Deoptimize context value in Turbofan (and Crankshaft).

src/compiler/instruction-selector.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/compiler/instruction-selector.h"
 
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties-inl.h"
 #include "src/compiler/pipeline.h"
@@ skipping 1042 matching lines @@
 
 
 void InstructionSelector::AddFrameStateInputs(
     Node* state, InstructionOperandVector* inputs,
     FrameStateDescriptor* descriptor) {
   DCHECK_EQ(IrOpcode::kFrameState, state->op()->opcode());
 
   Node* parameters = state->InputAt(0);
   Node* locals = state->InputAt(1);
   Node* stack = state->InputAt(2);
+  Node* context = state->InputAt(3);
+
+  DCHECK_EQ(IrOpcode::kStateValues, parameters->op()->opcode());
+  DCHECK_EQ(IrOpcode::kStateValues, locals->op()->opcode());
+  DCHECK_EQ(IrOpcode::kStateValues, stack->op()->opcode());
 
   DCHECK_EQ(descriptor->parameters_count(), parameters->InputCount());
   DCHECK_EQ(descriptor->locals_count(), locals->InputCount());
   DCHECK_EQ(descriptor->stack_count(), stack->InputCount());
 
   OperandGenerator g(this);
   for (int i = 0; i < descriptor->parameters_count(); i++) {
     inputs->push_back(UseOrImmediate(&g, parameters->InputAt(i)));
   }
+  inputs->push_back(UseOrImmediate(&g, context));
   for (int i = 0; i < descriptor->locals_count(); i++) {
     inputs->push_back(UseOrImmediate(&g, locals->InputAt(i)));
   }
   for (int i = 0; i < descriptor->stack_count(); i++) {
     inputs->push_back(UseOrImmediate(&g, stack->InputAt(i)));
   }
 }
 
 
 void InstructionSelector::VisitDeoptimize(Node* deopt) {
@@ skipping 54 matching lines @@
 
 
 void InstructionSelector::VisitCall(Node* call, BasicBlock* continuation,
                                     BasicBlock* deoptimization) {}
 
 #endif  // !V8_TURBOFAN_BACKEND
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8