[stubs] A new approach to TF stubs

src/compiler/pipeline.h

 // 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.
 
 #ifndef V8_COMPILER_PIPELINE_H_
 #define V8_COMPILER_PIPELINE_H_
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
 // Do not include anything from src/compiler here!
 #include "src/compiler.h"
@@ skipping 12 matching lines @@
 class PipelineData;
 class Schedule;
 
 class Pipeline {
  public:
   explicit Pipeline(CompilationInfo* info) : info_(info) {}
 
   // Run the entire pipeline and generate a handle to a code object.
   Handle<Code> GenerateCode();
 
-  // Run the pipeline on an interpreter bytecode handler machine graph and
-  // generate code.
-  static Handle<Code> GenerateCodeForInterpreter(
-      Isolate* isolate, CallDescriptor* call_descriptor, Graph* graph,
-      Schedule* schedule, const char* bytecode_name);
+  // Run the pipeline on an code stub machine graph and generate code.

[Michael Starzinger, 2015/12/01 18:06:53]

nit: I know you didn't introduce this comment, but can we add a sentence along
the lines of "a valid schedule must be provided" here?

[danno, 2015/12/02 07:00:19]

Done.

+  static Handle<Code> GenerateCodeForCodeStub(Isolate* isolate,
+                                              CallDescriptor* call_descriptor,
+                                              Graph* graph, Schedule* schedule,
+                                              Code::Kind kind,
+                                              const char* bytecode_name);
 
   // Run the pipeline on a machine graph and generate code. If {schedule} is
   // {nullptr}, then compute a new schedule for code generation.
   static Handle<Code> GenerateCodeForTesting(CompilationInfo* info,
                                              Graph* graph,
                                              Schedule* schedule = nullptr);
 
   // Run just the register allocator phases.
   static bool AllocateRegistersForTesting(const RegisterConfiguration* config,
                                           InstructionSequence* sequence,
@@ skipping 24 matching lines @@
   Handle<Code> ScheduleAndGenerateCode(CallDescriptor* call_descriptor);
   void AllocateRegisters(const RegisterConfiguration* config,
                          CallDescriptor* descriptor, bool run_verifier);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_PIPELINE_H_