Revert^4 "x86_64: Add JIT support for LoadMethodType."

This reverts commit b63adc919ba9a53f4fbad476356c702845821149.

Bringing back map from ArtMethod to code pointers.

Bug: 297147201
Test: CtsPerfettoTestCases
Test: ./art/test/testrunner/testrunner.py --host --64 --jit -b
Test: ./art/test/testrunner/testrunner.py --host --64 --jit --cms -b
Test: ./art/test/testrunner/testrunner.py --host --64 -b
Test: ./art/test.py --host -b

Change-Id: I6a1c50598ec878393edf8ef895274da79d4ab42d

1 files changed, 41 insertions, 0 deletions

diff --git a/compiler/optimizing/sharpening.cc b/compiler/optimizing/sharpening.cc
index cb94491b8e..1b6a9fb601 100644
--- a/compiler/optimizing/sharpening.cc
+++ b/compiler/optimizing/sharpening.cc
@@ -471,4 +471,45 @@ void HSharpening::ProcessLoadString(
   load_string->SetLoadKind(load_kind);
 }
 
+void HSharpening::ProcessLoadMethodType(
+    HLoadMethodType* load_method_type,
+    CodeGenerator* codegen,
+    const DexCompilationUnit& dex_compilation_unit,
+    VariableSizedHandleScope* handles) {
+  const CompilerOptions& compiler_options = codegen->GetCompilerOptions();
+
+  HLoadMethodType::LoadKind desired_load_kind = static_cast<HLoadMethodType::LoadKind>(-1);
+
+  if (compiler_options.IsJitCompiler()) {
+    DCHECK(!compiler_options.GetCompilePic());
+    Runtime* runtime = Runtime::Current();
+    ClassLinker* class_linker = runtime->GetClassLinker();
+    ScopedObjectAccess soa(Thread::Current());
+    ObjPtr<mirror::MethodType> method_type =
+        class_linker->ResolveMethodType(Thread::Current(),
+                                        load_method_type->GetProtoIndex(),
+                                        dex_compilation_unit.GetDexCache(),
+                                        dex_compilation_unit.GetClassLoader());
+
+    if (method_type != nullptr) {
+      load_method_type->SetMethodType(handles->NewHandle(method_type));
+      desired_load_kind = HLoadMethodType::LoadKind::kJitTableAddress;
+    } else {
+      DCHECK_EQ(load_method_type->GetLoadKind(), HLoadMethodType::LoadKind::kRuntimeCall);
+      desired_load_kind = HLoadMethodType::LoadKind::kRuntimeCall;
+      Thread::Current()->ClearException();
+    }
+  } else {
+    if (compiler_options.GetCompilePic()) {
+      desired_load_kind = HLoadMethodType::LoadKind::kBssEntry;
+    } else {
+      // Test configuration, do not sharpen.
+      desired_load_kind = HLoadMethodType::LoadKind::kRuntimeCall;
+    }
+  }
+
+  DCHECK_NE(desired_load_kind, static_cast<HLoadMethodType::LoadKind>(-1));
+  load_method_type->SetLoadKind(desired_load_kind);
+}
+
 }  // namespace art