Track representations of fields

src/ia32/lithium-ia32.h

Index: src/ia32/lithium-ia32.h
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index 032d17e5c41422b01770bc6f02f558ec34a1b775..5e53ee1e0f66699240bba4c29954e90a87e6096e 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -1489,13 +1489,15 @@ class LReturn: public LTemplateInstruction<0, 3, 0> {
 };
 
 
-class LLoadNamedField: public LTemplateInstruction<1, 1, 0> {
+class LLoadNamedField: public LTemplateInstruction<1, 1, 1> {
  public:
-  explicit LLoadNamedField(LOperand* object) {
+  explicit LLoadNamedField(LOperand* object, LOperand* temp) {
     inputs_[0] = object;
+    temps_[0] = temp;
   }
 
   LOperand* object() { return inputs_[0]; }
+  LOperand* temp() { return temps_[0]; }
 
   DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field")
   DECLARE_HYDROGEN_ACCESSOR(LoadNamedField)
@@ -2186,7 +2188,9 @@ class LStoreNamedField: public LTemplateInstruction<0, 2, 2> {
   LStoreNamedField(LOperand* obj,
                    LOperand* val,
                    LOperand* temp,
-                   LOperand* temp_map) {
+                   LOperand* temp_map,
+                   Representation representation)
+      : representation_(representation) {
     inputs_[0] = obj;
     inputs_[1] = val;
     temps_[0] = temp;
@@ -2207,6 +2211,10 @@ class LStoreNamedField: public LTemplateInstruction<0, 2, 2> {
   bool is_in_object() { return hydrogen()->is_in_object(); }
   int offset() { return hydrogen()->offset(); }
   Handle<Map> transition() const { return hydrogen()->transition(); }
+  Representation representation() const { return representation_; }
+
+ private:
+  Representation representation_;
 };