[turbofan] Store nodes use only MachineRepresentation, not MachineType.

src/compiler/ia32/instruction-selector-ia32.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/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
 namespace v8 {
@@ skipping 195 matching lines @@
   Emit(code, 1, outputs, input_count, inputs);
 }
 
 
 void InstructionSelector::VisitStore(Node* node) {
   IA32OperandGenerator g(this);
   Node* base = node->InputAt(0);
   Node* index = node->InputAt(1);
   Node* value = node->InputAt(2);
 
-  StoreRepresentation store_rep = OpParameter<StoreRepresentation>(node);
+  StoreRepresentation store_rep = StoreRepresentationOf(node->op());
   WriteBarrierKind write_barrier_kind = store_rep.write_barrier_kind();
-  MachineRepresentation rep = store_rep.machine_type().representation();
+  MachineRepresentation rep = store_rep.representation();
 
   if (write_barrier_kind != kNoWriteBarrier) {
     DCHECK_EQ(MachineRepresentation::kTagged, rep);
     AddressingMode addressing_mode;
     InstructionOperand inputs[3];
     size_t input_count = 0;
     inputs[input_count++] = g.UseUniqueRegister(base);
     if (g.CanBeImmediate(index)) {
       inputs[input_count++] = g.UseImmediate(index);
       addressing_mode = kMode_MRI;
@@ skipping 108 matching lines @@
          offset_operand, g.UseImmediate(buffer));
   } else {
     Emit(opcode | AddressingModeField::encode(kMode_MR1),
          g.DefineAsRegister(node), offset_operand, length_operand,
          g.UseRegister(buffer), offset_operand);
   }
 }
 
 
 void InstructionSelector::VisitCheckedStore(Node* node) {
-  MachineRepresentation rep =
-      CheckedStoreRepresentationOf(node->op()).representation();
+  MachineRepresentation rep = CheckedStoreRepresentationOf(node->op());
   IA32OperandGenerator g(this);
   Node* const buffer = node->InputAt(0);
   Node* const offset = node->InputAt(1);
   Node* const length = node->InputAt(2);
   Node* const value = node->InputAt(3);
   ArchOpcode opcode;
   switch (rep) {
     case MachineRepresentation::kWord8:
       opcode = kCheckedStoreWord8;
       break;
@@ skipping 954 matching lines @@
              MachineOperatorBuilder::kFloat64RoundTruncate |
              MachineOperatorBuilder::kFloat32RoundTiesEven |
              MachineOperatorBuilder::kFloat64RoundTiesEven;
   }
   return flags;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8