[turbofan] Lower intrinsics %_GeneratorGetInput and %_GeneratorGetResumeMode.

src/compiler/js-intrinsic-lowering.cc

 // Copyright 2015 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/compiler/js-intrinsic-lowering.h"
 
 #include <stack>
 
 #include "src/code-factory.h"
 #include "src/compiler/access-builder.h"
@@ skipping 24 matching lines @@
     case Runtime::kInlineCreateIterResultObject:
       return ReduceCreateIterResultObject(node);
     case Runtime::kInlineDeoptimizeNow:
       return ReduceDeoptimizeNow(node);
     case Runtime::kInlineDoubleHi:
       return ReduceDoubleHi(node);
     case Runtime::kInlineDoubleLo:
       return ReduceDoubleLo(node);
     case Runtime::kInlineGeneratorClose:
       return ReduceGeneratorClose(node);
+    case Runtime::kInlineGeneratorGetInput:
+      return ReduceGeneratorGetInput(node);
+    case Runtime::kInlineGeneratorGetResumeMode:
+      return ReduceGeneratorGetResumeMode(node);
     case Runtime::kInlineIsArray:
       return ReduceIsInstanceType(node, JS_ARRAY_TYPE);
     case Runtime::kInlineIsTypedArray:
       return ReduceIsInstanceType(node, JS_TYPED_ARRAY_TYPE);
     case Runtime::kInlineIsRegExp:
       return ReduceIsInstanceType(node, JS_REGEXP_TYPE);
     case Runtime::kInlineIsJSReceiver:
       return ReduceIsJSReceiver(node);
     case Runtime::kInlineIsSmi:
       return ReduceIsSmi(node);
@@ skipping 106 matching lines @@
   Node* const closed = jsgraph()->Constant(JSGeneratorObject::kGeneratorClosed);
   Node* const undefined = jsgraph()->UndefinedConstant();
   Operator const* const op = simplified()->StoreField(
       AccessBuilder::ForJSGeneratorObjectContinuation());
 
   ReplaceWithValue(node, undefined, node);
   NodeProperties::RemoveType(node);
   return Change(node, op, generator, closed, effect, control);
 }
 
+Reduction JSIntrinsicLowering::ReduceGeneratorGetInput(Node* node) {
+  Node* const generator = NodeProperties::GetValueInput(node, 0);
+  Node* const effect = NodeProperties::GetEffectInput(node);
+  Node* const control = NodeProperties::GetControlInput(node);
+  Operator const* const op =
+      simplified()->LoadField(AccessBuilder::ForJSGeneratorObjectInput());
+
+  return Change(node, op, generator, effect, control);
+}
+
+Reduction JSIntrinsicLowering::ReduceGeneratorGetResumeMode(Node* node) {
+  Node* const generator = NodeProperties::GetValueInput(node, 0);
+  Node* const effect = NodeProperties::GetEffectInput(node);
+  Node* const control = NodeProperties::GetControlInput(node);
+  Operator const* const op =
+      simplified()->LoadField(AccessBuilder::ForJSGeneratorObjectResumeMode());
+
+  return Change(node, op, generator, effect, control);
+}
+
 Reduction JSIntrinsicLowering::ReduceIsInstanceType(
     Node* node, InstanceType instance_type) {
   // if (%_IsSmi(value)) {
   //   return false;
   // } else {
   //   return %_GetInstanceType(%_GetMap(value)) == instance_type;
   // }
   Node* value = NodeProperties::GetValueInput(node, 0);
   Node* effect = NodeProperties::GetEffectInput(node);
   Node* control = NodeProperties::GetControlInput(node);
@@ skipping 311 matching lines @@
 }
 
 
 SimplifiedOperatorBuilder* JSIntrinsicLowering::simplified() const {
   return jsgraph()->simplified();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8