Merge V8 5.2.361.47  DO NOT MERGE

https://chromium.googlesource.com/v8/v8/+/5.2.361.47

FPIIM-449

Change-Id: Ibec421b85a9b88cb3a432ada642e469fe7e78346
(cherry picked from commit bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8)
diff --git a/src/compiler/pipeline.h b/src/compiler/pipeline.h
index edb8191..64befbf 100644
--- a/src/compiler/pipeline.h
+++ b/src/compiler/pipeline.h
@@ -13,6 +13,7 @@
 namespace internal {
 
 class CompilationInfo;
+class CompilationJob;
 class RegisterConfiguration;
 
 namespace compiler {
@@ -20,16 +21,18 @@
 class CallDescriptor;
 class Graph;
 class InstructionSequence;
-class Linkage;
-class PipelineData;
 class Schedule;
+class SourcePositionTable;
 
-class Pipeline {
+class Pipeline : public AllStatic {
  public:
-  explicit Pipeline(CompilationInfo* info) : info_(info) {}
+  // Returns a new compilation job for the given function.
+  static CompilationJob* NewCompilationJob(Handle<JSFunction> function);
 
-  // Run the entire pipeline and generate a handle to a code object.
-  Handle<Code> GenerateCode();
+  // Returns a new compilation job for the WebAssembly compilation info.
+  static CompilationJob* NewWasmCompilationJob(
+      CompilationInfo* info, Graph* graph, CallDescriptor* descriptor,
+      SourcePositionTable* source_positions);
 
   // Run the pipeline on a machine graph and generate code. The {schedule} must
   // be valid, hence the given {graph} does not need to be schedulable.
@@ -39,6 +42,10 @@
                                               Code::Flags flags,
                                               const char* debug_name);
 
+  // Run the entire pipeline and generate a handle to a code object suitable for
+  // testing.
+  static Handle<Code> GenerateCodeForTesting(CompilationInfo* info);
+
   // 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,
@@ -58,27 +65,7 @@
                                              Schedule* schedule = nullptr);
 
  private:
-  // Helpers for executing pipeline phases.
-  template <typename Phase>
-  void Run();
-  template <typename Phase, typename Arg0>
-  void Run(Arg0 arg_0);
-  template <typename Phase, typename Arg0, typename Arg1>
-  void Run(Arg0 arg_0, Arg1 arg_1);
-
-  void BeginPhaseKind(const char* phase_kind);
-  void RunPrintAndVerify(const char* phase, bool untyped = false);
-  Handle<Code> ScheduleAndGenerateCode(CallDescriptor* call_descriptor);
-  void AllocateRegisters(const RegisterConfiguration* config,
-                         CallDescriptor* descriptor, bool run_verifier);
-
-  CompilationInfo* info() const { return info_; }
-  Isolate* isolate() const;
-
-  CompilationInfo* const info_;
-  PipelineData* data_;
-
-  DISALLOW_COPY_AND_ASSIGN(Pipeline);
+  DISALLOW_IMPLICIT_CONSTRUCTORS(Pipeline);
 };
 
 }  // namespace compiler