[turbofan] Machine operators are globally shared singletons.

src/compiler/ia32/instruction-selector-ia32.cc

Index: src/compiler/ia32/instruction-selector-ia32.cc
diff --git a/src/compiler/ia32/instruction-selector-ia32.cc b/src/compiler/ia32/instruction-selector-ia32.cc
index 8a63ec611a02843c71a6aa1bdefc57fb8e32e74b..eb3752cde17046d30ceed70e224c2b9389940ed8 100644
--- a/src/compiler/ia32/instruction-selector-ia32.cc
+++ b/src/compiler/ia32/instruction-selector-ia32.cc
@@ -41,8 +41,8 @@ class IA32OperandGenerator FINAL : public OperandGenerator {
 
 
 void InstructionSelector::VisitLoad(Node* node) {
-  MachineType rep = RepresentationOf(OpParameter<MachineType>(node));
-  MachineType typ = TypeOf(OpParameter<MachineType>(node));
+  MachineType rep = RepresentationOf(OpParameter<LoadRepresentation>(node));
+  MachineType typ = TypeOf(OpParameter<LoadRepresentation>(node));
   IA32OperandGenerator g(this);
   Node* base = node->InputAt(0);
   Node* index = node->InputAt(1);
@@ -98,8 +98,8 @@ void InstructionSelector::VisitStore(Node* node) {
   Node* value = node->InputAt(2);
 
   StoreRepresentation store_rep = OpParameter<StoreRepresentation>(node);
-  MachineType rep = RepresentationOf(store_rep.machine_type);
-  if (store_rep.write_barrier_kind == kFullWriteBarrier) {
+  MachineType rep = RepresentationOf(store_rep.machine_type());
+  if (store_rep.write_barrier_kind() == kFullWriteBarrier) {
     DCHECK_EQ(kRepTagged, rep);
     // TODO(dcarney): refactor RecordWrite function to take temp registers
     //                and pass them here instead of using fixed regs
@@ -110,7 +110,7 @@ void InstructionSelector::VisitStore(Node* node) {
          temps);
     return;
   }
-  DCHECK_EQ(kNoWriteBarrier, store_rep.write_barrier_kind);
+  DCHECK_EQ(kNoWriteBarrier, store_rep.write_barrier_kind());
   InstructionOperand* val;
   if (g.CanBeImmediate(value)) {
     val = g.UseImmediate(value);