Refactor polymorphic load and inline function graph construction.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index f778412272dea7478ffeea44cc7de77c501e11c9..9dcca9eea2dc4795895f134f44d8e930be7e4054 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -93,8 +93,8 @@ void LCodeGen::FinishCode(Handle<Code> code) {
 
 void LCodeGen::Abort(const char* format, ...) {
   if (FLAG_trace_bailout) {
-    SmartPointer<char> debug_name = graph()->debug_name()->ToCString();
-    PrintF("Aborting LCodeGen in @\"%s\": ", *debug_name);
+    SmartPointer<char> name(info()->shared_info()->DebugName()->ToCString());
+    PrintF("Aborting LCodeGen in @\"%s\": ", *name);
     va_list arguments;
     va_start(arguments, format);
     OS::VPrint(format, arguments);
@@ -2361,7 +2361,7 @@ void LCodeGen::CallKnownFunction(Handle<JSFunction> function,
                                  LInstruction* instr) {
   // Change context if needed.
   bool change_context =
-      (graph()->info()->closure()->context() != function->context()) ||
+      (info()->closure()->context() != function->context()) ||
       scope()->contains_with() ||
       (scope()->num_heap_slots() > 0);
   if (change_context) {
@@ -2380,7 +2380,7 @@ void LCodeGen::CallKnownFunction(Handle<JSFunction> function,
   RecordPosition(pointers->position());
 
   // Invoke function.
-  if (*function == *graph()->info()->closure()) {
+  if (*function == *info()->closure()) {
     __ CallSelf();
   } else {
     __ call(FieldOperand(edi, JSFunction::kCodeEntryOffset));