Replace CheckBuilder with IfBuilder everywhere.

src/hydrogen.cc

 // 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
@@ skipping 624 matching lines @@
 }
 
 
 DEFINE_GET_CONSTANT(True, true, HType::Boolean(), true)
 DEFINE_GET_CONSTANT(False, false, HType::Boolean(), false)
 DEFINE_GET_CONSTANT(Hole, the_hole, HType::Tagged(), false)
 
 #undef DEFINE_GET_CONSTANT
 
 
-HGraphBuilder::CheckBuilder::CheckBuilder(HGraphBuilder* builder)
-    : builder_(builder),
-      finished_(false) {
-  HEnvironment* env = builder->environment();
-  failure_block_ = builder->CreateBasicBlock(env->Copy());
-  merge_block_ = builder->CreateBasicBlock(env->Copy());
-}
-
-
-HValue* HGraphBuilder::CheckBuilder::CheckNotUndefined(HValue* value) {
-  HEnvironment* env = builder_->environment();
-  HCompareObjectEqAndBranch* compare =
-      new(zone()) HCompareObjectEqAndBranch(
-          value,
-          builder_->graph()->GetConstantUndefined());
-  HBasicBlock* success_block = builder_->CreateBasicBlock(env->Copy());
-  HBasicBlock* failure_block = builder_->CreateBasicBlock(env->Copy());
-  compare->SetSuccessorAt(0, failure_block);
-  compare->SetSuccessorAt(1, success_block);
-  failure_block->GotoNoSimulate(failure_block_);
-  builder_->current_block()->Finish(compare);
-  builder_->set_current_block(success_block);
-  return compare;
-}
-
-
-HValue* HGraphBuilder::CheckBuilder::CheckIntegerCompare(HValue* left,
-                                                         HValue* right,
-                                                         Token::Value op) {
-  HEnvironment* env = builder_->environment();
-  HCompareIDAndBranch* compare =
-      new(zone()) HCompareIDAndBranch(left, right, op);
-  compare->AssumeRepresentation(Representation::Integer32());
-  HBasicBlock* success_block = builder_->CreateBasicBlock(env->Copy());
-  HBasicBlock* failure_block = builder_->CreateBasicBlock(env->Copy());
-  compare->SetSuccessorAt(0, success_block);
-  compare->SetSuccessorAt(1, failure_block);
-  failure_block->GotoNoSimulate(failure_block_);
-  builder_->current_block()->Finish(compare);
-  builder_->set_current_block(success_block);
-  return compare;
-}
-
-
-HValue* HGraphBuilder::CheckBuilder::CheckIntegerEq(HValue* left,
-                                                    HValue* right) {
-  return CheckIntegerCompare(left, right, Token::EQ);
-}
-
-
-void HGraphBuilder::CheckBuilder::End() {
-  ASSERT(!finished_);
-  builder_->current_block()->GotoNoSimulate(merge_block_);
-  if (failure_block_->HasPredecessor()) {
-    failure_block_->FinishExitWithDeoptimization(HDeoptimize::kUseAll);
-  }
-  builder_->set_current_block(merge_block_);
-  finished_ = true;
-}
-
-
 HConstant* HGraph::GetInvalidContext() {
   return GetConstantInt32(&constant_invalid_context_, 0xFFFFC0C7);
 }
 
 
 HGraphBuilder::IfBuilder::IfBuilder(HGraphBuilder* builder, int position)
     : builder_(builder),
       position_(position),
       finished_(false),
       did_then_(false),
@@ skipping 600 matching lines @@
       length_checker.IfCompare(key, length, Token::LT);
       length_checker.Then();
       IfBuilder negative_checker(this);
       HValue* bounds_check = negative_checker.IfCompare(
           key, graph()->GetConstant0(), Token::GTE);
       negative_checker.Then();
       HInstruction* result = BuildExternalArrayElementAccess(
           external_elements, key, val, bounds_check,
           elements_kind, is_store);
       AddInstruction(result);
-      negative_checker.Else();
-      negative_checker.Deopt();
-      negative_checker.End();
+      negative_checker.ElseDeopt();
       length_checker.End();
       return result;
     } else {
       ASSERT(store_mode == STANDARD_STORE);
       checked_key = AddBoundsCheck(
           key, length, ALLOW_SMI_KEY, checked_index_representation);
       HLoadExternalArrayPointer* external_elements =
           new(zone) HLoadExternalArrayPointer(elements);
       AddInstruction(external_elements);
       return AddInstruction(BuildExternalArrayElementAccess(
@@ skipping 10533 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify(false);  // No full verify.
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal