Simplified BuildFastLiteral by eliminating manual allocation folding.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23030002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16422 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/hydrogen.h

@@ -2063,60 +2063,31 @@ class HOptimizedGraphBuilder V8_FINAL
 
   HInstruction* BuildThisFunction();
 
-  HInstruction* BuildFastLiteral(HValue* context,
-                                 Handle<JSObject> boilerplate_object,
-                                 Handle<JSObject> original_boilerplate_object,
+  HInstruction* BuildFastLiteral(Handle<JSObject> boilerplate_object,
                                  Handle<Object> allocation_site,
-                                 int data_size,
-                                 int pointer_size,
                                  AllocationSiteMode mode);
 
-  void BuildEmitDeepCopy(Handle<JSObject> boilerplat_object,
-                         Handle<JSObject> object,
-                         Handle<Object> allocation_site,
-                         HInstruction* target,
-                         int* offset,
-                         HInstruction* data_target,
-                         int* data_offset,
-                         AllocationSiteMode mode);
-
-  MUST_USE_RESULT HValue* BuildEmitObjectHeader(
-      Handle<JSObject> boilerplat_object,
-      HInstruction* target,
-      HInstruction* data_target,
-      int object_offset,
-      int elements_offset,
-      int elements_size);
+  void BuildEmitObjectHeader(Handle<JSObject> boilerplate_object,
+                             HInstruction* object);
+
+  void BuildInitElementsInObjectHeader(Handle<JSObject> boilerplate_object,
+                                       HInstruction* object,
+                                       HInstruction* object_elements);
 
   void BuildEmitInObjectProperties(Handle<JSObject> boilerplate_object,
-                                   Handle<JSObject> original_boilerplate_object,
-                                   HValue* object_properties,
-                                   HInstruction* target,
-                                   int* offset,
-                                   HInstruction* data_target,
-                                   int* data_offset);
-
-  void BuildEmitElements(Handle<FixedArrayBase> elements,
-                         Handle<FixedArrayBase> original_elements,
-                         ElementsKind kind,
-                         HValue* object_elements,
-                         HInstruction* target,
-                         int* offset,
-                         HInstruction* data_target,
-                         int* data_offset);
+                                   HInstruction* object);
+
+  void BuildEmitElements(Handle<JSObject> boilerplate_object,
+                         Handle<FixedArrayBase> elements,
+                         HValue* object_elements);
 
   void BuildEmitFixedDoubleArray(Handle<FixedArrayBase> elements,
                                  ElementsKind kind,
                                  HValue* object_elements);
 
   void BuildEmitFixedArray(Handle<FixedArrayBase> elements,
-                           Handle<FixedArrayBase> original_elements,
                            ElementsKind kind,
-                           HValue* object_elements,
-                           HInstruction* target,
-                           int* offset,
-                           HInstruction* data_target,
-                           int* data_offset);
+                           HValue* object_elements);
 
   void AddCheckPrototypeMaps(Handle<JSObject> holder,
                              Handle<Map> receiver_map);

test/mjsunit/fast-literal.js

+// Copyright 2012 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
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax --no-inline-new --nouse-allocation-folding
+
+%SetAllocationTimeout(10, 0);
+function f() {
+  return [[1, 2, 3], [1.1, 1.2, 1.3], [[], [], []]];
+}
+
+f(); f(); f();
+%OptimizeFunctionOnNextCall(f);
+for (var i=0; i<1000; i++) {
+  f();
+}
+
+
+