Refactor polymorphic load and inline function graph construction.

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc
index 237ce554801aaf789b991248e776255cf06ef691..4440cdfab7834180f8e31f0e7cebbb4e5b415ca3 100644
--- a/src/ia32/lithium-ia32.cc
+++ b/src/ia32/lithium-ia32.cc
@@ -469,7 +469,7 @@ int LChunk::GetParameterStackSlot(int index) const {
   // shift all parameter indexes down by the number of parameters, and
   // make sure they end up negative so they are distinguishable from
   // spill slots.
-  int result = index - graph()->info()->scope()->num_parameters() - 1;
+  int result = index - info()->scope()->num_parameters() - 1;
   ASSERT(result < 0);
   return result;
 }
@@ -477,7 +477,7 @@ int LChunk::GetParameterStackSlot(int index) const {
 // A parameter relative to ebp in the arguments stub.
 int LChunk::ParameterAt(int index) {
   ASSERT(-1 <= index);  // -1 is the receiver.
-  return (1 + graph()->info()->scope()->num_parameters() - index) *
+  return (1 + info()->scope()->num_parameters() - index) *
       kPointerSize;
 }
 
@@ -516,7 +516,7 @@ Representation LChunk::LookupLiteralRepresentation(
 
 LChunk* LChunkBuilder::Build() {
   ASSERT(is_unused());
-  chunk_ = new LChunk(graph());
+  chunk_ = new LChunk(info(), graph());
   HPhase phase("Building chunk", chunk_);
   status_ = BUILDING;
   const ZoneList<HBasicBlock*>* blocks = graph()->blocks();
@@ -533,8 +533,8 @@ LChunk* LChunkBuilder::Build() {
 
 void LChunkBuilder::Abort(const char* format, ...) {
   if (FLAG_trace_bailout) {
-    SmartPointer<char> debug_name = graph()->debug_name()->ToCString();
-    PrintF("Aborting LChunk building in @\"%s\": ", *debug_name);
+    SmartPointer<char> name(info()->shared_info()->DebugName()->ToCString());
+    PrintF("Aborting LChunk building in @\"%s\": ", *name);
     va_list arguments;
     va_start(arguments, format);
     OS::VPrint(format, arguments);