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

src/compiler/simplified-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/compiler/simplified-lowering.h"
 
 #include <limits>
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 1092 matching lines @@
         ProcessRemainingInputs(node, 2);
         SetOutput(node, rep);
         break;
       }
       case IrOpcode::kStore: {
         // TODO(jarin) Eventually, we should get rid of all machine stores
         // from the high-level phases, then this becomes UNREACHABLE.
         StoreRepresentation rep = StoreRepresentationOf(node->op());
         ProcessInput(node, 0, UseInfo::AnyTagged());   // tagged pointer
         ProcessInput(node, 1, UseInfo::PointerInt());  // index
-        ProcessInput(node, 2, TruncatingUseInfoFromRepresentation(
-                                  rep.machine_type().representation()));
+        ProcessInput(node, 2,
+                     TruncatingUseInfoFromRepresentation(rep.representation()));
         ProcessRemainingInputs(node, 3);
         SetOutput(node, MachineType::None());
         break;
       }
       case IrOpcode::kWord32Shr:
         // We output unsigned int32 for shift right because JavaScript.
         return VisitBinop(node, UseInfo::TruncatingWord32(),
                           MachineType::Uint32());
       case IrOpcode::kWord32And:
       case IrOpcode::kWord32Or:
@@ skipping 278 matching lines @@
     NodeProperties::ChangeOp(node,
                              common()->Phi(output_type.representation(), 2));
   } else {
     NodeProperties::ChangeOp(node, machine()->CheckedLoad(type));
   }
 }
 
 
 void SimplifiedLowering::DoStoreBuffer(Node* node) {
   DCHECK_EQ(IrOpcode::kStoreBuffer, node->opcode());
-  MachineType const type = BufferAccessOf(node->op()).machine_type();
-  NodeProperties::ChangeOp(node, machine()->CheckedStore(type));
+  MachineRepresentation const rep =
+      BufferAccessOf(node->op()).machine_type().representation();
+  NodeProperties::ChangeOp(node, machine()->CheckedStore(rep));
 }
 
 
 void SimplifiedLowering::DoObjectIsNumber(Node* node) {
   Node* input = NodeProperties::GetValueInput(node, 0);
   // TODO(bmeurer): Optimize somewhat based on input type.
   Node* check =
       graph()->NewNode(machine()->WordEqual(),
                        graph()->NewNode(machine()->WordAnd(), input,
                                         jsgraph()->IntPtrConstant(kSmiTagMask)),
@@ skipping 346 matching lines @@
   ReplaceEffectUses(node, comparison);
   node->ReplaceInput(0, comparison);
   node->ReplaceInput(1, jsgraph()->SmiConstant(EQUAL));
   node->TrimInputCount(2);
   NodeProperties::ChangeOp(node, machine()->IntLessThanOrEqual());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8