[turbofan] Introduce JSToInteger and JSToLength operators.

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-factory.h"
 #include "src/code-stubs.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/js-generic-lowering.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 88 matching lines @@
 REPLACE_STUB_CALL(BitwiseOr)
 REPLACE_STUB_CALL(BitwiseXor)
 REPLACE_STUB_CALL(LessThan)
 REPLACE_STUB_CALL(LessThanOrEqual)
 REPLACE_STUB_CALL(GreaterThan)
 REPLACE_STUB_CALL(GreaterThanOrEqual)
 REPLACE_STUB_CALL(Equal)
 REPLACE_STUB_CALL(NotEqual)
 REPLACE_STUB_CALL(StrictEqual)
 REPLACE_STUB_CALL(StrictNotEqual)
+REPLACE_STUB_CALL(ToBoolean)
+REPLACE_STUB_CALL(ToInteger)
+REPLACE_STUB_CALL(ToLength)
+REPLACE_STUB_CALL(ToNumber)
+REPLACE_STUB_CALL(ToName)
+REPLACE_STUB_CALL(ToObject)
+REPLACE_STUB_CALL(ToString)
 #undef REPLACE_STUB_CALL
 
 void JSGenericLowering::ReplaceWithStubCall(Node* node, Callable callable,
                                             CallDescriptor::Flags flags) {
   Operator::Properties properties = node->op()->properties();
   CallDescriptor* desc = Linkage::GetStubCallDescriptor(
       isolate(), zone(), callable.descriptor(), 0, flags, properties);
   Node* stub_code = jsgraph()->HeapConstant(callable.code());
   node->InsertInput(zone(), 0, stub_code);
   NodeProperties::ChangeOp(node, common()->Call(desc));
@@ skipping 18 matching lines @@
 }
 
 
 void JSGenericLowering::LowerJSTypeOf(Node* node) {
   CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   Callable callable = CodeFactory::Typeof(isolate());
   ReplaceWithStubCall(node, callable, flags);
 }
 
 
-void JSGenericLowering::LowerJSToBoolean(Node* node) {
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
-  Callable callable = CodeFactory::ToBoolean(isolate());
-  ReplaceWithStubCall(node, callable, flags);
-}
-
-
-void JSGenericLowering::LowerJSToNumber(Node* node) {
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
-  Callable callable = CodeFactory::ToNumber(isolate());
-  ReplaceWithStubCall(node, callable, flags);
-}
-
-
-void JSGenericLowering::LowerJSToString(Node* node) {
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
-  Callable callable = CodeFactory::ToString(isolate());
-  ReplaceWithStubCall(node, callable, flags);
-}
-
-
-void JSGenericLowering::LowerJSToName(Node* node) {
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
-  Callable callable = CodeFactory::ToName(isolate());
-  ReplaceWithStubCall(node, callable, flags);
-}
-
-
-void JSGenericLowering::LowerJSToObject(Node* node) {
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
-  Callable callable = CodeFactory::ToObject(isolate());
-  ReplaceWithStubCall(node, callable, flags);
-}
-
-
 void JSGenericLowering::LowerJSLoadProperty(Node* node) {
   Node* closure = NodeProperties::GetValueInput(node, 2);
   Node* effect = NodeProperties::GetEffectInput(node);
   Node* control = NodeProperties::GetControlInput(node);
   CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   const PropertyAccess& p = PropertyAccessOf(node->op());
   Callable callable =
       CodeFactory::KeyedLoadICInOptimizedCode(isolate(), UNINITIALIZED);
   // Load the type feedback vector from the closure.
   Node* shared_info = effect = graph()->NewNode(
@@ skipping 582 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSGenericLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8