Tiny refactoring - change compilation phase parameter for CopyForInlining from...

Tiny refactoring - change compilation phase parameter for CopyForInlining from a boolean to an enum.

BUG=
TEST=

Review URL: http://codereview.chromium.org/6913021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7782 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/lithium-arm.cc

@@ -2127,7 +2127,7 @@ LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
   HConstant* undefined = graph()->GetConstantUndefined();
   HEnvironment* inner = outer->CopyForInlining(instr->closure(),
                                                instr->function(),
-                                               false,
+                                               HEnvironment::LITHIUM,
                                                undefined);
   current_block_->UpdateEnvironment(inner);
   chunk_->AddInlinedClosure(instr->closure());

src/hydrogen.cc

@@ -4106,7 +4106,10 @@ bool HGraphBuilder::TryInline(Call* expr) {
 
   HConstant* undefined = graph()->GetConstantUndefined();
   HEnvironment* inner_env =
-      environment()->CopyForInlining(target, function, true, undefined);
+      environment()->CopyForInlining(target,
+                                     function,
+                                     HEnvironment::HYDROGEN,
+                                     undefined);
   HBasicBlock* body_entry = CreateBasicBlock(inner_env);
   current_block()->Goto(body_entry);
 
@@ -5735,7 +5738,7 @@ HEnvironment* HEnvironment::CopyAsLoopHeader(HBasicBlock* loop_header) const {
 
 HEnvironment* HEnvironment::CopyForInlining(Handle<JSFunction> target,
                                             FunctionLiteral* function,
-                                            bool is_speculative,
+                                            CompilationPhase compilation_phase,
                                             HConstant* undefined) const {
   // Outer environment is a copy of this one without the arguments.
   int arity = function->scope()->num_parameters();
@@ -5746,14 +5749,16 @@ HEnvironment* HEnvironment::CopyForInlining(Handle<JSFunction> target,
   HEnvironment* inner =
       new(zone) HEnvironment(outer, function->scope(), target);
   // Get the argument values from the original environment.
-  if (is_speculative) {
+  if (compilation_phase == HYDROGEN) {
     for (int i = 0; i <= arity; ++i) {  // Include receiver.
       HValue* push = ExpressionStackAt(arity - i);
       inner->SetValueAt(i, push);
     }
   } else {
+    ASSERT(compilation_phase == LITHIUM);
     for (int i = 0; i <= arity; ++i) {  // Include receiver.
-      inner->SetValueAt(i, ExpressionStackAt(arity - i));
+      HValue* push = ExpressionStackAt(arity - i);
+      inner->SetValueAt(i, push);
     }
   }
 

src/hydrogen.h

@@ -308,6 +308,8 @@ Zone* HBasicBlock::zone() { return graph_->zone(); }
 
 class HEnvironment: public ZoneObject {
  public:
+  enum CompilationPhase { HYDROGEN, LITHIUM };
+
   HEnvironment(HEnvironment* outer,
                Scope* scope,
                Handle<JSFunction> closure);
@@ -384,7 +386,7 @@ class HEnvironment: public ZoneObject {
   // instructions, otherwise they are the actual values.
   HEnvironment* CopyForInlining(Handle<JSFunction> target,
                                 FunctionLiteral* function,
-                                bool is_speculative,
+                                CompilationPhase compilation_phase,
                                 HConstant* undefined) const;
 
   void AddIncomingEdge(HBasicBlock* block, HEnvironment* other);

src/ia32/lithium-ia32.cc

@@ -2190,7 +2190,7 @@ LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
   HConstant* undefined = graph()->GetConstantUndefined();
   HEnvironment* inner = outer->CopyForInlining(instr->closure(),
                                                instr->function(),
-                                               false,
+                                               HEnvironment::LITHIUM,
                                                undefined);
   current_block_->UpdateEnvironment(inner);
   chunk_->AddInlinedClosure(instr->closure());

src/x64/lithium-x64.cc

@@ -2122,7 +2122,7 @@ LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
   HConstant* undefined = graph()->GetConstantUndefined();
   HEnvironment* inner = outer->CopyForInlining(instr->closure(),
                                                instr->function(),
-                                               false,
+                                               HEnvironment::LITHIUM,
                                                undefined);
   current_block_->UpdateEnvironment(inner);
   chunk_->AddInlinedClosure(instr->closure());