[turbofan]: Integrate basic type feedback for property accesses.

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-numbering.h"
 #include "src/bootstrapper.h"
@@ skipping 400 matching lines @@
     if (FLAG_trace_opt) {
       OFStream os(stdout);
       os << "[compiling method " << Brief(*info()->closure())
          << " using TurboFan";
       if (info()->is_osr()) os << " OSR";
       os << "]" << std::endl;
     }
 
     if (info()->shared_info()->asm_function()) {
       info()->MarkAsContextSpecializing();
+    } else if (FLAG_turbo_type_feedback) {

[Michael Starzinger, 2015/03/24 09:06:39]

Can we please move this into the CompilationInfo constructor?

[titzer, 2015/03/24 10:49:31]

As discussed in person, we only want to enable type feedback for non-asm
functions at the moment.

[Michael Starzinger, 2015/03/24 12:11:17]

Acknowledged.

+      info()->MarkAsTypeFeedbackEnabled();
     }
 
     Timer t(this, &time_taken_to_create_graph_);
     compiler::Pipeline pipeline(info());
     pipeline.GenerateCode();
     if (!info()->code().is_null()) {
       return SetLastStatus(SUCCEEDED);
     }
   }
 
@@ skipping 1134 matching lines @@
   parse_info_ = nullptr;
 }
 
 #if DEBUG
 void CompilationInfo::PrintAstForTesting() {
   PrintF("--- Source from AST ---\n%s\n",
          PrettyPrinter(isolate(), zone()).PrintProgram(function()));
 }
 #endif
 } }  // namespace v8::internal