Move MachineRepresentation to machine-type.h and rename to MachineType in preparation for merging i…

src/compiler/arm/instruction-selector-arm.cc

Index: src/compiler/arm/instruction-selector-arm.cc
diff --git a/src/compiler/arm/instruction-selector-arm.cc b/src/compiler/arm/instruction-selector-arm.cc
index 9e2f79a4a6dc320d05c08d69ea36f9dc3f0d37d4..029d6e3b96e9d0c61ca3d9e03301afbfe6ffae56 100644
--- a/src/compiler/arm/instruction-selector-arm.cc
+++ b/src/compiler/arm/instruction-selector-arm.cc
@@ -305,7 +305,7 @@ static void VisitBinop(InstructionSelector* selector, Node* node,
 
 
 void InstructionSelector::VisitLoad(Node* node) {
-  MachineRepresentation rep = OpParameter<MachineRepresentation>(node);
+  MachineType rep = OpParameter<MachineType>(node);
   ArmOperandGenerator g(this);
   Node* base = node->InputAt(0);
   Node* index = node->InputAt(1);
@@ -354,7 +354,7 @@ void InstructionSelector::VisitStore(Node* node) {
   Node* value = node->InputAt(2);
 
   StoreRepresentation store_rep = OpParameter<StoreRepresentation>(node);
-  MachineRepresentation rep = store_rep.rep;
+  MachineType rep = store_rep.rep;
   if (store_rep.write_barrier_kind == kFullWriteBarrier) {
     DCHECK(rep == kMachineTagged);
     // TODO(dcarney): refactor RecordWrite function to take temp registers