Refactor polymorphic load and inline function graph construction.

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index 65177d876b4f41856ff0d6d08c2cd0e50c180df0..e79465cb3a4689e20a8afb0a649da81bc9eb5230 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -382,8 +382,9 @@ void LStoreKeyedGeneric::PrintDataTo(StringStream* stream) {
 }
 
 
-LChunk::LChunk(HGraph* graph)
+LChunk::LChunk(CompilationInfo* info, HGraph* graph)
     : spill_slot_count_(0),
+      info_(info),
       graph_(graph),
       instructions_(32),
       pointer_maps_(8),
@@ -474,7 +475,7 @@ 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;
 }
@@ -482,7 +483,7 @@ 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;
 }
 
@@ -521,7 +522,7 @@ 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();
@@ -538,8 +539,8 @@ 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);