Reland deprecation of HAllocateObject in favor of HAllocate.

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 d9ee5bb38c768567e3ed45d1c46ff80f3592d66e..770cecb7b41963a49fdfec72f1f4539a998d1d5e 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -6007,95 +6007,6 @@ void LCodeGen::DoCheckPrototypeMaps(LCheckPrototypeMaps* instr) {
 }
 
 
-void LCodeGen::DoAllocateObject(LAllocateObject* instr) {
-  class DeferredAllocateObject: public LDeferredCode {
-   public:
-    DeferredAllocateObject(LCodeGen* codegen, LAllocateObject* instr)
-        : LDeferredCode(codegen), instr_(instr) { }
-    virtual void Generate() { codegen()->DoDeferredAllocateObject(instr_); }
-    virtual LInstruction* instr() { return instr_; }
-   private:
-    LAllocateObject* instr_;
-  };
-
-  DeferredAllocateObject* deferred =
-      new(zone()) DeferredAllocateObject(this, instr);
-
-  Register result = ToRegister(instr->result());
-  Register scratch = ToRegister(instr->temp());
-  Handle<JSFunction> constructor = instr->hydrogen()->constructor();
-  Handle<Map> initial_map = instr->hydrogen()->constructor_initial_map();
-  int instance_size = initial_map->instance_size();
-  ASSERT(initial_map->pre_allocated_property_fields() +
-         initial_map->unused_property_fields() -
-         initial_map->inobject_properties() == 0);
-
-  __ Allocate(instance_size, result, no_reg, scratch, deferred->entry(),
-              TAG_OBJECT);
-
-  __ bind(deferred->exit());
-  if (FLAG_debug_code) {
-    Label is_in_new_space;
-    __ JumpIfInNewSpace(result, scratch, &is_in_new_space);
-    __ Abort("Allocated object is not in new-space");
-    __ bind(&is_in_new_space);
-  }
-
-  // Load the initial map.
-  Register map = scratch;
-  __ LoadHeapObject(scratch, constructor);
-  __ mov(map, FieldOperand(scratch, JSFunction::kPrototypeOrInitialMapOffset));
-
-  if (FLAG_debug_code) {
-    __ AssertNotSmi(map);
-    __ cmpb(FieldOperand(map, Map::kInstanceSizeOffset),
-            instance_size >> kPointerSizeLog2);
-    __ Assert(equal, "Unexpected instance size");
-    __ cmpb(FieldOperand(map, Map::kPreAllocatedPropertyFieldsOffset),
-            initial_map->pre_allocated_property_fields());
-    __ Assert(equal, "Unexpected pre-allocated property fields count");
-    __ cmpb(FieldOperand(map, Map::kUnusedPropertyFieldsOffset),
-            initial_map->unused_property_fields());
-    __ Assert(equal, "Unexpected unused property fields count");
-    __ cmpb(FieldOperand(map, Map::kInObjectPropertiesOffset),
-            initial_map->inobject_properties());
-    __ Assert(equal, "Unexpected in-object property fields count");
-  }
-
-  // Initialize map and fields of the newly allocated object.
-  ASSERT(initial_map->instance_type() == JS_OBJECT_TYPE);
-  __ mov(FieldOperand(result, JSObject::kMapOffset), map);
-  __ mov(scratch, factory()->empty_fixed_array());
-  __ mov(FieldOperand(result, JSObject::kElementsOffset), scratch);
-  __ mov(FieldOperand(result, JSObject::kPropertiesOffset), scratch);
-  if (initial_map->inobject_properties() != 0) {
-    __ mov(scratch, factory()->undefined_value());
-    for (int i = 0; i < initial_map->inobject_properties(); i++) {
-      int property_offset = JSObject::kHeaderSize + i * kPointerSize;
-      __ mov(FieldOperand(result, property_offset), scratch);
-    }
-  }
-}
-
-
-void LCodeGen::DoDeferredAllocateObject(LAllocateObject* instr) {
-  Register result = ToRegister(instr->result());
-  Handle<Map> initial_map = instr->hydrogen()->constructor_initial_map();
-  int instance_size = initial_map->instance_size();
-
-  // TODO(3095996): Get rid of this. For now, we need to make the
-  // result register contain a valid pointer because it is already
-  // contained in the register pointer map.
-  __ Set(result, Immediate(0));
-
-  PushSafepointRegistersScope scope(this);
-  __ push(Immediate(Smi::FromInt(instance_size)));
-  CallRuntimeFromDeferred(
-      Runtime::kAllocateInNewSpace, 1, instr, instr->context());
-  __ StoreToSafepointRegisterSlot(result, eax);
-}
-
-
 void LCodeGen::DoAllocate(LAllocate* instr) {
   class DeferredAllocate: public LDeferredCode {
    public: