PPC: [deoptimizer] Basic support inlining based on SharedFunctionInfo.

src/ppc/lithium-codegen-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/cpu-profiler.h"
@@ skipping 552 matching lines @@
 void LCodeGen::WriteTranslation(LEnvironment* environment,
                                 Translation* translation) {
   if (environment == NULL) return;
 
   // The translation includes one command per value in the environment.
   int translation_size = environment->translation_size();
   // The output frame height does not include the parameters.
   int height = translation_size - environment->parameter_count();
 
   WriteTranslation(environment->outer(), translation);
-  bool has_closure_id =
-      !info()->closure().is_null() &&
-      !info()->closure().is_identical_to(environment->closure());
-  int closure_id = has_closure_id
-                       ? DefineDeoptimizationLiteral(environment->closure())
-                       : Translation::kSelfLiteralId;
 
   switch (environment->frame_type()) {
-    case JS_FUNCTION:
-      translation->BeginJSFrame(environment->ast_id(), closure_id, height);
+    case JS_FUNCTION: {
+      int shared_id = DefineDeoptimizationLiteral(
+          environment->entry() ? environment->entry()->shared()
+                               : info()->shared_info());
+      translation->BeginJSFrame(environment->ast_id(), shared_id, height);
+      if (info()->closure().is_identical_to(environment->closure())) {
+        translation->StoreJSFrameFunction();
+      } else {
+        int closure_id = DefineDeoptimizationLiteral(environment->closure());
+        translation->StoreLiteral(closure_id);
+      }
       break;
-    case JS_CONSTRUCT:
-      translation->BeginConstructStubFrame(closure_id, translation_size);
+    }
+    case JS_CONSTRUCT: {
+      int shared_id = DefineDeoptimizationLiteral(
+          environment->entry() ? environment->entry()->shared()
+                               : info()->shared_info());
+      translation->BeginConstructStubFrame(shared_id, translation_size);
+      if (info()->closure().is_identical_to(environment->closure())) {
+        translation->StoreJSFrameFunction();
+      } else {
+        int closure_id = DefineDeoptimizationLiteral(environment->closure());
+        translation->StoreLiteral(closure_id);
+      }
       break;
-    case JS_GETTER:
+    }
+    case JS_GETTER: {
       DCHECK(translation_size == 1);
       DCHECK(height == 0);
-      translation->BeginGetterStubFrame(closure_id);
+      int shared_id = DefineDeoptimizationLiteral(
+          environment->entry() ? environment->entry()->shared()
+                               : info()->shared_info());
+      translation->BeginGetterStubFrame(shared_id);
+      if (info()->closure().is_identical_to(environment->closure())) {
+        translation->StoreJSFrameFunction();
+      } else {
+        int closure_id = DefineDeoptimizationLiteral(environment->closure());
+        translation->StoreLiteral(closure_id);
+      }
       break;
-    case JS_SETTER:
+    }
+    case JS_SETTER: {
       DCHECK(translation_size == 2);
       DCHECK(height == 0);
-      translation->BeginSetterStubFrame(closure_id);
+      int shared_id = DefineDeoptimizationLiteral(
+          environment->entry() ? environment->entry()->shared()
+                               : info()->shared_info());
+      translation->BeginSetterStubFrame(shared_id);
+      if (info()->closure().is_identical_to(environment->closure())) {
+        translation->StoreJSFrameFunction();
+      } else {
+        int closure_id = DefineDeoptimizationLiteral(environment->closure());
+        translation->StoreLiteral(closure_id);
+      }
       break;
+    }
+    case ARGUMENTS_ADAPTOR: {
+      int shared_id = DefineDeoptimizationLiteral(
+          environment->entry() ? environment->entry()->shared()
+                               : info()->shared_info());
+      translation->BeginArgumentsAdaptorFrame(shared_id, translation_size);
+      if (info()->closure().is_identical_to(environment->closure())) {
+        translation->StoreJSFrameFunction();
+      } else {
+        int closure_id = DefineDeoptimizationLiteral(environment->closure());
+        translation->StoreLiteral(closure_id);
+      }
+      break;
+    }
     case STUB:
       translation->BeginCompiledStubFrame(translation_size);
       break;
-    case ARGUMENTS_ADAPTOR:
-      translation->BeginArgumentsAdaptorFrame(closure_id, translation_size);
-      break;
   }
 
   int object_index = 0;
   int dematerialized_index = 0;
   for (int i = 0; i < translation_size; ++i) {
     LOperand* value = environment->values()->at(i);
     AddToTranslation(
         environment, translation, value, environment->HasTaggedValueAt(i),
         environment->HasUint32ValueAt(i), &object_index, &dematerialized_index);
   }
@@ skipping 5662 matching lines @@
   __ Push(scope_info);
   __ push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8