[crankshaft] Remove graph builder from optimized compile job.

src/compiler.cc

 // Copyright 2012 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/compiler.h"
 
 #include <algorithm>
 
 #include "src/ast/ast-numbering.h"
 #include "src/ast/prettyprinter.h"
@@ skipping 472 matching lines @@
            info()->scope(), info()->osr_ast_id(), info()->literal())
       .Run();
 
   // Optimization could have been disabled by the parser. Note that this check
   // is only needed because the Hydrogen graph builder is missing some bailouts.
   if (info()->shared_info()->optimization_disabled()) {
     return AbortOptimization(
         info()->shared_info()->disable_optimization_reason());
   }
 
-  graph_builder_ = (info()->is_tracking_positions() || FLAG_trace_ic)
-                       ? new (info()->zone())
-                             HOptimizedGraphBuilderWithPositions(info())
-                       : new (info()->zone()) HOptimizedGraphBuilder(info());
+  HOptimizedGraphBuilder* graph_builder =
+      (info()->is_tracking_positions() || FLAG_trace_ic)
+          ? new (info()->zone()) HOptimizedGraphBuilderWithPositions(info())
+          : new (info()->zone()) HOptimizedGraphBuilder(info());
 
   Timer t(this, &time_taken_to_create_graph_);
-  graph_ = graph_builder_->CreateGraph();
+  graph_ = graph_builder->CreateGraph();
 
   if (isolate()->has_pending_exception()) {
     return SetLastStatus(FAILED);
   }
 
   if (graph_ == NULL) return SetLastStatus(BAILED_OUT);
 
   if (info()->dependencies()->HasAborted()) {
     // Dependency has changed during graph creation. Let's try again later.
     return RetryOptimization(kBailedOutDueToDependencyChange);
@@ skipping 16 matching lines @@
   }
 
   Timer t(this, &time_taken_to_optimize_);
   DCHECK(graph_ != NULL);
   BailoutReason bailout_reason = kNoReason;
 
   if (graph_->Optimize(&bailout_reason)) {
     chunk_ = LChunk::NewChunk(graph_);
     if (chunk_ != NULL) return SetLastStatus(SUCCEEDED);
   } else if (bailout_reason != kNoReason) {
-    graph_builder_->Bailout(bailout_reason);
+    info_->AbortOptimization(bailout_reason);
   }
 
   return SetLastStatus(BAILED_OUT);
 }
 
 
 namespace {
 
 void AddWeakObjectToCodeDependency(Isolate* isolate, Handle<HeapObject> object,
                                    Handle<Code> code) {
@@ skipping 1341 matching lines @@
 }
 
 #if DEBUG
 void CompilationInfo::PrintAstForTesting() {
   PrintF("--- Source from AST ---\n%s\n",
          PrettyPrinter(isolate()).PrintProgram(literal()));
 }
 #endif
 }  // namespace internal
 }  // namespace v8