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-rw-r--r--compiler/dex/frontend.cc254
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diff --git a/compiler/dex/frontend.cc b/compiler/dex/frontend.cc
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--- a/compiler/dex/frontend.cc
+++ /dev/null
@@ -1,254 +0,0 @@
-/*
- * Copyright (C) 2011 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 "frontend.h"
-
-#include <cstdint>
-
-#include "backend.h"
-#include "base/dumpable.h"
-#include "compiler.h"
-#include "dex_flags.h"
-#include "driver/compiler_driver.h"
-#include "driver/compiler_options.h"
-#include "mirror/object.h"
-#include "pass_driver_me_opts.h"
-#include "runtime.h"
-#include "base/logging.h"
-#include "base/timing_logger.h"
-#include "driver/compiler_options.h"
-#include "dex/quick/dex_file_to_method_inliner_map.h"
-
-namespace art {
-
-/* Default optimizer/debug setting for the compiler. */
-static uint32_t kCompilerOptimizerDisableFlags = 0 | // Disable specific optimizations
- // (1 << kLoadStoreElimination) |
- // (1 << kLoadHoisting) |
- // (1 << kSuppressLoads) |
- // (1 << kNullCheckElimination) |
- // (1 << kClassInitCheckElimination) |
- // (1 << kGlobalValueNumbering) |
- // (1 << kLocalValueNumbering) |
- // (1 << kPromoteRegs) |
- // (1 << kTrackLiveTemps) |
- // (1 << kSafeOptimizations) |
- // (1 << kBBOpt) |
- // (1 << kSuspendCheckElimination) |
- // (1 << kMatch) |
- // (1 << kPromoteCompilerTemps) |
- // (1 << kSuppressExceptionEdges) |
- // (1 << kSuppressMethodInlining) |
- 0;
-
-static uint32_t kCompilerDebugFlags = 0 | // Enable debug/testing modes
- // (1 << kDebugDisplayMissingTargets) |
- // (1 << kDebugVerbose) |
- // (1 << kDebugDumpCFG) |
- // (1 << kDebugSlowFieldPath) |
- // (1 << kDebugSlowInvokePath) |
- // (1 << kDebugSlowStringPath) |
- // (1 << kDebugSlowestFieldPath) |
- // (1 << kDebugSlowestStringPath) |
- // (1 << kDebugExerciseResolveMethod) |
- // (1 << kDebugVerifyDataflow) |
- // (1 << kDebugShowMemoryUsage) |
- // (1 << kDebugShowNops) |
- // (1 << kDebugCountOpcodes) |
- // (1 << kDebugDumpCheckStats) |
- // (1 << kDebugShowSummaryMemoryUsage) |
- // (1 << kDebugShowFilterStats) |
- // (1 << kDebugTimings) |
- // (1 << kDebugCodegenDump) |
- 0;
-
-static CompiledMethod* CompileMethod(CompilerDriver& driver,
- const Compiler* compiler,
- const DexFile::CodeItem* code_item,
- uint32_t access_flags, InvokeType invoke_type,
- uint16_t class_def_idx, uint32_t method_idx,
- jobject class_loader, const DexFile& dex_file,
- void* llvm_compilation_unit) {
- VLOG(compiler) << "Compiling " << PrettyMethod(method_idx, dex_file) << "...";
- if (Compiler::IsPathologicalCase(*code_item, method_idx, dex_file)) {
- return nullptr;
- }
-
- DCHECK(driver.GetCompilerOptions().IsCompilationEnabled());
-
- ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
- InstructionSet instruction_set = driver.GetInstructionSet();
- if (instruction_set == kArm) {
- instruction_set = kThumb2;
- }
- CompilationUnit cu(driver.GetArenaPool(), instruction_set, &driver, class_linker);
-
- // TODO: Mips64 is not yet implemented.
- CHECK((cu.instruction_set == kThumb2) ||
- (cu.instruction_set == kArm64) ||
- (cu.instruction_set == kX86) ||
- (cu.instruction_set == kX86_64) ||
- (cu.instruction_set == kMips));
-
- // TODO: set this from command line
- constexpr bool compiler_flip_match = false;
- const std::string compiler_method_match = "";
-
- bool use_match = !compiler_method_match.empty();
- bool match = use_match && (compiler_flip_match ^
- (PrettyMethod(method_idx, dex_file).find(compiler_method_match) != std::string::npos));
- if (!use_match || match) {
- cu.disable_opt = kCompilerOptimizerDisableFlags;
- cu.enable_debug = kCompilerDebugFlags;
- cu.verbose = VLOG_IS_ON(compiler) ||
- (cu.enable_debug & (1 << kDebugVerbose));
- }
-
- if (driver.GetCompilerOptions().HasVerboseMethods()) {
- cu.verbose = driver.GetCompilerOptions().IsVerboseMethod(PrettyMethod(method_idx, dex_file));
- }
-
- if (cu.verbose) {
- cu.enable_debug |= (1 << kDebugCodegenDump);
- }
-
- /*
- * TODO: rework handling of optimization and debug flags. Should we split out
- * MIR and backend flags? Need command-line setting as well.
- */
-
- compiler->InitCompilationUnit(cu);
-
- cu.StartTimingSplit("BuildMIRGraph");
- cu.mir_graph.reset(new MIRGraph(&cu, &cu.arena));
-
- /*
- * After creation of the MIR graph, also create the code generator.
- * The reason we do this is that optimizations on the MIR graph may need to get information
- * that is only available if a CG exists.
- */
- cu.cg.reset(compiler->GetCodeGenerator(&cu, llvm_compilation_unit));
-
- /* Gathering opcode stats? */
- if (kCompilerDebugFlags & (1 << kDebugCountOpcodes)) {
- cu.mir_graph->EnableOpcodeCounting();
- }
-
- /* Build the raw MIR graph */
- cu.mir_graph->InlineMethod(code_item, access_flags, invoke_type, class_def_idx, method_idx,
- class_loader, dex_file);
-
- if (!compiler->CanCompileMethod(method_idx, dex_file, &cu)) {
- VLOG(compiler) << cu.instruction_set << ": Cannot compile method : "
- << PrettyMethod(method_idx, dex_file);
- cu.EndTiming();
- return nullptr;
- }
-
- cu.NewTimingSplit("MIROpt:CheckFilters");
- std::string skip_message;
- if (cu.mir_graph->SkipCompilation(&skip_message)) {
- VLOG(compiler) << cu.instruction_set << ": Skipping method : "
- << PrettyMethod(method_idx, dex_file) << " Reason = " << skip_message;
- cu.EndTiming();
- return nullptr;
- }
-
- /* Create the pass driver and launch it */
- PassDriverMEOpts pass_driver(&cu);
- pass_driver.Launch();
-
- /* For non-leaf methods check if we should skip compilation when the profiler is enabled. */
- if (cu.compiler_driver->ProfilePresent()
- && !cu.mir_graph->MethodIsLeaf()
- && cu.mir_graph->SkipCompilationByName(PrettyMethod(method_idx, dex_file))) {
- cu.EndTiming();
- return nullptr;
- }
-
- if (cu.enable_debug & (1 << kDebugDumpCheckStats)) {
- cu.mir_graph->DumpCheckStats();
- }
-
- if (kCompilerDebugFlags & (1 << kDebugCountOpcodes)) {
- cu.mir_graph->ShowOpcodeStats();
- }
-
- /* Reassociate sreg names with original Dalvik vreg names. */
- cu.mir_graph->RemapRegLocations();
-
- /* Free Arenas from the cu.arena_stack for reuse by the cu.arena in the codegen. */
- if (cu.enable_debug & (1 << kDebugShowMemoryUsage)) {
- if (cu.arena_stack.PeakBytesAllocated() > 1 * 1024 * 1024) {
- MemStats stack_stats(cu.arena_stack.GetPeakStats());
- LOG(INFO) << PrettyMethod(method_idx, dex_file) << " " << Dumpable<MemStats>(stack_stats);
- }
- }
- cu.arena_stack.Reset();
-
- CompiledMethod* result = NULL;
-
- if (cu.mir_graph->PuntToInterpreter()) {
- VLOG(compiler) << cu.instruction_set << ": Punted method to interpreter: "
- << PrettyMethod(method_idx, dex_file);
- cu.EndTiming();
- return nullptr;
- }
-
- cu.cg->Materialize();
-
- cu.NewTimingSplit("Dedupe"); /* deduping takes up the vast majority of time in GetCompiledMethod(). */
- result = cu.cg->GetCompiledMethod();
- cu.NewTimingSplit("Cleanup");
-
- if (result) {
- VLOG(compiler) << cu.instruction_set << ": Compiled " << PrettyMethod(method_idx, dex_file);
- } else {
- VLOG(compiler) << cu.instruction_set << ": Deferred " << PrettyMethod(method_idx, dex_file);
- }
-
- if (cu.enable_debug & (1 << kDebugShowMemoryUsage)) {
- if (cu.arena.BytesAllocated() > (1 * 1024 *1024)) {
- MemStats mem_stats(cu.arena.GetMemStats());
- LOG(INFO) << PrettyMethod(method_idx, dex_file) << " " << Dumpable<MemStats>(mem_stats);
- }
- }
-
- if (cu.enable_debug & (1 << kDebugShowSummaryMemoryUsage)) {
- LOG(INFO) << "MEMINFO " << cu.arena.BytesAllocated() << " " << cu.mir_graph->GetNumBlocks()
- << " " << PrettyMethod(method_idx, dex_file);
- }
-
- cu.EndTiming();
- driver.GetTimingsLogger()->AddLogger(cu.timings);
- return result;
-}
-
-CompiledMethod* CompileOneMethod(CompilerDriver* driver,
- const Compiler* compiler,
- const DexFile::CodeItem* code_item,
- uint32_t access_flags,
- InvokeType invoke_type,
- uint16_t class_def_idx,
- uint32_t method_idx,
- jobject class_loader,
- const DexFile& dex_file,
- void* compilation_unit) {
- return CompileMethod(*driver, compiler, code_item, access_flags, invoke_type, class_def_idx,
- method_idx, class_loader, dex_file, compilation_unit);
-}
-
-} // namespace art
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