[turbofan] Make pure JS operators effectful before first scheduler.

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 70 matching lines @@
 REPLACE_STUB_CALL(Modulus)
 REPLACE_STUB_CALL(BitwiseAnd)
 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();
+  ReplaceWithStubCall(node, callable, flags, node->op()->properties());
+}
+
+void JSGenericLowering::ReplaceWithStubCall(Node* node, Callable callable,
+                                            CallDescriptor::Flags flags,
+                                            Operator::Properties 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));
 }
 
 
 void JSGenericLowering::ReplaceWithRuntimeCall(Node* node,
                                                Runtime::FunctionId f,
                                                int nargs_override) {
   CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   Operator::Properties properties = node->op()->properties();
   const Runtime::Function* fun = Runtime::FunctionForId(f);
   int nargs = (nargs_override < 0) ? fun->nargs : nargs_override;
   CallDescriptor* desc =
       Linkage::GetRuntimeCallDescriptor(zone(), f, nargs, properties, flags);
   Node* ref = jsgraph()->ExternalConstant(ExternalReference(f, isolate()));
   Node* arity = jsgraph()->Int32Constant(nargs);
   node->InsertInput(zone(), 0, jsgraph()->CEntryStubConstant(fun->result_size));
   node->InsertInput(zone(), nargs + 1, ref);
   node->InsertInput(zone(), nargs + 2, arity);
   NodeProperties::ChangeOp(node, common()->Call(desc));
 }
 
+void JSGenericLowering::LowerJSStrictEqual(Node* node) {
+  Callable callable = CodeFactory::StrictEqual(isolate());
+  node->AppendInput(zone(), graph()->start());
+  ReplaceWithStubCall(node, callable, CallDescriptor::kNoFlags,
+                      Operator::kEliminatable);
+}
+
+void JSGenericLowering::LowerJSStrictNotEqual(Node* node) {
+  Callable callable = CodeFactory::StrictNotEqual(isolate());
+  node->AppendInput(zone(), graph()->start());
+  ReplaceWithStubCall(node, callable, CallDescriptor::kNoFlags,
+                      Operator::kEliminatable);
+}
+
+void JSGenericLowering::LowerJSToBoolean(Node* node) {
+  Callable callable = CodeFactory::ToBoolean(isolate());
+  node->AppendInput(zone(), graph()->start());
+  ReplaceWithStubCall(node, callable, CallDescriptor::kNoFlags,
+                      Operator::kEliminatable);
+}
 
 void JSGenericLowering::LowerJSTypeOf(Node* node) {
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   Callable callable = CodeFactory::Typeof(isolate());
-  ReplaceWithStubCall(node, callable, flags);
+  node->AppendInput(zone(), graph()->start());
+  ReplaceWithStubCall(node, callable, CallDescriptor::kNoFlags,
+                      Operator::kEliminatable);
 }
 
 
 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 =
@@ skipping 585 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSGenericLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8