Implement inlining of constructor calls.

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 5e126ec7a6ad35c2ba70fc0a8c6057805ce5ea20..d146afee0ed9746bced0f5067601d4684b6aec84 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -1000,10 +1000,11 @@ LEnvironment* LChunkBuilder::CreateEnvironment(
   LEnvironment* outer =
       CreateEnvironment(hydrogen_env->outer(), argument_index_accumulator);
   int ast_id = hydrogen_env->ast_id();
-  ASSERT(ast_id != AstNode::kNoNumber || hydrogen_env->is_arguments_adaptor());
+  ASSERT(ast_id != AstNode::kNoNumber ||
+         hydrogen_env->frame_type() != JS_FUNCTION);
   int value_count = hydrogen_env->length();
   LEnvironment* result = new LEnvironment(hydrogen_env->closure(),
-                                          hydrogen_env->is_arguments_adaptor(),
+                                          hydrogen_env->frame_type(),
                                           ast_id,
                                           hydrogen_env->parameter_count(),
                                           argument_count_,
@@ -1025,7 +1026,7 @@ LEnvironment* LChunkBuilder::CreateEnvironment(
     result->AddValue(op, value->representation());
   }
 
-  if (!hydrogen_env->is_arguments_adaptor()) {
+  if (hydrogen_env->frame_type() == JS_FUNCTION) {
     *argument_index_accumulator = argument_index;
   }
 
@@ -2093,6 +2094,13 @@ LInstruction* LChunkBuilder::DoStringLength(HStringLength* instr) {
 }
 
 
+LInstruction* LChunkBuilder::DoAllocateObject(HAllocateObject* instr) {
+  LOperand* function = UseRegister(instr->function());

[Vyacheslav Egorov (Chromium), 2012/02/13 15:01:39]

do we really need a register for this constant?

[Michael Starzinger, 2012/02/27 14:16:32]

Done.

+  LAllocateObject* result = new LAllocateObject(function);
+  return AssignPointerMap(DefineAsRegister(result));
+}
+
+
 LInstruction* LChunkBuilder::DoArrayLiteral(HArrayLiteral* instr) {
   return MarkAsCall(DefineFixed(new LArrayLiteral, r0), instr);
 }
@@ -2246,7 +2254,8 @@ LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
                                                instr->arguments_count(),
                                                instr->function(),
                                                undefined,
-                                               instr->call_kind());
+                                               instr->call_kind(),
+                                               instr->is_construct());
   current_block_->UpdateEnvironment(inner);
   chunk_->AddInlinedClosure(instr->closure());
   return NULL;