Improved printing of HLoadElements instruction.

TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11177004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12743 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/hydrogen-instructions.cc

@@ -1058,6 +1058,13 @@ void HCheckInstanceType::GetCheckMaskAndTag(uint8_t* mask, uint8_t* tag) {
 }
 
 
+void HLoadElements::PrintDataTo(StringStream* stream) {
+  value()->PrintNameTo(stream);
+  stream->Add(" ");
+  typecheck()->PrintNameTo(stream);
+}
+
+
 void HCheckMaps::PrintDataTo(StringStream* stream) {
   value()->PrintNameTo(stream);
   stream->Add(" [%p", *map_set()->first());

src/hydrogen-instructions.h

@@ -2123,6 +2123,9 @@ class HLoadElements: public HTemplateInstruction<2> {
   }
 
   HValue* value() { return OperandAt(0); }
+  HValue* typecheck() { return OperandAt(1); }
+
+  virtual void PrintDataTo(StringStream* stream);
 
   virtual Representation RequiredInputRepresentation(int index) {
     return Representation::Tagged();