Enable map dependency to in-flight compilation info.

src/x64/lithium-codegen-x64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 74 matching lines @@
 
 
 void LCodeGen::FinishCode(Handle<Code> code) {
   ASSERT(is_done());
   code->set_stack_slots(GetStackSlotCount());
   code->set_safepoint_table_offset(safepoints_.GetCodeOffset());
   if (FLAG_weak_embedded_maps_in_optimized_code) {
     RegisterDependentCodeForEmbeddedMaps(code);
   }
   PopulateDeoptimizationData(code);
-  for (int i = 0 ; i < prototype_maps_.length(); i++) {
-    prototype_maps_.at(i)->AddDependentCode(
-        DependentCode::kPrototypeCheckGroup, code);
-  }
+  info()->CommitDependentMaps(code);
+
   for (int i = 0 ; i < transition_maps_.length(); i++) {
     transition_maps_.at(i)->AddDependentCode(
         DependentCode::kTransitionGroup, code);
   }
   if (graph()->depends_on_empty_array_proto_elements()) {
     isolate()->initial_object_prototype()->map()->AddDependentCode(
         DependentCode::kElementsCantBeAddedGroup, code);
     isolate()->initial_array_prototype()->map()->AddDependentCode(
         DependentCode::kElementsCantBeAddedGroup, code);
   }
@@ skipping 4962 matching lines @@
 
 
 void LCodeGen::DoCheckPrototypeMaps(LCheckPrototypeMaps* instr) {
   Register reg = ToRegister(instr->temp());
 
   ZoneList<Handle<JSObject> >* prototypes = instr->prototypes();
   ZoneList<Handle<Map> >* maps = instr->maps();
 
   ASSERT(prototypes->length() == maps->length());
 
-  if (instr->hydrogen()->CanOmitPrototypeChecks()) {
-    for (int i = 0; i < maps->length(); i++) {
-      prototype_maps_.Add(maps->at(i), info()->zone());
-    }
-  } else {
+  if (!instr->hydrogen()->CanOmitPrototypeChecks()) {
     for (int i = 0; i < prototypes->length(); i++) {
       __ LoadHeapObject(reg, prototypes->at(i));
       DoCheckMapCommon(reg, maps->at(i), instr);
     }
   }
 }
 
 
 void LCodeGen::DoAllocate(LAllocate* instr) {
   class DeferredAllocate: public LDeferredCode {
@@ skipping 516 matching lines @@
                                FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64