[turbofan] Add test to keep generic pipeline on life support.

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 <limits>
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
@@ skipping 1019 matching lines @@
 void InstructionSelector::VisitThrow(Node* value) {
   OperandGenerator g(this);
   Emit(kArchNop, g.NoOutput());  // TODO(titzer)
 }
 
 
 FrameStateDescriptor* InstructionSelector::GetFrameStateDescriptor(
     Node* state) {
   DCHECK(state->opcode() == IrOpcode::kFrameState);
   DCHECK_EQ(kFrameStateInputCount, state->InputCount());
-  DCHECK_EQ(IrOpcode::kTypedStateValues,
-            state->InputAt(kFrameStateParametersInput)->opcode());
-  DCHECK_EQ(IrOpcode::kTypedStateValues,
-            state->InputAt(kFrameStateLocalsInput)->opcode());
-  DCHECK_EQ(IrOpcode::kTypedStateValues,
-            state->InputAt(kFrameStateStackInput)->opcode());
   FrameStateCallInfo state_info = OpParameter<FrameStateCallInfo>(state);
 
   int parameters = static_cast<int>(
       StateValuesAccess(state->InputAt(kFrameStateParametersInput)).size());
   int locals = static_cast<int>(
       StateValuesAccess(state->InputAt(kFrameStateLocalsInput)).size());
   int stack = static_cast<int>(
       StateValuesAccess(state->InputAt(kFrameStateStackInput)).size());
 
   FrameStateDescriptor* outer_state = NULL;
@@ skipping 31 matching lines @@
     AddFrameStateInputs(state->InputAt(kFrameStateOuterStateInput), inputs,
                         descriptor->outer_state());
   }
 
   Node* parameters = state->InputAt(kFrameStateParametersInput);
   Node* locals = state->InputAt(kFrameStateLocalsInput);
   Node* stack = state->InputAt(kFrameStateStackInput);
   Node* context = state->InputAt(kFrameStateContextInput);
   Node* function = state->InputAt(kFrameStateFunctionInput);
 
-  DCHECK_EQ(IrOpcode::kTypedStateValues, parameters->op()->opcode());
-  DCHECK_EQ(IrOpcode::kTypedStateValues, locals->op()->opcode());
-  DCHECK_EQ(IrOpcode::kTypedStateValues, stack->op()->opcode());
-
   DCHECK_EQ(descriptor->parameters_count(),
             StateValuesAccess(parameters).size());
   DCHECK_EQ(descriptor->locals_count(), StateValuesAccess(locals).size());
   DCHECK_EQ(descriptor->stack_count(), StateValuesAccess(stack).size());
 
   ZoneVector<MachineType> types(instruction_zone());
   types.reserve(descriptor->GetSize());
 
   OperandGenerator g(this);
   size_t value_index = 0;
@@ skipping 51 matching lines @@
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {
   return MachineOperatorBuilder::Flag::kNoFlags;
 }
 
 #endif  // !V8_TURBOFAN_BACKEND
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8