Extend ToBooleanStub to be able to return oddballs.

src/compiler/js-generic-lowering.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/code-stubs.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph-inl.h"
 #include "src/compiler/js-generic-lowering.h"
 #include "src/compiler/machine-operator.h"
 #include "src/compiler/node-aux-data-inl.h"
@@ skipping 364 matching lines @@
 
 Node* JSGenericLowering::LowerBranch(Node* node) {
   Node* test = graph()->NewNode(machine()->WordEqual(), node->InputAt(0),
                                 jsgraph()->TrueConstant());
   node->ReplaceInput(0, test);
   return node;
 }
 
 
 Node* JSGenericLowering::LowerJSUnaryNot(Node* node) {
-  ToBooleanStub stub(isolate());
-  CodeStubInterfaceDescriptor* d = stub.GetInterfaceDescriptor();
-  CallDescriptor* desc = linkage()->GetStubCallDescriptor(d);
-  Node* to_bool =
-      graph()->NewNode(common()->Call(desc), CodeConstant(stub.GetCode()),
-                       NodeProperties::GetValueInput(node, 0),
-                       NodeProperties::GetContextInput(node),
-                       NodeProperties::GetEffectInput(node),
-                       NodeProperties::GetControlInput(node));
-  node->ReplaceInput(0, to_bool);
-  PatchInsertInput(node, 1, SmiConstant(Token::EQ));
-  ReplaceWithRuntimeCall(node, Runtime::kBooleanize);
+  ToBooleanStub stub(isolate(), ToBooleanStub::RESULT_AS_INVERSE_ODDBALL);
+  ReplaceWithICStubCall(node, &stub);
   return node;
 }
 
 
 Node* JSGenericLowering::LowerJSToBoolean(Node* node) {
-  ToBooleanStub stub(isolate());
-  CodeStubInterfaceDescriptor* d = stub.GetInterfaceDescriptor();
-  CallDescriptor* desc = linkage()->GetStubCallDescriptor(d);
-  Node* to_bool =
-      graph()->NewNode(common()->Call(desc), CodeConstant(stub.GetCode()),
-                       NodeProperties::GetValueInput(node, 0),
-                       NodeProperties::GetContextInput(node),
-                       NodeProperties::GetEffectInput(node),
-                       NodeProperties::GetControlInput(node));
-  node->ReplaceInput(0, to_bool);
-  PatchInsertInput(node, 1, SmiConstant(Token::NE));
-  ReplaceWithRuntimeCall(node, Runtime::kBooleanize);
+  ToBooleanStub stub(isolate(), ToBooleanStub::RESULT_AS_ODDBALL);
+  ReplaceWithICStubCall(node, &stub);
   return node;
 }
 
 
 Node* JSGenericLowering::LowerJSToObject(Node* node) {
   ReplaceWithBuiltinCall(node, Builtins::TO_OBJECT, 1);
   return node;
 }
 
 
@@ skipping 130 matching lines @@
 
 Node* JSGenericLowering::LowerJSCallRuntime(Node* node) {
   Runtime::FunctionId function = OpParameter<Runtime::FunctionId>(node);
   int arity = OperatorProperties::GetValueInputCount(node->op());
   ReplaceWithRuntimeCall(node, function, arity);
   return node;
 }
 }
 }
 }  // namespace v8::internal::compiler