info,"
                    << " potentially due to duplicate methods.";
     } else {
       LOG(FATAL) << "Failed to use all values in quickening info."
                  << " Actual: " << std::hex << quicken_index_
-                 << " Expected: " << quicken_info_number_of_indices_;
+                 << " Expected: " << quicken_info_.NumIndices();
       return false;
     }
   }
diff --git a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
index a32c717..f727690 100644
--- a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
@@ -1294,9 +1294,9 @@
         // with the interpreter.
         code = GetQuickToInterpreterBridge();
       } else if (invoke_type == kStatic) {
-        // Class is still initializing. The entrypoint contains the trampoline, so we cannot return
-        // it. Instead, ask the class linker what is the actual code that needs to be invoked.
-        code = linker->GetQuickEntrypointFor(called);
+        // Class is still initializing, go to oat and grab code (trampoline must be left in place
+        // until class is initialized to stop races between threads).
+        code = linker->GetQuickOatCodeFor(called);
       } else {
         // No trampoline for non-static methods.
         code = called->GetEntryPointFromQuickCompiledCode();
diff --git a/runtime/instrumentation.cc b/runtime/instrumentation.cc
index 2a1f219..4524448 100644
--- a/runtime/instrumentation.cc
+++ b/runtime/instrumentation.cc
@@ -167,7 +167,7 @@
       if (NeedDebugVersionFor(method)) {
         new_quick_code = GetQuickToInterpreterBridge();
       } else {
-        new_quick_code = class_linker->GetQuickEntrypointFor(method);
+        new_quick_code = class_linker->GetQuickOatCodeFor(method);
       }
     } else {
       new_quick_code = GetQuickResolutionStub();
@@ -188,7 +188,7 @@
         } else if (entry_exit_stubs_installed_) {
           new_quick_code = GetQuickInstrumentationEntryPoint();
         } else {
-          new_quick_code = class_linker->GetQuickEntrypointFor(method);
+          new_quick_code = class_linker->GetQuickOatCodeFor(method);
         }
       } else {
         new_quick_code = GetQuickResolutionStub();
@@ -877,7 +877,7 @@
     } else {
       const void* quick_code = NeedDebugVersionFor(method)
           ? GetQuickToInterpreterBridge()
-          : class_linker->GetQuickEntrypointFor(method);
+          : class_linker->GetQuickOatCodeFor(method);
       UpdateEntrypoints(method, quick_code);
     }
 
@@ -971,7 +971,7 @@
       return code;
     }
   }
-  return class_linker->GetQuickEntrypointFor(method);
+  return class_linker->GetQuickOatCodeFor(method);
 }
 
 void Instrumentation::MethodEnterEventImpl(Thread* thread,
diff --git a/runtime/native/dalvik_system_VMStack.cc b/runtime/native/dalvik_system_VMStack.cc
index 3e8040b..ed0eb97 100644
--- a/runtime/native/dalvik_system_VMStack.cc
+++ b/runtime/native/dalvik_system_VMStack.cc
@@ -160,12 +160,22 @@
   return Thread::InternalStackTraceToStackTraceElementArray(soa, trace);
 }
 
+static jobjectArray VMStack_getAnnotatedThreadStackTrace(JNIEnv* env, jclass, jobject javaThread) {
+  ScopedFastNativeObjectAccess soa(env);
+  auto fn = [](Thread* thread, const ScopedFastNativeObjectAccess& soaa)
+      REQUIRES_SHARED(Locks::mutator_lock_) -> jobjectArray {
+    return thread->CreateAnnotatedStackTrace(soaa);
+  };
+  return GetThreadStack(soa, javaThread, fn);
+}
+
 static JNINativeMethod gMethods[] = {
   FAST_NATIVE_METHOD(VMStack, fillStackTraceElements, "(Ljava/lang/Thread;[Ljava/lang/StackTraceElement;)I"),
   FAST_NATIVE_METHOD(VMStack, getCallingClassLoader, "()Ljava/lang/ClassLoader;"),
   FAST_NATIVE_METHOD(VMStack, getClosestUserClassLoader, "()Ljava/lang/ClassLoader;"),
   FAST_NATIVE_METHOD(VMStack, getStackClass2, "()Ljava/lang/Class;"),
   FAST_NATIVE_METHOD(VMStack, getThreadStackTrace, "(Ljava/lang/Thread;)[Ljava/lang/StackTraceElement;"),
+  FAST_NATIVE_METHOD(VMStack, getAnnotatedThreadStackTrace, "(Ljava/lang/Thread;)[Ldalvik/system/AnnotatedStackTraceElement;"),
 };
 
 void register_dalvik_system_VMStack(JNIEnv* env) {
diff --git a/runtime/oat_file.cc b/runtime/oat_file.cc
index 446a004..c03dbcc 100644
--- a/runtime/oat_file.cc
+++ b/runtime/oat_file.cc
@@ -1535,21 +1535,6 @@
   }
 }
 
-uint32_t OatFile::GetDebugInfoOffset(const DexFile& dex_file, uint32_t debug_info_off) {
-  // Note that although the specification says that 0 should be used if there
-  // is no debug information, some applications incorrectly use 0xFFFFFFFF.
-  // The following check also handles debug_info_off == 0.
-  if (debug_info_off < dex_file.Size() || debug_info_off == 0xFFFFFFFF) {
-    return debug_info_off;
-  }
-  const OatFile::OatDexFile* oat_dex_file = dex_file.GetOatDexFile();
-  if (oat_dex_file == nullptr || (oat_dex_file->GetOatFile() == nullptr)) {
-    return debug_info_off;
-  }
-  return oat_dex_file->GetOatFile()->GetVdexFile()->GetDebugInfoOffset(
-      dex_file, debug_info_off);
-}
-
 const OatFile::OatDexFile* OatFile::GetOatDexFile(const char* dex_location,
                                                   const uint32_t* dex_location_checksum,
                                                   std::string* error_msg) const {
diff --git a/runtime/oat_file.h b/runtime/oat_file.h
index e9f7edc..bf22e0b 100644
--- a/runtime/oat_file.h
+++ b/runtime/oat_file.h
@@ -115,10 +115,6 @@
                                const char* abs_dex_location,
                                std::string* error_msg);
 
-  // Return the actual debug info offset for an offset that might be actually pointing to
-  // dequickening info. The returned debug info offset is the one originally in the the dex file.
-  static uint32_t GetDebugInfoOffset(const DexFile& dex_file, uint32_t debug_info_off);
-
   virtual ~OatFile();
 
   bool IsExecutable() const {
diff --git a/runtime/quicken_info.h b/runtime/quicken_info.h
index ce11f3c..52eca61 100644
--- a/runtime/quicken_info.h
+++ b/runtime/quicken_info.h
@@ -17,15 +17,93 @@
 #ifndef ART_RUNTIME_QUICKEN_INFO_H_
 #define ART_RUNTIME_QUICKEN_INFO_H_
 
+#include "base/array_ref.h"
 #include "dex/dex_instruction.h"
+#include "leb128.h"
 
 namespace art {
 
-// QuickenInfoTable is a table of 16 bit dex indices. There is one slot fo every instruction that is
-// possibly dequickenable.
+// Table for getting the offset of quicken info. Doesn't have one slot for each index, so a
+// combination of iteration and indexing is required to get the quicken info for a given dex method
+// index.
+class QuickenInfoOffsetTableAccessor {
+ public:
+  using TableType = uint32_t;
+  static constexpr uint32_t kElementsPerIndex = 16;
+
+  class Builder {
+   public:
+    explicit Builder(std::vector<uint8_t>* out_data) : out_data_(out_data) {}
+
+    void AddOffset(uint32_t index) {
+      out_data_->insert(out_data_->end(),
+                        reinterpret_cast<const uint8_t*>(&index),
+                        reinterpret_cast<const uint8_t*>(&index + 1));
+    }
+
+   private:
+    std::vector<uint8_t>* const out_data_;
+  };
+
+  // The table only covers every kElementsPerIndex indices.
+  static bool IsCoveredIndex(uint32_t index) {
+    return index % kElementsPerIndex == 0;
+  }
+
+  explicit QuickenInfoOffsetTableAccessor(const uint8_t* data, uint32_t max_index)
+      : table_(reinterpret_cast<const uint32_t*>(data)),
+        num_indices_(RoundUp(max_index, kElementsPerIndex) / kElementsPerIndex) {}
+
+  size_t SizeInBytes() const {
+    return NumIndices() * sizeof(table_[0]);
+  }
+
+  uint32_t NumIndices() const {
+    return num_indices_;
+  }
+
+  // Returns the offset for the index at or before the desired index. If the offset is for an index
+  // before the desired one, remainder is how many elements to traverse to reach the desired index.
+  TableType ElementOffset(uint32_t index, uint32_t* remainder) const {
+    *remainder = index % kElementsPerIndex;
+    return table_[index / kElementsPerIndex];
+  }
+
+  const uint8_t* DataEnd() const {
+    return reinterpret_cast<const uint8_t*>(table_ + NumIndices());
+  }
+
+  static uint32_t Alignment() {
+    return alignof(TableType);
+  }
+
+ private:
+  const TableType* table_;
+  uint32_t num_indices_;
+};
+
+// QuickenInfoTable is a table of 16 bit dex indices. There is one slot for every instruction that
+// is possibly dequickenable.
 class QuickenInfoTable {
  public:
-  explicit QuickenInfoTable(const uint8_t* data) : data_(data) {}
+  class Builder {
+   public:
+    Builder(std::vector<uint8_t>* out_data, size_t num_elements) : out_data_(out_data) {
+      EncodeUnsignedLeb128(out_data_, num_elements);
+    }
+
+    void AddIndex(uint16_t index) {
+      out_data_->push_back(static_cast<uint8_t>(index));
+      out_data_->push_back(static_cast<uint8_t>(index >> 8));
+    }
+
+   private:
+    std::vector<uint8_t>* const out_data_;
+  };
+
+  explicit QuickenInfoTable(ArrayRef<const uint8_t> data)
+      : data_(data.data()),
+        num_elements_(!data.empty() ? DecodeUnsignedLeb128(&data_) : 0u) {}
 
   bool IsNull() const {
     return data_ == nullptr;
@@ -44,8 +122,18 @@
     return bytes / sizeof(uint16_t);
   }
 
+  static size_t SizeInBytes(ArrayRef<const uint8_t> data) {
+    QuickenInfoTable table(data);
+    return table.data_ + table.NumIndices() * 2 - data.data();
+  }
+
+  uint32_t NumIndices() const {
+    return num_elements_;
+  }
+
  private:
-  const uint8_t* const data_;
+  const uint8_t* data_;
+  const uint32_t num_elements_;
 
   DISALLOW_COPY_AND_ASSIGN(QuickenInfoTable);
 };
diff --git a/runtime/thread.cc b/runtime/thread.cc
index 9f4e544..46cb751 100644
--- a/runtime/thread.cc
+++ b/runtime/thread.cc
@@ -2743,6 +2743,199 @@
   return result;
 }
 
+jobjectArray Thread::CreateAnnotatedStackTrace(const ScopedObjectAccessAlreadyRunnable& soa) const {
+  // This code allocates. Do not allow it to operate with a pending exception.
+  if (IsExceptionPending()) {
+    return nullptr;
+  }
+
+  // If flip_function is not null, it means we have run a checkpoint
+  // before the thread wakes up to execute the flip function and the
+  // thread roots haven't been forwarded.  So the following access to
+  // the roots (locks or methods in the frames) would be bad. Run it
+  // here. TODO: clean up.
+  // Note: copied from DumpJavaStack.
+  {
+    Thread* this_thread = const_cast<Thread*>(this);
+    Closure* flip_func = this_thread->GetFlipFunction();
+    if (flip_func != nullptr) {
+      flip_func->Run(this_thread);
+    }
+  }
+
+  class CollectFramesAndLocksStackVisitor : public MonitorObjectsStackVisitor {
+   public:
+    CollectFramesAndLocksStackVisitor(const ScopedObjectAccessAlreadyRunnable& soaa_in,
+                                      Thread* self,
+                                      Context* context)
+        : MonitorObjectsStackVisitor(self, context),
+          wait_jobject_(soaa_in.Env(), nullptr),
+          block_jobject_(soaa_in.Env(), nullptr),
+          soaa_(soaa_in) {}
+
+   protected:
+    VisitMethodResult StartMethod(ArtMethod* m, size_t frame_nr ATTRIBUTE_UNUSED)
+        OVERRIDE
+        REQUIRES_SHARED(Locks::mutator_lock_) {
+      ObjPtr<mirror::StackTraceElement> obj = CreateStackTraceElement(
+          soaa_, m, GetDexPc(/* abort on error */ false));
+      if (obj == nullptr) {
+        return VisitMethodResult::kEndStackWalk;
+      }
+      stack_trace_elements_.emplace_back(soaa_.Env(), soaa_.AddLocalReference<jobject>(obj.Ptr()));
+      return VisitMethodResult::kContinueMethod;
+    }
+
+    VisitMethodResult EndMethod(ArtMethod* m ATTRIBUTE_UNUSED) OVERRIDE {
+      lock_objects_.push_back({});
+      lock_objects_[lock_objects_.size() - 1].swap(frame_lock_objects_);
+
+      DCHECK_EQ(lock_objects_.size(), stack_trace_elements_.size());
+
+      return VisitMethodResult::kContinueMethod;
+    }
+
+    void VisitWaitingObject(mirror::Object* obj, ThreadState state ATTRIBUTE_UNUSED)
+        OVERRIDE
+        REQUIRES_SHARED(Locks::mutator_lock_) {
+      wait_jobject_.reset(soaa_.AddLocalReference<jobject>(obj));
+    }
+    void VisitSleepingObject(mirror::Object* obj)
+        OVERRIDE
+        REQUIRES_SHARED(Locks::mutator_lock_) {
+      wait_jobject_.reset(soaa_.AddLocalReference<jobject>(obj));
+    }
+    void VisitBlockedOnObject(mirror::Object* obj,
+                              ThreadState state ATTRIBUTE_UNUSED,
+                              uint32_t owner_tid ATTRIBUTE_UNUSED)
+        OVERRIDE
+        REQUIRES_SHARED(Locks::mutator_lock_) {
+      block_jobject_.reset(soaa_.AddLocalReference<jobject>(obj));
+    }
+    void VisitLockedObject(mirror::Object* obj)
+        OVERRIDE
+        REQUIRES_SHARED(Locks::mutator_lock_) {
+      frame_lock_objects_.emplace_back(soaa_.Env(), soaa_.AddLocalReference<jobject>(obj));
+    }
+
+   public:
+    std::vector<ScopedLocalRef<jobject>> stack_trace_elements_;
+    ScopedLocalRef<jobject> wait_jobject_;
+    ScopedLocalRef<jobject> block_jobject_;
+    std::vector<std::vector<ScopedLocalRef<jobject>>> lock_objects_;
+
+   private:
+    const ScopedObjectAccessAlreadyRunnable& soaa_;
+
+    std::vector<ScopedLocalRef<jobject>> frame_lock_objects_;
+  };
+
+  std::unique_ptr<Context> context(Context::Create());
+  CollectFramesAndLocksStackVisitor dumper(soa, const_cast<Thread*>(this), context.get());
+  dumper.WalkStack();
+
+  // There should not be a pending exception. Otherwise, return with it pending.
+  if (IsExceptionPending()) {
+    return nullptr;
+  }
+
+  // Now go and create Java arrays.
+
+  ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
+
+  StackHandleScope<6> hs(soa.Self());
+  mirror::Class* aste_array_class = class_linker->FindClass(
+      soa.Self(),
+      "[Ldalvik/system/AnnotatedStackTraceElement;",
+      ScopedNullHandle<mirror::ClassLoader>());
+  if (aste_array_class == nullptr) {
+    return nullptr;
+  }
+  Handle<mirror::Class> h_aste_array_class(hs.NewHandle<mirror::Class>(aste_array_class));
+
+  mirror::Class* o_array_class = class_linker->FindClass(soa.Self(),
+                                                         "[Ljava/lang/Object;",
+                                                         ScopedNullHandle<mirror::ClassLoader>());
+  if (o_array_class == nullptr) {
+    // This should not fail in a healthy runtime.
+    soa.Self()->AssertPendingException();
+    return nullptr;
+  }
+  Handle<mirror::Class> h_o_array_class(hs.NewHandle<mirror::Class>(o_array_class));
+
+  Handle<mirror::Class> h_aste_class(hs.NewHandle<mirror::Class>(
+      h_aste_array_class->GetComponentType()));
+  ArtField* stack_trace_element_field = h_aste_class->FindField(
+      soa.Self(), h_aste_class.Get(), "stackTraceElement", "Ljava/lang/StackTraceElement;");
+  DCHECK(stack_trace_element_field != nullptr);
+  ArtField* held_locks_field = h_aste_class->FindField(
+        soa.Self(), h_aste_class.Get(), "heldLocks", "[Ljava/lang/Object;");
+  DCHECK(held_locks_field != nullptr);
+  ArtField* blocked_on_field = h_aste_class->FindField(
+        soa.Self(), h_aste_class.Get(), "blockedOn", "Ljava/lang/Object;");
+  DCHECK(blocked_on_field != nullptr);
+
+  size_t length = dumper.stack_trace_elements_.size();
+  ObjPtr<mirror::ObjectArray<mirror::Object>> array =
+      mirror::ObjectArray<mirror::Object>::Alloc(soa.Self(), aste_array_class, length);
+  if (array == nullptr) {
+    soa.Self()->AssertPendingOOMException();
+    return nullptr;
+  }
+
+  ScopedLocalRef<jobjectArray> result(soa.Env(), soa.Env()->AddLocalReference<jobjectArray>(array));
+
+  MutableHandle<mirror::Object> handle(hs.NewHandle<mirror::Object>(nullptr));
+  MutableHandle<mirror::ObjectArray<mirror::Object>> handle2(
+      hs.NewHandle<mirror::ObjectArray<mirror::Object>>(nullptr));
+  for (size_t i = 0; i != length; ++i) {
+    handle.Assign(h_aste_class->AllocObject(soa.Self()));
+    if (handle == nullptr) {
+      soa.Self()->AssertPendingOOMException();
+      return nullptr;
+    }
+
+    // Set stack trace element.
+    stack_trace_element_field->SetObject<false>(
+        handle.Get(), soa.Decode<mirror::Object>(dumper.stack_trace_elements_[i].get()));
+
+    // Create locked-on array.
+    if (!dumper.lock_objects_[i].empty()) {
+      handle2.Assign(mirror::ObjectArray<mirror::Object>::Alloc(soa.Self(),
+                                                                h_o_array_class.Get(),
+                                                                dumper.lock_objects_[i].size()));
+      if (handle2 == nullptr) {
+        soa.Self()->AssertPendingOOMException();
+        return nullptr;
+      }
+      int32_t j = 0;
+      for (auto& scoped_local : dumper.lock_objects_[i]) {
+        if (scoped_local == nullptr) {
+          continue;
+        }
+        handle2->Set(j, soa.Decode<mirror::Object>(scoped_local.get()));
+        DCHECK(!soa.Self()->IsExceptionPending());
+        j++;
+      }
+      held_locks_field->SetObject<false>(handle.Get(), handle2.Get());
+    }
+
+    // Set blocked-on object.
+    if (i == 0) {
+      if (dumper.block_jobject_ != nullptr) {
+        blocked_on_field->SetObject<false>(
+            handle.Get(), soa.Decode<mirror::Object>(dumper.block_jobject_.get()));
+      }
+    }
+
+    ScopedLocalRef<jobject> elem(soa.Env(), soa.AddLocalReference<jobject>(handle.Get()));
+    soa.Env()->SetObjectArrayElement(result.get(), i, elem.get());
+    DCHECK(!soa.Self()->IsExceptionPending());
+  }
+
+  return result.release();
+}
+
 void Thread::ThrowNewExceptionF(const char* exception_class_descriptor, const char* fmt, ...) {
   va_list args;
   va_start(args, fmt);
diff --git a/runtime/thread.h b/runtime/thread.h
index 1e89887..426d27d 100644
--- a/runtime/thread.h
+++ b/runtime/thread.h
@@ -599,6 +599,9 @@
       jobjectArray output_array = nullptr, int* stack_depth = nullptr)
       REQUIRES_SHARED(Locks::mutator_lock_);
 
+  jobjectArray CreateAnnotatedStackTrace(const ScopedObjectAccessAlreadyRunnable& soa) const
+      REQUIRES_SHARED(Locks::mutator_lock_);
+
   bool HasDebuggerShadowFrames() const {
     return tlsPtr_.frame_id_to_shadow_frame != nullptr;
   }
diff --git a/runtime/vdex_file.cc b/runtime/vdex_file.cc
index c16cfb6..118cffe 100644
--- a/runtime/vdex_file.cc
+++ b/runtime/vdex_file.cc
@@ -29,6 +29,7 @@
 #include "dex/dex_file.h"
 #include "dex/dex_file_loader.h"
 #include "dex_to_dex_decompiler.h"
+#include "quicken_info.h"
 
 namespace art {
 
@@ -144,9 +145,8 @@
     if (!vdex->OpenAllDexFiles(&unique_ptr_dex_files, error_msg)) {
       return nullptr;
     }
-    Unquicken(MakeNonOwningPointerVector(unique_ptr_dex_files),
-              vdex->GetQuickeningInfo(),
-              /* decompile_return_instruction */ false);
+    vdex->Unquicken(MakeNonOwningPointerVector(unique_ptr_dex_files),
+                    /* decompile_return_instruction */ false);
     // Update the quickening info size to pretend there isn't any.
     reinterpret_cast<Header*>(vdex->mmap_->Begin())->quickening_info_size_ = 0;
   }
@@ -159,14 +159,15 @@
   DCHECK(cursor == nullptr || (cursor > Begin() && cursor <= End()));
   if (cursor == nullptr) {
     // Beginning of the iteration, return the first dex file if there is one.
-    return HasDexSection() ? DexBegin() : nullptr;
+    return HasDexSection() ? DexBegin() + sizeof(QuickeningTableOffsetType) : nullptr;
   } else {
     // Fetch the next dex file. Return null if there is none.
     const uint8_t* data = cursor + reinterpret_cast<const DexFile::Header*>(cursor)->file_size_;
     // Dex files are required to be 4 byte aligned. the OatWriter makes sure they are, see
     // OatWriter::SeekToDexFiles.
     data = AlignUp(data, 4);
-    return (data == DexEnd()) ? nullptr : data;
+
+    return (data == DexEnd()) ? nullptr : data + sizeof(QuickeningTableOffsetType);
   }
 }
 
@@ -197,64 +198,68 @@
   return true;
 }
 
-void VdexFile::Unquicken(const std::vector<const DexFile*>& dex_files,
-                         ArrayRef<const uint8_t> quickening_info,
-                         bool decompile_return_instruction) {
-  if (quickening_info.size() == 0 && !decompile_return_instruction) {
-    // Bail early if there is no quickening info and no need to decompile
-    // RETURN_VOID_NO_BARRIER instructions to RETURN_VOID instructions.
-    return;
+void VdexFile::Unquicken(const std::vector<const DexFile*>& target_dex_files,
+                         bool decompile_return_instruction) const {
+  const uint8_t* source_dex = GetNextDexFileData(nullptr);
+  for (const DexFile* target_dex : target_dex_files) {
+    UnquickenDexFile(*target_dex, source_dex, decompile_return_instruction);
+    source_dex = GetNextDexFileData(source_dex);
   }
-
-  for (uint32_t i = 0; i < dex_files.size(); ++i) {
-    UnquickenDexFile(*dex_files[i], quickening_info, decompile_return_instruction);
-  }
+  DCHECK(source_dex == nullptr);
 }
 
-typedef __attribute__((__aligned__(1))) uint32_t unaligned_uint32_t;
-
-static uint32_t GetDebugInfoOffsetInternal(const DexFile& dex_file,
-                                           uint32_t offset_in_code_item,
-                                           const ArrayRef<const uint8_t>& quickening_info) {
-  if (quickening_info.size() == 0) {
-    // No quickening info: offset is the right one, return it.
-    return offset_in_code_item;
-  }
-  uint32_t quickening_offset = offset_in_code_item - dex_file.Size();
-  return *reinterpret_cast<const unaligned_uint32_t*>(quickening_info.data() + quickening_offset);
+uint32_t VdexFile::GetQuickeningInfoTableOffset(const uint8_t* source_dex_begin) const {
+  DCHECK_GE(source_dex_begin, DexBegin());
+  DCHECK_LT(source_dex_begin, DexEnd());
+  return reinterpret_cast<const QuickeningTableOffsetType*>(source_dex_begin)[-1];
 }
 
-static uint32_t GetQuickeningInfoOffsetFrom(const DexFile& dex_file,
-                                            uint32_t offset_in_code_item,
-                                            const ArrayRef<const uint8_t>& quickening_info) {
-  if (offset_in_code_item < dex_file.Size()) {
-    return VdexFile::kNoQuickeningInfoOffset;
-  }
-  if (quickening_info.size() == 0) {
-    // No quickening info.
-    return VdexFile::kNoQuickeningInfoOffset;
-  }
-  uint32_t quickening_offset = offset_in_code_item - dex_file.Size();
+QuickenInfoOffsetTableAccessor VdexFile::GetQuickenInfoOffsetTable(
+    const uint8_t* source_dex_begin,
+    uint32_t num_method_ids,
+    const ArrayRef<const uint8_t>& quickening_info) const {
+  // The offset a is in preheader right before the dex file.
+  const uint32_t offset = GetQuickeningInfoTableOffset(source_dex_begin);
+  const uint8_t* data_ptr = quickening_info.data() + offset;
+  return QuickenInfoOffsetTableAccessor(data_ptr, num_method_ids);
+}
 
-  // Add 2 * sizeof(uint32_t) for the debug info offset and the data offset.
-  CHECK_LE(quickening_offset + 2 * sizeof(uint32_t), quickening_info.size());
-  return *reinterpret_cast<const unaligned_uint32_t*>(
-      quickening_info.data() + quickening_offset + sizeof(uint32_t));
+QuickenInfoOffsetTableAccessor VdexFile::GetQuickenInfoOffsetTable(
+    const DexFile& dex_file,
+    const ArrayRef<const uint8_t>& quickening_info) const {
+  return GetQuickenInfoOffsetTable(dex_file.Begin(), dex_file.NumMethodIds(), quickening_info);
 }
 
 static ArrayRef<const uint8_t> GetQuickeningInfoAt(const ArrayRef<const uint8_t>& quickening_info,
                                                    uint32_t quickening_offset) {
-  return (quickening_offset == VdexFile::kNoQuickeningInfoOffset)
-      ? ArrayRef<const uint8_t>(nullptr, 0)
-      : quickening_info.SubArray(
-            quickening_offset + sizeof(uint32_t),
-            *reinterpret_cast<const unaligned_uint32_t*>(
-                quickening_info.data() + quickening_offset));
+  ArrayRef<const uint8_t> remaining = quickening_info.SubArray(quickening_offset);
+  return remaining.SubArray(0u, QuickenInfoTable::SizeInBytes(remaining));
+}
+
+static uint32_t GetQuickeningInfoOffset(const QuickenInfoOffsetTableAccessor& table,
+                                        uint32_t dex_method_index,
+                                        const ArrayRef<const uint8_t>& quickening_info) {
+  DCHECK(!quickening_info.empty());
+  uint32_t remainder;
+  uint32_t offset = table.ElementOffset(dex_method_index, &remainder);
+  // Decode the sizes for the remainder offsets (not covered by the table).
+  while (remainder != 0) {
+    offset += GetQuickeningInfoAt(quickening_info, offset).size();
+    --remainder;
+  }
+  return offset;
 }
 
 void VdexFile::UnquickenDexFile(const DexFile& target_dex_file,
-                                ArrayRef<const uint8_t> quickening_info,
-                                bool decompile_return_instruction) {
+                                const DexFile& source_dex_file,
+                                bool decompile_return_instruction) const {
+  UnquickenDexFile(target_dex_file, source_dex_file.Begin(), decompile_return_instruction);
+}
+
+void VdexFile::UnquickenDexFile(const DexFile& target_dex_file,
+                                const uint8_t* source_dex_begin,
+                                bool decompile_return_instruction) const {
+  ArrayRef<const uint8_t> quickening_info = GetQuickeningInfo();
   if (quickening_info.size() == 0 && !decompile_return_instruction) {
     // Bail early if there is no quickening info and no need to decompile
     // RETURN_VOID_NO_BARRIER instructions to RETURN_VOID instructions.
@@ -269,19 +274,20 @@
            class_it.Next()) {
         if (class_it.IsAtMethod() && class_it.GetMethodCodeItem() != nullptr) {
           const DexFile::CodeItem* code_item = class_it.GetMethodCodeItem();
-          uint32_t quickening_offset = GetQuickeningInfoOffsetFrom(
-              target_dex_file, code_item->debug_info_off_, quickening_info);
-          if (quickening_offset != VdexFile::kNoQuickeningInfoOffset) {
-            // If we have quickening data, put back the original debug_info_off.
-            const_cast<DexFile::CodeItem*>(code_item)->SetDebugInfoOffset(
-                GetDebugInfoOffsetInternal(target_dex_file,
-                                           code_item->debug_info_off_,
-                                           quickening_info));
+          ArrayRef<const uint8_t> quicken_data;
+          if (!quickening_info.empty()) {
+            const uint32_t quickening_offset = GetQuickeningInfoOffset(
+                GetQuickenInfoOffsetTable(source_dex_begin,
+                                          target_dex_file.NumMethodIds(),
+                                          quickening_info),
+                class_it.GetMemberIndex(),
+                quickening_info);
+            quicken_data = GetQuickeningInfoAt(quickening_info, quickening_offset);
           }
           optimizer::ArtDecompileDEX(
               target_dex_file,
               *code_item,
-              GetQuickeningInfoAt(quickening_info, quickening_offset),
+              quicken_data,
               decompile_return_instruction);
         }
       }
@@ -289,25 +295,17 @@
   }
 }
 
-uint32_t VdexFile::GetDebugInfoOffset(const DexFile& dex_file, uint32_t offset_in_code_item) const {
-  return GetDebugInfoOffsetInternal(dex_file, offset_in_code_item, GetQuickeningInfo());
-}
-
-const uint8_t* VdexFile::GetQuickenedInfoOf(const DexFile& dex_file,
-                                            uint32_t code_item_offset) const {
+ArrayRef<const uint8_t> VdexFile::GetQuickenedInfoOf(const DexFile& dex_file,
+                                                     uint32_t dex_method_idx) const {
   ArrayRef<const uint8_t> quickening_info = GetQuickeningInfo();
-  uint32_t quickening_offset = GetQuickeningInfoOffsetFrom(
-      dex_file, dex_file.GetCodeItem(code_item_offset)->debug_info_off_, quickening_info);
-
-  return GetQuickeningInfoAt(quickening_info, quickening_offset).data();
-}
-
-bool VdexFile::CanEncodeQuickenedData(const DexFile& dex_file) {
-  // We are going to use the debug_info_off_ to signal there is
-  // quickened data, by putting a value greater than dex_file.Size(). So
-  // make sure we have some room in the offset by checking that we have at least
-  // half of the range of a uint32_t.
-  return dex_file.Size() <= (std::numeric_limits<uint32_t>::max() >> 1);
+  if (quickening_info.empty()) {
+    return ArrayRef<const uint8_t>();
+  }
+  const uint32_t quickening_offset = GetQuickeningInfoOffset(
+      GetQuickenInfoOffsetTable(dex_file, quickening_info),
+      dex_method_idx,
+      quickening_info);
+  return GetQuickeningInfoAt(quickening_info, quickening_offset);
 }
 
 }  // namespace art
diff --git a/runtime/vdex_file.h b/runtime/vdex_file.h
index f78335d..4687a39 100644
--- a/runtime/vdex_file.h
+++ b/runtime/vdex_file.h
@@ -24,6 +24,7 @@
 #include "base/macros.h"
 #include "mem_map.h"
 #include "os.h"
+#include "quicken_info.h"
 
 namespace art {
 
@@ -35,18 +36,17 @@
 // File format:
 //   VdexFile::Header    fixed-length header
 //
-//   DEX[0]              array of the input DEX files
-//   DEX[1]              the bytecode may have been quickened
+//   quicken_table_off[0]  offset into QuickeningInfo section for offset table for DEX[0].
+//   DEX[0]                array of the input DEX files, the bytecode may have been quickened.
+//   quicken_table_off[1]
+//   DEX[1]
 //   ...
 //   DEX[D]
 //   VerifierDeps
 //      uint8[D][]                 verification dependencies
 //   QuickeningInfo
 //     uint8[D][]                  quickening data
-//     unaligned_uint32_t[D][2][]  table of offsets pair:
-//                                   uint32_t[0] contains original CodeItem::debug_info_off_
-//                                   uint32_t[1] contains quickening data offset from the start
-//                                                of QuickeningInfo
+//     uint32[D][]                 quickening data offset tables
 
 class VdexFile {
  public:
@@ -84,8 +84,8 @@
 
    private:
     static constexpr uint8_t kVdexMagic[] = { 'v', 'd', 'e', 'x' };
-    // Last update: Lookup-friendly encoding for quickening info.
-    static constexpr uint8_t kVdexVersion[] = { '0', '1', '1', '\0' };
+    // Last update: Side table for debug info offsets in compact dex.
+    static constexpr uint8_t kVdexVersion[] = { '0', '1', '4', '\0' };
 
     uint8_t magic_[4];
     uint8_t version_[4];
@@ -98,6 +98,7 @@
   };
 
   typedef uint32_t VdexChecksum;
+  using QuickeningTableOffsetType = uint32_t;
 
   explicit VdexFile(MemMap* mmap) : mmap_(mmap) {}
 
@@ -204,29 +205,42 @@
   // `decompile_return_instruction` controls if RETURN_VOID_BARRIER instructions are
   // decompiled to RETURN_VOID instructions using the slower ClassDataItemIterator
   // instead of the faster QuickeningInfoIterator.
-  static void Unquicken(const std::vector<const DexFile*>& dex_files,
-                        ArrayRef<const uint8_t> quickening_info,
-                        bool decompile_return_instruction);
+  // Always unquickens using the vdex dex files as the source for quicken tables.
+  void Unquicken(const std::vector<const DexFile*>& target_dex_files,
+                 bool decompile_return_instruction) const;
 
   // Fully unquicken `target_dex_file` based on `quickening_info`.
-  static void UnquickenDexFile(const DexFile& target_dex_file,
-                               ArrayRef<const uint8_t> quickening_info,
-                               bool decompile_return_instruction);
+  void UnquickenDexFile(const DexFile& target_dex_file,
+                        const DexFile& source_dex_file,
+                        bool decompile_return_instruction) const;
 
-  // Return the quickening info of the given code item.
-  const uint8_t* GetQuickenedInfoOf(const DexFile& dex_file, uint32_t code_item_offset) const;
-
-  uint32_t GetDebugInfoOffset(const DexFile& dex_file, uint32_t offset_in_code_item) const;
-
-  static bool CanEncodeQuickenedData(const DexFile& dex_file);
-
-  static constexpr uint32_t kNoQuickeningInfoOffset = -1;
+  // Return the quickening info of a given method index (or null if it's empty).
+  ArrayRef<const uint8_t> GetQuickenedInfoOf(const DexFile& dex_file,
+                                             uint32_t dex_method_idx) const;
 
  private:
+  uint32_t GetQuickeningInfoTableOffset(const uint8_t* source_dex_begin) const;
+
+  // Source dex must be the in the vdex file.
+  void UnquickenDexFile(const DexFile& target_dex_file,
+                        const uint8_t* source_dex_begin,
+                        bool decompile_return_instruction) const;
+
+  QuickenInfoOffsetTableAccessor GetQuickenInfoOffsetTable(
+        const DexFile& dex_file,
+        const ArrayRef<const uint8_t>& quickening_info) const;
+
+  QuickenInfoOffsetTableAccessor GetQuickenInfoOffsetTable(
+      const uint8_t* source_dex_begin,
+      uint32_t num_method_ids,
+      const ArrayRef<const uint8_t>& quickening_info) const;
+
   bool HasDexSection() const {
     return GetHeader().GetDexSize() != 0;
   }
 
+  bool ContainsDexFile(const DexFile& dex_file) const;
+
   const uint8_t* DexBegin() const {
     return Begin() + sizeof(Header) + GetHeader().GetSizeOfChecksumsSection();
   }
@@ -235,8 +249,6 @@
     return DexBegin() + GetHeader().GetDexSize();
   }
 
-  uint32_t GetDexFileIndex(const DexFile& dex_file) const;
-
   std::unique_ptr<MemMap> mmap_;
 
   DISALLOW_COPY_AND_ASSIGN(VdexFile);
diff --git a/test/168-vmstack-annotated/expected.txt b/test/168-vmstack-annotated/expected.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/168-vmstack-annotated/expected.txt
diff --git a/test/168-vmstack-annotated/info.txt b/test/168-vmstack-annotated/info.txt
new file mode 100644
index 0000000..d849bc3
--- /dev/null
+++ b/test/168-vmstack-annotated/info.txt
@@ -0,0 +1 @@
+Regression test for b/68703210
diff --git a/test/168-vmstack-annotated/run b/test/168-vmstack-annotated/run
new file mode 100644
index 0000000..9365411
--- /dev/null
+++ b/test/168-vmstack-annotated/run
@@ -0,0 +1,18 @@
+#!/bin/bash
+#
+# Copyright (C) 2017 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Use a smaller heap so it's easier to potentially fill up.
+exec ${RUN} $@ --runtime-option -Xmx2m
diff --git a/test/168-vmstack-annotated/src/Main.java b/test/168-vmstack-annotated/src/Main.java
new file mode 100644
index 0000000..8234f94
--- /dev/null
+++ b/test/168-vmstack-annotated/src/Main.java
@@ -0,0 +1,225 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.lang.Thread.State;
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.BrokenBarrierException;
+import java.util.concurrent.CyclicBarrier;
+
+public class Main {
+
+    static class Runner implements Runnable {
+        List<Object> locks;
+        List<CyclicBarrier> barriers;
+
+        public Runner(List<Object> locks, List<CyclicBarrier> barriers) {
+            this.locks = locks;
+            this.barriers = barriers;
+        }
+
+        @Override
+        public void run() {
+            step(locks, barriers);
+        }
+
+        private void step(List<Object> l, List<CyclicBarrier> b) {
+            if (l.isEmpty()) {
+                // Nothing to do, sleep indefinitely.
+                try {
+                    Thread.sleep(100000000);
+                } catch (InterruptedException e) {
+                    throw new RuntimeException(e);
+                }
+            } else {
+                Object lockObject = l.remove(0);
+                CyclicBarrier barrierObject = b.remove(0);
+
+                if (lockObject == null) {
+                    // No lock object: only take barrier, recurse.
+                    try {
+                        barrierObject.await();
+                    } catch (InterruptedException | BrokenBarrierException e) {
+                        throw new RuntimeException(e);
+                    }
+                    step(l, b);
+                } else if (barrierObject != null) {
+                    // Have barrier: sync, wait and recurse.
+                    synchronized(lockObject) {
+                        try {
+                            barrierObject.await();
+                        } catch (InterruptedException | BrokenBarrierException e) {
+                            throw new RuntimeException(e);
+                        }
+                        step(l, b);
+                    }
+                } else {
+                    // Sync, and get next step (which is assumed to have object and barrier).
+                    synchronized (lockObject) {
+                        Object lockObject2 = l.remove(0);
+                        CyclicBarrier barrierObject2 = b.remove(0);
+                        synchronized(lockObject2) {
+                            try {
+                                barrierObject2.await();
+                            } catch (InterruptedException | BrokenBarrierException e) {
+                                throw new RuntimeException(e);
+                            }
+                            step(l, b);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        try {
+            testCluster1();
+        } catch (Exception e) {
+            Map<Thread,StackTraceElement[]> stacks = Thread.getAllStackTraces();
+            for (Map.Entry<Thread,StackTraceElement[]> entry : stacks.entrySet()) {
+                System.out.println(entry.getKey());
+                System.out.println(Arrays.toString(entry.getValue()));
+            }
+            throw e;
+        }
+    }
+
+    private static void testCluster1() throws Exception {
+        // Test setup (at deadlock):
+        //
+        // Thread 1:
+        //   #0 step: synchornized(o3) { synchronized(o2) }
+        //   #1 step: synchronized(o1)
+        //
+        // Thread 2:
+        //   #0 step: synchronized(o1)
+        //   #1 step: synchronized(o4) { synchronized(o2) }
+        //
+        LinkedList<Object> l1 = new LinkedList<>();
+        LinkedList<CyclicBarrier> b1 = new LinkedList<>();
+        LinkedList<Object> l2 = new LinkedList<>();
+        LinkedList<CyclicBarrier> b2 = new LinkedList<>();
+
+        Object o1 = new Object();
+        Object o2 = new Object();
+        Object o3 = new Object();
+        Object o4 = new Object();
+
+        l1.add(o1);
+        l1.add(o3);
+        l1.add(o2);
+        l2.add(o4);
+        l2.add(o2);
+        l2.add(o1);
+
+        CyclicBarrier c1 = new CyclicBarrier(3);
+        CyclicBarrier c2 = new CyclicBarrier(2);
+        b1.add(c1);
+        b1.add(null);
+        b1.add(c2);
+        b2.add(null);
+        b2.add(c1);
+        b2.add(c2);
+
+        Thread t1 = new Thread(new Runner(l1, b1));
+        t1.setDaemon(true);
+        t1.start();
+        Thread t2 = new Thread(new Runner(l2, b2));
+        t2.setDaemon(true);
+        t2.start();
+
+        c1.await();
+
+        waitNotRunnable(t1);
+        waitNotRunnable(t2);
+        Thread.sleep(250);    // Unfortunately this seems necessary. :-(
+
+        // Thread 1.
+        {
+            Object[] stack1 = getAnnotatedStack(t1);
+            assertBlockedOn(stack1[0], o2);              // Blocked on o2.
+            assertLocks(stack1[0], o3);                  // Locked o3.
+            assertStackTraceElementStep(stack1[0]);
+
+            assertBlockedOn(stack1[1], null);            // Frame can't be blocked.
+            assertLocks(stack1[1], o1);                  // Locked o1.
+            assertStackTraceElementStep(stack1[1]);
+        }
+
+        // Thread 2.
+        {
+            Object[] stack2 = getAnnotatedStack(t2);
+            assertBlockedOn(stack2[0], o1);              // Blocked on o1.
+            assertLocks(stack2[0]);                      // Nothing locked.
+            assertStackTraceElementStep(stack2[0]);
+
+            assertBlockedOn(stack2[1], null);            // Frame can't be blocked.
+            assertLocks(stack2[1], o4, o2);              // Locked o4, o2.
+            assertStackTraceElementStep(stack2[1]);
+        }
+    }
+
+    private static void waitNotRunnable(Thread t) throws InterruptedException {
+        while (t.getState() == State.RUNNABLE) {
+            Thread.sleep(100);
+        }
+    }
+
+    private static Object[] getAnnotatedStack(Thread t) throws Exception {
+        Class<?> vmStack = Class.forName("dalvik.system.VMStack");
+        Method m = vmStack.getDeclaredMethod("getAnnotatedThreadStackTrace", Thread.class);
+        return (Object[]) m.invoke(null, t);
+    }
+
+    private static void assertEquals(Object o1, Object o2) {
+        if (o1 != o2) {
+            throw new RuntimeException("Expected " + o1 + " == " + o2);
+        }
+    }
+    private static void assertLocks(Object fromTrace, Object... locks) throws Exception {
+        Object fieldValue = fromTrace.getClass().getDeclaredMethod("getHeldLocks").
+                invoke(fromTrace);
+        assertEquals((Object[]) fieldValue,
+                (locks == null) ? null : (locks.length == 0 ? null : locks));
+    }
+    private static void assertBlockedOn(Object fromTrace, Object block) throws Exception {
+        Object fieldValue = fromTrace.getClass().getDeclaredMethod("getBlockedOn").
+                invoke(fromTrace);
+        assertEquals(fieldValue, block);
+    }
+    private static void assertEquals(Object[] o1, Object[] o2) {
+        if (!Arrays.equals(o1, o2)) {
+            throw new RuntimeException(
+                    "Expected " + Arrays.toString(o1) + " == " + Arrays.toString(o2));
+        }
+    }
+    private static void assertStackTraceElementStep(Object o) throws Exception {
+        Object fieldValue = o.getClass().getDeclaredMethod("getStackTraceElement").invoke(o);
+        if (fieldValue instanceof StackTraceElement) {
+            StackTraceElement elem = (StackTraceElement) fieldValue;
+            if (!elem.getMethodName().equals("step")) {
+                throw new RuntimeException("Expected step method");
+            }
+            return;
+        }
+        throw new RuntimeException("Expected StackTraceElement " + fieldValue + " / " + o);
+    }
+}
+
diff --git a/test/626-checker-arm64-scratch-register/smali/Smali.smali b/test/626-checker-arm64-scratch-register/smali/Smali.smali
deleted file mode 100644
index e6943cf..0000000
--- a/test/626-checker-arm64-scratch-register/smali/Smali.smali
+++ /dev/null
@@ -1,2119 +0,0 @@
-# Copyright (C) 2017 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-.class public LSmali;
-.super Ljava/lang/Object;
-.field b00:Z
-.field b01:Z
-.field b02:Z
-.field b03:Z
-.field b04:Z
-.field b05:Z
-.field b06:Z
-.field b07:Z
-.field b08:Z
-.field b09:Z
-.field b10:Z
-.field b11:Z
-.field b12:Z
-.field b13:Z
-.field b14:Z
-.field b15:Z
-.field b16:Z
-.field b17:Z
-.field b18:Z
-.field b19:Z
-.field b20:Z
-.field b21:Z
-.field b22:Z
-.field b23:Z
-.field b24:Z
-.field b25:Z
-.field b26:Z
-.field b27:Z
-.field b28:Z
-.field b29:Z
-.field b30:Z
-.field b31:Z
-.field b32:Z
-.field b33:Z
-.field b34:Z
-.field b35:Z
-.field b36:Z
-
-.field conditionA:Z
-.field conditionB:Z
-.field conditionC:Z
-
-.method public constructor <init>()V
-    .registers 1
-    invoke-direct {p0}, Ljava/lang/Object;-><init>()V
-    return-void
-.end method
-
-##  CHECK-START-ARM64: void Smali.test() register (after)
-##  CHECK: begin_block
-##  CHECK:   name "B0"
-##  CHECK:       <<This:l\d+>>  ParameterValue
-##  CHECK: end_block
-##  CHECK: begin_block
-##  CHECK:   successors "<<ThenBlock:B\d+>>" "<<ElseBlock:B\d+>>"
-##  CHECK:       <<CondB:z\d+>>  InstanceFieldGet [<<This>>] field_name:Smali.conditionB
-##  CHECK:                       If [<<CondB>>]
-##  CHECK:  end_block
-##  CHECK: begin_block
-##  CHECK:   name "<<ElseBlock>>"
-##  CHECK:                      ParallelMove moves:[40(sp)->d0,24(sp)->32(sp),28(sp)->36(sp),d0->d3,d3->d4,d2->d5,d4->d6,d5->d7,d6->d18,d7->d19,d18->d20,d19->d21,d20->d22,d21->d23,d22->d10,d23->d11,16(sp)->24(sp),20(sp)->28(sp),d10->d14,d11->d12,d12->d13,d13->d1,d14->d2,32(sp)->16(sp),36(sp)->20(sp)]
-##  CHECK: end_block
-
-##  CHECK-START-ARM64: void Smali.test() disassembly (after)
-##  CHECK: begin_block
-##  CHECK:   name "B0"
-##  CHECK:       <<This:l\d+>>  ParameterValue
-##  CHECK: end_block
-##  CHECK: begin_block
-##  CHECK:   successors "<<ThenBlock:B\d+>>" "<<ElseBlock:B\d+>>"
-##  CHECK:       <<CondB:z\d+>>  InstanceFieldGet [<<This>>] field_name:Smali.conditionB
-##  CHECK:                       If [<<CondB>>]
-##  CHECK:  end_block
-##  CHECK: begin_block
-##  CHECK:   name "<<ElseBlock>>"
-##  CHECK:                      ParallelMove moves:[invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid]
-##  CHECK:                        fmov d31, d2
-##  CHECK:                        ldr s2, [sp, #36]
-##  CHECK:                        ldr w16, [sp, #16]
-##  CHECK:                        str w16, [sp, #36]
-##  CHECK:                        str s14, [sp, #16]
-##  CHECK:                        ldr s14, [sp, #28]
-##  CHECK:                        str s1, [sp, #28]
-##  CHECK:                        ldr s1, [sp, #32]
-##  CHECK:                        str s31, [sp, #32]
-##  CHECK:                        ldr s31, [sp, #20]
-##  CHECK:                        str s31, [sp, #40]
-##  CHECK:                        str s12, [sp, #20]
-##  CHECK:                        fmov d12, d11
-##  CHECK:                        fmov d11, d10
-##  CHECK:                        fmov d10, d23
-##  CHECK:                        fmov d23, d22
-##  CHECK:                        fmov d22, d21
-##  CHECK:                        fmov d21, d20
-##  CHECK:                        fmov d20, d19
-##  CHECK:                        fmov d19, d18
-##  CHECK:                        fmov d18, d7
-##  CHECK:                        fmov d7, d6
-##  CHECK:                        fmov d6, d5
-##  CHECK:                        fmov d5, d4
-##  CHECK:                        fmov d4, d3
-##  CHECK:                        fmov d3, d13
-##  CHECK:                        ldr s13, [sp, #24]
-##  CHECK:                        str s3, [sp, #24]
-##  CHECK:                        ldr s3, pc+{{\d+}} (addr {{0x[0-9a-f]+}}) (100)
-##  CHECK: end_block
-.method public test()V
-    .registers 45
-
-    const-string v39, ""
-
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b17:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_367
-
-    const/16 v19, 0x0
-
-    :goto_c
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b16:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_36b
-
-    const/16 v18, 0x0
-
-    :goto_16
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b18:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_36f
-
-    const/16 v20, 0x0
-
-    :goto_20
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b19:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_373
-
-    const/16 v21, 0x0
-
-    :goto_2a
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b20:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_377
-
-    const/16 v22, 0x0
-
-    :goto_34
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b21:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_37b
-
-    const/16 v23, 0x0
-
-    :goto_3e
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b15:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_37f
-
-    const/16 v17, 0x0
-
-    :goto_48
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b00:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_383
-
-    const/4 v2, 0x0
-
-    :goto_51
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b22:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_387
-
-    const/16 v24, 0x0
-
-    :goto_5b
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b23:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_38b
-
-    const/16 v25, 0x0
-
-    :goto_65
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b24:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_38f
-
-    const/16 v26, 0x0
-
-    :goto_6f
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b25:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_393
-
-    const/16 v27, 0x0
-
-    :goto_79
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b26:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_397
-
-    const/16 v28, 0x0
-
-    :goto_83
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b27:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_39b
-
-    const/16 v29, 0x0
-
-    :goto_8d
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b29:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_39f
-
-    const/16 v31, 0x0
-
-    :goto_97
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b28:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3a3
-
-    const/16 v30, 0x0
-
-    :goto_a1
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b01:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3a7
-
-    const/4 v3, 0x0
-
-    :goto_aa
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b02:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3ab
-
-    const/4 v4, 0x0
-
-    :goto_b3
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b03:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3af
-
-    const/4 v5, 0x0
-
-    :goto_bc
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b04:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3b3
-
-    const/4 v6, 0x0
-
-    :goto_c5
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b05:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3b7
-
-    const/4 v7, 0x0
-
-    :goto_ce
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b07:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3bb
-
-    const/4 v9, 0x0
-
-    :goto_d7
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b06:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3bf
-
-    const/4 v8, 0x0
-
-    :goto_e0
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b30:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3c3
-
-    const/16 v32, 0x0
-
-    :goto_ea
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b31:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3c7
-
-    const/16 v33, 0x0
-
-    :goto_f4
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b32:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3cb
-
-    const/16 v34, 0x0
-
-    :goto_fe
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b33:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3cf
-
-    const/16 v35, 0x0
-
-    :goto_108
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b34:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3d3
-
-    const/16 v36, 0x0
-
-    :goto_112
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b36:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3d7
-
-    const/16 v38, 0x0
-
-    :goto_11c
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b35:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3db
-
-    const/16 v37, 0x0
-
-    :goto_126
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b08:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3df
-
-    const/4 v10, 0x0
-
-    :goto_12f
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b09:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3e3
-
-    const/4 v11, 0x0
-
-    :goto_138
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b10:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3e7
-
-    const/4 v12, 0x0
-
-    :goto_141
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b11:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3eb
-
-    const/4 v13, 0x0
-
-    :goto_14a
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b12:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3ef
-
-    const/4 v14, 0x0
-
-    :goto_153
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b14:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3f3
-
-    const/16 v16, 0x0
-
-    :goto_15d
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->b13:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_3f7
-
-    const/4 v15, 0x0
-
-    :goto_166
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->conditionA:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_202
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v18, v18, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v19, v19, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v20, v20, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v21, v21, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v22, v22, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v23, v23, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v17, v17, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v10, v10, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v11, v11, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v12, v12, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v13, v13, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v14, v14, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v32, v32, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v33, v33, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v34, v34, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v35, v35, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v36, v36, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v3, v3, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v4, v4, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v5, v5, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v6, v6, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v7, v7, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v25, v25, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v26, v26, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v27, v27, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v28, v28, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v29, v29, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v24, v24, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v2, v2, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v16, v16, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v15, v15, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v38, v38, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v37, v37, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v9, v9, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v8, v8, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v31, v31, v42
-
-    const/high16 v42, 0x447a0000    # 1000.0f
-
-    div-float v30, v30, v42
-
-    :cond_202
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->conditionB:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_29e
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v18, v18, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v19, v19, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v20, v20, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v21, v21, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v22, v22, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v23, v23, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v17, v17, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v10, v10, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v11, v11, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v12, v12, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v13, v13, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v14, v14, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v32, v32, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v33, v33, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v34, v34, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v35, v35, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v36, v36, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v3, v3, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v4, v4, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v5, v5, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v6, v6, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v7, v7, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v25, v25, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v26, v26, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v27, v27, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v28, v28, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v29, v29, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v24, v24, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v2, v2, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v16, v16, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v15, v15, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v38, v38, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v37, v37, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v9, v9, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v8, v8, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v31, v31, v42
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    div-float v30, v30, v42
-
-    :cond_29e
-    move-object/from16 v0, p0
-
-    iget-boolean v0, v0, LSmali;->conditionC:Z
-
-    move/from16 v42, v0
-
-    if-eqz v42, :cond_33a
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v18, v18, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v19, v19, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v20, v20, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v21, v21, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v22, v22, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v23, v23, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v17, v17, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v10, v10, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v11, v11, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v12, v12, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v13, v13, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v14, v14, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v32, v32, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v33, v33, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v34, v34, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v35, v35, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v36, v36, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v3, v3, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v4, v4, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v5, v5, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v6, v6, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v7, v7, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v25, v25, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v26, v26, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v27, v27, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v28, v28, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v29, v29, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v24, v24, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v2, v2, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v16, v16, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v15, v15, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v38, v38, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v37, v37, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v9, v9, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v8, v8, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v31, v31, v42
-
-    const/high16 v42, 0x41400000    # 12.0f
-
-    div-float v30, v30, v42
-
-    :cond_33a
-    const/16 v41, 0x0
-
-    const/high16 v42, 0x42c80000    # 100.0f
-
-    mul-float v42, v42, v41
-
-    invoke-static/range {v42 .. v42}, Ljava/lang/Math;->round(F)I
-
-    move-result v42
-
-    move/from16 v0, v42
-
-    int-to-float v0, v0
-
-    move/from16 v42, v0
-
-    const/high16 v43, 0x42c80000    # 100.0f
-
-    div-float v41, v42, v43
-
-    new-instance v42, Ljava/lang/StringBuilder;
-
-    invoke-direct/range {v42 .. v42}, Ljava/lang/StringBuilder;-><init>()V
-
-    move-object/from16 v0, v42
-
-    move/from16 v1, v41
-
-    invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(F)Ljava/lang/StringBuilder;
-
-    move-result-object v42
-
-    move-object/from16 v0, v42
-
-    move-object/from16 v1, v39
-
-    invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
-
-    move-result-object v42
-
-    invoke-virtual/range {v42 .. v42}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
-
-    move-result-object v40
-
-    return-void
-
-    :cond_367
-    const/high16 v19, 0x3f800000    # 1.0f
-
-    goto/16 :goto_c
-
-    :cond_36b
-    const/high16 v18, 0x3f800000    # 1.0f
-
-    goto/16 :goto_16
-
-    :cond_36f
-    const/high16 v20, 0x3f800000    # 1.0f
-
-    goto/16 :goto_20
-
-    :cond_373
-    const/high16 v21, 0x3f800000    # 1.0f
-
-    goto/16 :goto_2a
-
-    :cond_377
-    const/high16 v22, 0x3f800000    # 1.0f
-
-    goto/16 :goto_34
-
-    :cond_37b
-    const/high16 v23, 0x3f800000    # 1.0f
-
-    goto/16 :goto_3e
-
-    :cond_37f
-    const/high16 v17, 0x3f800000    # 1.0f
-
-    goto/16 :goto_48
-
-    :cond_383
-    const/high16 v2, 0x3f800000    # 1.0f
-
-    goto/16 :goto_51
-
-    :cond_387
-    const/high16 v24, 0x3f800000    # 1.0f
-
-    goto/16 :goto_5b
-
-    :cond_38b
-    const/high16 v25, 0x3f800000    # 1.0f
-
-    goto/16 :goto_65
-
-    :cond_38f
-    const/high16 v26, 0x3f800000    # 1.0f
-
-    goto/16 :goto_6f
-
-    :cond_393
-    const/high16 v27, 0x3f800000    # 1.0f
-
-    goto/16 :goto_79
-
-    :cond_397
-    const/high16 v28, 0x3f800000    # 1.0f
-
-    goto/16 :goto_83
-
-    :cond_39b
-    const/high16 v29, 0x3f800000    # 1.0f
-
-    goto/16 :goto_8d
-
-    :cond_39f
-    const/high16 v31, 0x3f800000    # 1.0f
-
-    goto/16 :goto_97
-
-    :cond_3a3
-    const/high16 v30, 0x3f800000    # 1.0f
-
-    goto/16 :goto_a1
-
-    :cond_3a7
-    const/high16 v3, 0x3f800000    # 1.0f
-
-    goto/16 :goto_aa
-
-    :cond_3ab
-    const/high16 v4, 0x3f800000    # 1.0f
-
-    goto/16 :goto_b3
-
-    :cond_3af
-    const/high16 v5, 0x3f800000    # 1.0f
-
-    goto/16 :goto_bc
-
-    :cond_3b3
-    const/high16 v6, 0x3f800000    # 1.0f
-
-    goto/16 :goto_c5
-
-    :cond_3b7
-    const/high16 v7, 0x3f800000    # 1.0f
-
-    goto/16 :goto_ce
-
-    :cond_3bb
-    const/high16 v9, 0x3f800000    # 1.0f
-
-    goto/16 :goto_d7
-
-    :cond_3bf
-    const/high16 v8, 0x3f800000    # 1.0f
-
-    goto/16 :goto_e0
-
-    :cond_3c3
-    const/high16 v32, 0x3f800000    # 1.0f
-
-    goto/16 :goto_ea
-
-    :cond_3c7
-    const/high16 v33, 0x3f800000    # 1.0f
-
-    goto/16 :goto_f4
-
-    :cond_3cb
-    const/high16 v34, 0x3f800000    # 1.0f
-
-    goto/16 :goto_fe
-
-    :cond_3cf
-    const/high16 v35, 0x3f800000    # 1.0f
-
-    goto/16 :goto_108
-
-    :cond_3d3
-    const/high16 v36, 0x3f800000    # 1.0f
-
-    goto/16 :goto_112
-
-    :cond_3d7
-    const/high16 v38, 0x3f800000    # 1.0f
-
-    goto/16 :goto_11c
-
-    :cond_3db
-    const/high16 v37, 0x3f800000    # 1.0f
-
-    goto/16 :goto_126
-
-    :cond_3df
-    const/high16 v10, 0x3f800000    # 1.0f
-
-    goto/16 :goto_12f
-
-    :cond_3e3
-    const/high16 v11, 0x3f800000    # 1.0f
-
-    goto/16 :goto_138
-
-    :cond_3e7
-    const/high16 v12, 0x3f800000    # 1.0f
-
-    goto/16 :goto_141
-
-    :cond_3eb
-    const/high16 v13, 0x3f800000    # 1.0f
-
-    goto/16 :goto_14a
-
-    :cond_3ef
-    const/high16 v14, 0x3f800000    # 1.0f
-
-    goto/16 :goto_153
-
-    :cond_3f3
-    const/high16 v16, 0x3f800000    # 1.0f
-
-    goto/16 :goto_15d
-
-    :cond_3f7
-    const/high16 v15, 0x3f800000    # 1.0f
-
-    goto/16 :goto_166
-.end method
-
-##  CHECK-START-ARM64: void Smali.testD8() register (after)
-##  CHECK: begin_block
-##  CHECK:   name "B0"
-##  CHECK:       <<This:l\d+>>  ParameterValue
-##  CHECK: end_block
-
-##  CHECK: begin_block
-##  CHECK:  successors "<<ThenBlockA:B\d+>>" "<<ElseBlockA:B\d+>>"
-##  CHECK:       <<CondA:z\d+>>  InstanceFieldGet [<<This>>] field_name:Smali.conditionA
-##  CHECK:                       If [<<CondA>>]
-##  CHECK: end_block
-
-##  CHECK: begin_block
-##  CHECK:   name "<<ThenBlockA>>"
-##  CHECK: end_block
-##  CHECK: begin_block
-##  CHECK:   name "<<ElseBlockA>>"
-##  CHECK:                       ParallelMove moves:[d2->d0,40(sp)->d17,d20->d26,d19->d27,d27->d1,d26->d2,d14->d20,d13->d19,d17->d14,d0->d13]
-##  CHECK: end_block
-
-##  CHECK: begin_block
-##  CHECK:  successors "<<ThenBlockB:B\d+>>" "<<ElseBlockB:B\d+>>"
-##  CHECK:       <<CondB:z\d+>>  InstanceFieldGet [<<This>>] field_name:Smali.conditionB
-##  CHECK:                       If [<<CondB>>]
-##  CHECK: end_block
-
-##  CHECK: begin_block
-##  CHECK:   name "<<ThenBlockB>>"
-##  CHECK: end_block
-##  CHECK: begin_block
-##  CHECK:   name "<<ElseBlockB>>"
-##  CHECK:                       ParallelMove moves:[#100->d13,16(sp)->d1,20(sp)->d2,28(sp)->d19,24(sp)->d20,36(sp)->d14,32(sp)->16(sp),d1->20(sp),d2->24(sp),d20->28(sp),d19->32(sp),d14->36(sp),d13->40(sp)]
-##  CHECK: end_block
-
-##  CHECK-START-ARM64: void Smali.testD8() disassembly (after)
-##  CHECK: begin_block
-##  CHECK:   name "B0"
-##  CHECK:       <<This:l\d+>>  ParameterValue
-##  CHECK: end_block
-
-##  CHECK: begin_block
-##  CHECK:  successors "<<ThenBlockA:B\d+>>" "<<ElseBlockA:B\d+>>"
-##  CHECK:       <<CondA:z\d+>>  InstanceFieldGet [<<This>>] field_name:Smali.conditionA
-##  CHECK:                       If [<<CondA>>]
-##  CHECK: end_block
-
-##  CHECK: begin_block
-##  CHECK:   name "<<ThenBlockA>>"
-##  CHECK: end_block
-##  CHECK: begin_block
-##  CHECK:   name "<<ElseBlockA>>"
-##  CHECK: end_block
-
-##  CHECK: begin_block
-##  CHECK:  successors "<<ThenBlockB:B\d+>>" "<<ElseBlockB:B\d+>>"
-##  CHECK:       <<CondB:z\d+>>  InstanceFieldGet [<<This>>] field_name:Smali.conditionB
-##  CHECK:                       If [<<CondB>>]
-##  CHECK: end_block
-
-##  CHECK: begin_block
-##  CHECK:   name "<<ThenBlockB>>"
-##  CHECK: end_block
-##  CHECK: begin_block
-##  CHECK:   name "<<ElseBlockB>>"
-##  CHECK:                       ParallelMove moves:[invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid]
-##  CHECK:                         ldr w16, [sp, #32]
-##  CHECK:                         str s19, [sp, #32]
-##  CHECK:                         ldr s19, [sp, #28]
-##  CHECK:                         str s20, [sp, #28]
-##  CHECK:                         ldr s20, [sp, #24]
-##  CHECK:                         str s2, [sp, #24]
-##  CHECK:                         ldr s2, [sp, #20]
-##  CHECK:                         str s1, [sp, #20]
-##  CHECK:                         ldr s1, [sp, #16]
-##  CHECK:                         str w16, [sp, #16]
-##  CHECK:                         fmov d31, d14
-##  CHECK:                         ldr s14, [sp, #36]
-##  CHECK:                         str s31, [sp, #36]
-##  CHECK:                         str s13, [sp, #40]
-##  CHECK:                         ldr s13, pc+580 (addr 0x61c) (100)
-##  CHECK: end_block
-.method public testD8()V
-    .registers 47
-
-    move-object/from16 v0, p0
-
-    const-string v1, ""
-
-    iget-boolean v2, v0, LSmali;->b17:Z
-
-    if-eqz v2, :cond_a
-
-    const/4 v2, 0x0
-
-    goto :goto_c
-
-    :cond_a
-    const/high16 v2, 0x3f800000    # 1.0f
-
-    :goto_c
-    iget-boolean v5, v0, LSmali;->b16:Z
-
-    if-eqz v5, :cond_12
-
-    const/4 v5, 0x0
-
-    goto :goto_14
-
-    :cond_12
-    const/high16 v5, 0x3f800000    # 1.0f
-
-    :goto_14
-    iget-boolean v6, v0, LSmali;->b18:Z
-
-    if-eqz v6, :cond_1a
-
-    const/4 v6, 0x0
-
-    goto :goto_1c
-
-    :cond_1a
-    const/high16 v6, 0x3f800000    # 1.0f
-
-    :goto_1c
-    iget-boolean v7, v0, LSmali;->b19:Z
-
-    if-eqz v7, :cond_22
-
-    const/4 v7, 0x0
-
-    goto :goto_24
-
-    :cond_22
-    const/high16 v7, 0x3f800000    # 1.0f
-
-    :goto_24
-    iget-boolean v8, v0, LSmali;->b20:Z
-
-    if-eqz v8, :cond_2a
-
-    const/4 v8, 0x0
-
-    goto :goto_2c
-
-    :cond_2a
-    const/high16 v8, 0x3f800000    # 1.0f
-
-    :goto_2c
-    iget-boolean v9, v0, LSmali;->b21:Z
-
-    if-eqz v9, :cond_32
-
-    const/4 v9, 0x0
-
-    goto :goto_34
-
-    :cond_32
-    const/high16 v9, 0x3f800000    # 1.0f
-
-    :goto_34
-    iget-boolean v10, v0, LSmali;->b15:Z
-
-    if-eqz v10, :cond_3a
-
-    const/4 v10, 0x0
-
-    goto :goto_3c
-
-    :cond_3a
-    const/high16 v10, 0x3f800000    # 1.0f
-
-    :goto_3c
-    iget-boolean v11, v0, LSmali;->b00:Z
-
-    if-eqz v11, :cond_42
-
-    const/4 v11, 0x0
-
-    goto :goto_44
-
-    :cond_42
-    const/high16 v11, 0x3f800000    # 1.0f
-
-    :goto_44
-    iget-boolean v12, v0, LSmali;->b22:Z
-
-    if-eqz v12, :cond_4a
-
-    const/4 v12, 0x0
-
-    goto :goto_4c
-
-    :cond_4a
-    const/high16 v12, 0x3f800000    # 1.0f
-
-    :goto_4c
-    iget-boolean v13, v0, LSmali;->b23:Z
-
-    if-eqz v13, :cond_52
-
-    const/4 v13, 0x0
-
-    goto :goto_54
-
-    :cond_52
-    const/high16 v13, 0x3f800000    # 1.0f
-
-    :goto_54
-    iget-boolean v14, v0, LSmali;->b24:Z
-
-    if-eqz v14, :cond_5a
-
-    const/4 v14, 0x0
-
-    goto :goto_5c
-
-    :cond_5a
-    const/high16 v14, 0x3f800000    # 1.0f
-
-    :goto_5c
-    iget-boolean v15, v0, LSmali;->b25:Z
-
-    if-eqz v15, :cond_62
-
-    const/4 v15, 0x0
-
-    goto :goto_64
-
-    :cond_62
-    const/high16 v15, 0x3f800000    # 1.0f
-
-    :goto_64
-    iget-boolean v3, v0, LSmali;->b26:Z
-
-    if-eqz v3, :cond_6a
-
-    const/4 v3, 0x0
-
-    goto :goto_6c
-
-    :cond_6a
-    const/high16 v3, 0x3f800000    # 1.0f
-
-    :goto_6c
-    iget-boolean v4, v0, LSmali;->b27:Z
-
-    if-eqz v4, :cond_72
-
-    const/4 v4, 0x0
-
-    goto :goto_74
-
-    :cond_72
-    const/high16 v4, 0x3f800000    # 1.0f
-
-    :goto_74
-    move-object/from16 v18, v1
-
-    iget-boolean v1, v0, LSmali;->b29:Z
-
-    if-eqz v1, :cond_7c
-
-    const/4 v1, 0x0
-
-    goto :goto_7e
-
-    :cond_7c
-    const/high16 v1, 0x3f800000    # 1.0f
-
-    :goto_7e
-    move/from16 v19, v1
-
-    iget-boolean v1, v0, LSmali;->b28:Z
-
-    if-eqz v1, :cond_86
-
-    const/4 v1, 0x0
-
-    goto :goto_88
-
-    :cond_86
-    const/high16 v1, 0x3f800000    # 1.0f
-
-    :goto_88
-    move/from16 v20, v1
-
-    iget-boolean v1, v0, LSmali;->b01:Z
-
-    if-eqz v1, :cond_90
-
-    const/4 v1, 0x0
-
-    goto :goto_92
-
-    :cond_90
-    const/high16 v1, 0x3f800000    # 1.0f
-
-    :goto_92
-    move/from16 v21, v11
-
-    iget-boolean v11, v0, LSmali;->b02:Z
-
-    if-eqz v11, :cond_9a
-
-    const/4 v11, 0x0
-
-    goto :goto_9c
-
-    :cond_9a
-    const/high16 v11, 0x3f800000    # 1.0f
-
-    :goto_9c
-    move/from16 v22, v12
-
-    iget-boolean v12, v0, LSmali;->b03:Z
-
-    if-eqz v12, :cond_a4
-
-    const/4 v12, 0x0
-
-    goto :goto_a6
-
-    :cond_a4
-    const/high16 v12, 0x3f800000    # 1.0f
-
-    :goto_a6
-    move/from16 v23, v4
-
-    iget-boolean v4, v0, LSmali;->b04:Z
-
-    if-eqz v4, :cond_ae
-
-    const/4 v4, 0x0
-
-    goto :goto_b0
-
-    :cond_ae
-    const/high16 v4, 0x3f800000    # 1.0f
-
-    :goto_b0
-    move/from16 v24, v3
-
-    iget-boolean v3, v0, LSmali;->b05:Z
-
-    if-eqz v3, :cond_b8
-
-    const/4 v3, 0x0
-
-    goto :goto_ba
-
-    :cond_b8
-    const/high16 v3, 0x3f800000    # 1.0f
-
-    :goto_ba
-    move/from16 v25, v15
-
-    iget-boolean v15, v0, LSmali;->b07:Z
-
-    if-eqz v15, :cond_c2
-
-    const/4 v15, 0x0
-
-    goto :goto_c4
-
-    :cond_c2
-    const/high16 v15, 0x3f800000    # 1.0f
-
-    :goto_c4
-    move/from16 v26, v15
-
-    iget-boolean v15, v0, LSmali;->b06:Z
-
-    if-eqz v15, :cond_cc
-
-    const/4 v15, 0x0
-
-    goto :goto_ce
-
-    :cond_cc
-    const/high16 v15, 0x3f800000    # 1.0f
-
-    :goto_ce
-    move/from16 v27, v15
-
-    iget-boolean v15, v0, LSmali;->b30:Z
-
-    if-eqz v15, :cond_d6
-
-    const/4 v15, 0x0
-
-    goto :goto_d8
-
-    :cond_d6
-    const/high16 v15, 0x3f800000    # 1.0f
-
-    :goto_d8
-    move/from16 v28, v14
-
-    iget-boolean v14, v0, LSmali;->b31:Z
-
-    if-eqz v14, :cond_e0
-
-    const/4 v14, 0x0
-
-    goto :goto_e2
-
-    :cond_e0
-    const/high16 v14, 0x3f800000    # 1.0f
-
-    :goto_e2
-    move/from16 v29, v13
-
-    iget-boolean v13, v0, LSmali;->b32:Z
-
-    if-eqz v13, :cond_ea
-
-    const/4 v13, 0x0
-
-    goto :goto_ec
-
-    :cond_ea
-    const/high16 v13, 0x3f800000    # 1.0f
-
-    :goto_ec
-    move/from16 v30, v3
-
-    iget-boolean v3, v0, LSmali;->b33:Z
-
-    if-eqz v3, :cond_f4
-
-    const/4 v3, 0x0
-
-    goto :goto_f6
-
-    :cond_f4
-    const/high16 v3, 0x3f800000    # 1.0f
-
-    :goto_f6
-    move/from16 v31, v4
-
-    iget-boolean v4, v0, LSmali;->b34:Z
-
-    if-eqz v4, :cond_fe
-
-    const/4 v4, 0x0
-
-    goto :goto_100
-
-    :cond_fe
-    const/high16 v4, 0x3f800000    # 1.0f
-
-    :goto_100
-    move/from16 v32, v12
-
-    iget-boolean v12, v0, LSmali;->b36:Z
-
-    if-eqz v12, :cond_108
-
-    const/4 v12, 0x0
-
-    goto :goto_10a
-
-    :cond_108
-    const/high16 v12, 0x3f800000    # 1.0f
-
-    :goto_10a
-    move/from16 v33, v12
-
-    iget-boolean v12, v0, LSmali;->b35:Z
-
-    if-eqz v12, :cond_112
-
-    const/4 v12, 0x0
-
-    goto :goto_114
-
-    :cond_112
-    const/high16 v12, 0x3f800000    # 1.0f
-
-    :goto_114
-    move/from16 v34, v12
-
-    iget-boolean v12, v0, LSmali;->b08:Z
-
-    if-eqz v12, :cond_11c
-
-    const/4 v12, 0x0
-
-    goto :goto_11e
-
-    :cond_11c
-    const/high16 v12, 0x3f800000    # 1.0f
-
-    :goto_11e
-    move/from16 v35, v11
-
-    iget-boolean v11, v0, LSmali;->b09:Z
-
-    if-eqz v11, :cond_126
-
-    const/4 v11, 0x0
-
-    goto :goto_128
-
-    :cond_126
-    const/high16 v11, 0x3f800000    # 1.0f
-
-    :goto_128
-    move/from16 v36, v1
-
-    iget-boolean v1, v0, LSmali;->b10:Z
-
-    if-eqz v1, :cond_130
-
-    const/4 v1, 0x0
-
-    goto :goto_132
-
-    :cond_130
-    const/high16 v1, 0x3f800000    # 1.0f
-
-    :goto_132
-    move/from16 v37, v4
-
-    iget-boolean v4, v0, LSmali;->b11:Z
-
-    if-eqz v4, :cond_13a
-
-    const/4 v4, 0x0
-
-    goto :goto_13c
-
-    :cond_13a
-    const/high16 v4, 0x3f800000    # 1.0f
-
-    :goto_13c
-    move/from16 v38, v3
-
-    iget-boolean v3, v0, LSmali;->b12:Z
-
-    if-eqz v3, :cond_144
-
-    const/4 v3, 0x0
-
-    goto :goto_146
-
-    :cond_144
-    const/high16 v3, 0x3f800000    # 1.0f
-
-    :goto_146
-    move/from16 v39, v13
-
-    iget-boolean v13, v0, LSmali;->b14:Z
-
-    if-eqz v13, :cond_14e
-
-    const/4 v13, 0x0
-
-    goto :goto_150
-
-    :cond_14e
-    const/high16 v13, 0x3f800000    # 1.0f
-
-    :goto_150
-    move/from16 v40, v13
-
-    iget-boolean v13, v0, LSmali;->b13:Z
-
-    if-eqz v13, :cond_159
-
-    const/16 v16, 0x0
-
-    goto :goto_15b
-
-    :cond_159
-    const/high16 v16, 0x3f800000    # 1.0f
-
-    :goto_15b
-    move/from16 v13, v16
-
-    move/from16 v41, v13
-
-    iget-boolean v13, v0, LSmali;->conditionA:Z
-
-    if-eqz v13, :cond_1a2
-
-    const/high16 v13, 0x447a0000    # 1000.0f
-
-    div-float/2addr v5, v13
-
-    div-float/2addr v2, v13
-
-    div-float/2addr v6, v13
-
-    div-float/2addr v7, v13
-
-    div-float/2addr v8, v13
-
-    div-float/2addr v9, v13
-
-    div-float/2addr v10, v13
-
-    div-float/2addr v12, v13
-
-    div-float/2addr v11, v13
-
-    div-float/2addr v1, v13
-
-    div-float/2addr v4, v13
-
-    div-float/2addr v3, v13
-
-    div-float/2addr v15, v13
-
-    div-float/2addr v14, v13
-
-    div-float v16, v39, v13
-
-    div-float v38, v38, v13
-
-    div-float v37, v37, v13
-
-    div-float v36, v36, v13
-
-    div-float v35, v35, v13
-
-    div-float v32, v32, v13
-
-    div-float v31, v31, v13
-
-    div-float v30, v30, v13
-
-    div-float v29, v29, v13
-
-    div-float v28, v28, v13
-
-    div-float v25, v25, v13
-
-    div-float v24, v24, v13
-
-    div-float v23, v23, v13
-
-    div-float v22, v22, v13
-
-    div-float v21, v21, v13
-
-    div-float v39, v40, v13
-
-    div-float v40, v41, v13
-
-    div-float v33, v33, v13
-
-    div-float v34, v34, v13
-
-    div-float v26, v26, v13
-
-    div-float v27, v27, v13
-
-    div-float v19, v19, v13
-
-    div-float v13, v20, v13
-
-    goto :goto_1aa
-
-    :cond_1a2
-    move/from16 v13, v20
-
-    move/from16 v16, v39
-
-    move/from16 v39, v40
-
-    move/from16 v40, v41
-
-    :goto_1aa
-    move/from16 v42, v13
-
-    iget-boolean v13, v0, LSmali;->conditionB:Z
-
-    const/high16 v20, 0x42c80000    # 100.0f
-
-    if-eqz v13, :cond_1fd
-
-    div-float v5, v5, v20
-
-    div-float v2, v2, v20
-
-    div-float v6, v6, v20
-
-    div-float v7, v7, v20
-
-    div-float v8, v8, v20
-
-    div-float v9, v9, v20
-
-    div-float v10, v10, v20
-
-    div-float v12, v12, v20
-
-    div-float v11, v11, v20
-
-    div-float v1, v1, v20
-
-    div-float v4, v4, v20
-
-    div-float v3, v3, v20
-
-    div-float v15, v15, v20
-
-    div-float v14, v14, v20
-
-    div-float v16, v16, v20
-
-    div-float v38, v38, v20
-
-    div-float v37, v37, v20
-
-    div-float v36, v36, v20
-
-    div-float v35, v35, v20
-
-    div-float v32, v32, v20
-
-    div-float v31, v31, v20
-
-    div-float v30, v30, v20
-
-    div-float v29, v29, v20
-
-    div-float v28, v28, v20
-
-    div-float v25, v25, v20
-
-    div-float v24, v24, v20
-
-    div-float v23, v23, v20
-
-    div-float v22, v22, v20
-
-    div-float v21, v21, v20
-
-    div-float v39, v39, v20
-
-    div-float v40, v40, v20
-
-    div-float v33, v33, v20
-
-    div-float v34, v34, v20
-
-    div-float v26, v26, v20
-
-    div-float v27, v27, v20
-
-    div-float v19, v19, v20
-
-    div-float v13, v42, v20
-
-    goto :goto_1ff
-
-    :cond_1fd
-    move/from16 v13, v42
-
-    :goto_1ff
-    move/from16 v43, v13
-
-    iget-boolean v13, v0, LSmali;->conditionC:Z
-
-    if-eqz v13, :cond_244
-
-    const/high16 v13, 0x41400000    # 12.0f
-
-    div-float/2addr v5, v13
-
-    div-float/2addr v2, v13
-
-    div-float/2addr v6, v13
-
-    div-float/2addr v7, v13
-
-    div-float/2addr v8, v13
-
-    div-float/2addr v9, v13
-
-    div-float/2addr v10, v13
-
-    div-float/2addr v12, v13
-
-    div-float/2addr v11, v13
-
-    div-float/2addr v1, v13
-
-    div-float/2addr v4, v13
-
-    div-float/2addr v3, v13
-
-    div-float/2addr v15, v13
-
-    div-float/2addr v14, v13
-
-    div-float v16, v16, v13
-
-    div-float v38, v38, v13
-
-    div-float v37, v37, v13
-
-    div-float v36, v36, v13
-
-    div-float v35, v35, v13
-
-    div-float v32, v32, v13
-
-    div-float v31, v31, v13
-
-    div-float v30, v30, v13
-
-    div-float v29, v29, v13
-
-    div-float v28, v28, v13
-
-    div-float v25, v25, v13
-
-    div-float v24, v24, v13
-
-    div-float v23, v23, v13
-
-    div-float v22, v22, v13
-
-    div-float v21, v21, v13
-
-    div-float v39, v39, v13
-
-    div-float v40, v40, v13
-
-    div-float v33, v33, v13
-
-    div-float v34, v34, v13
-
-    div-float v26, v26, v13
-
-    div-float v27, v27, v13
-
-    div-float v19, v19, v13
-
-    div-float v13, v43, v13
-
-    goto :goto_246
-
-    :cond_244
-    move/from16 v13, v43
-
-    :goto_246
-    const/16 v17, 0x0
-
-    mul-float v0, v20, v17
-
-    invoke-static {v0}, Ljava/lang/Math;->round(F)I
-
-    move-result v0
-
-    int-to-float v0, v0
-
-    div-float v0, v0, v20
-
-    move/from16 v44, v1
-
-    new-instance v1, Ljava/lang/StringBuilder;
-
-    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
-
-    invoke-virtual {v1, v0}, Ljava/lang/StringBuilder;->append(F)Ljava/lang/StringBuilder;
-
-    move/from16 v45, v0
-
-    move-object/from16 v0, v18
-
-    invoke-virtual {v1, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
-
-    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
-
-    move-result-object v1
-
-    return-void
-.end method
diff --git a/test/626-checker-arm64-scratch-register/src/Main.java b/test/626-checker-arm64-scratch-register/src/Main.java
index cf94b87..1394917 100644
--- a/test/626-checker-arm64-scratch-register/src/Main.java
+++ b/test/626-checker-arm64-scratch-register/src/Main.java
@@ -13,8 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import java.lang.reflect.Constructor;
-import java.lang.reflect.Method;
 
 public class Main {
 
@@ -65,17 +63,14 @@
   /// CHECK:   name "B0"
   /// CHECK:       <<This:l\d+>>  ParameterValue
   /// CHECK: end_block
-
   /// CHECK: begin_block
-  /// CHECK:  successors "<<ThenBlockA:B\d+>>" "<<ElseBlockA:B\d+>>"
-  /// CHECK:       <<CondA:z\d+>>  InstanceFieldGet [<<This>>] field_name:Main.conditionA
-  /// CHECK:                       If [<<CondA>>]
-  /// CHECK: end_block
-
-  /// CHECK: begin_block
-  /// CHECK:  successors "<<ThenBlockB:B\d+>>" "<<ElseBlockB:B\d+>>"
+  /// CHECK:   successors "<<ThenBlock:B\d+>>" "<<ElseBlock:B\d+>>"
   /// CHECK:       <<CondB:z\d+>>  InstanceFieldGet [<<This>>] field_name:Main.conditionB
   /// CHECK:                       If [<<CondB>>]
+  /// CHECK:  end_block
+  /// CHECK: begin_block
+  /// CHECK:   name "<<ElseBlock>>"
+  /// CHECK:                      ParallelMove moves:[40(sp)->d0,24(sp)->32(sp),28(sp)->36(sp),d0->d3,d3->d4,d2->d5,d4->d6,d5->d7,d6->d18,d7->d19,d18->d20,d19->d21,d20->d22,d21->d23,d22->d10,d23->d11,16(sp)->24(sp),20(sp)->28(sp),d10->d14,d11->d12,d12->d13,d13->d1,d14->d2,32(sp)->16(sp),36(sp)->20(sp)]
   /// CHECK: end_block
 
   /// CHECK-START-ARM64: void Main.test() disassembly (after)
@@ -87,6 +82,39 @@
   /// CHECK:   successors "<<ThenBlock:B\d+>>" "<<ElseBlock:B\d+>>"
   /// CHECK:       <<CondB:z\d+>>  InstanceFieldGet [<<This>>] field_name:Main.conditionB
   /// CHECK:                       If [<<CondB>>]
+  /// CHECK:  end_block
+  /// CHECK: begin_block
+  /// CHECK:   name "<<ElseBlock>>"
+  /// CHECK:                      ParallelMove moves:[invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid,invalid->invalid]
+  /// CHECK:                        fmov d31, d2
+  /// CHECK:                        ldr s2, [sp, #36]
+  /// CHECK:                        ldr w16, [sp, #16]
+  /// CHECK:                        str w16, [sp, #36]
+  /// CHECK:                        str s14, [sp, #16]
+  /// CHECK:                        ldr s14, [sp, #28]
+  /// CHECK:                        str s1, [sp, #28]
+  /// CHECK:                        ldr s1, [sp, #32]
+  /// CHECK:                        str s31, [sp, #32]
+  /// CHECK:                        ldr s31, [sp, #20]
+  /// CHECK:                        str s31, [sp, #40]
+  /// CHECK:                        str s12, [sp, #20]
+  /// CHECK:                        fmov d12, d11
+  /// CHECK:                        fmov d11, d10
+  /// CHECK:                        fmov d10, d23
+  /// CHECK:                        fmov d23, d22
+  /// CHECK:                        fmov d22, d21
+  /// CHECK:                        fmov d21, d20
+  /// CHECK:                        fmov d20, d19
+  /// CHECK:                        fmov d19, d18
+  /// CHECK:                        fmov d18, d7
+  /// CHECK:                        fmov d7, d6
+  /// CHECK:                        fmov d6, d5
+  /// CHECK:                        fmov d5, d4
+  /// CHECK:                        fmov d4, d3
+  /// CHECK:                        fmov d3, d13
+  /// CHECK:                        ldr s13, [sp, #24]
+  /// CHECK:                        str s3, [sp, #24]
+  /// CHECK:                        ldr s3, pc+{{\d+}} (addr {{0x[0-9a-f]+}}) (100)
   /// CHECK: end_block
 
   public void test() {
@@ -261,20 +289,9 @@
     String res = s + r;
   }
 
-  public static void main(String[] args) throws Exception {
+  public static void main(String[] args) {
     Main main = new Main();
     main.test();
-
-    Class<?> cl = Class.forName("Smali");
-    Constructor<?> cons = cl.getConstructor();
-    Object o = cons.newInstance();
-
-    Method test = cl.getMethod("test");
-    test.invoke(o);
-
-    Method testD8 = cl.getMethod("testD8");
-    testD8.invoke(o);
-
     System.out.println("passed");
   }
 }