Print value and type check dependency for JSArrayLength instruction.

Review URL: http://codereview.chromium.org/7800028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9139 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/hydrogen-instructions.cc

@@ -789,6 +789,13 @@ void HChange::PrintDataTo(StringStream* stream) {
 }
 
 
+void HJSArrayLength::PrintDataTo(StringStream* stream) {
+  value()->PrintNameTo(stream);
+  stream->Add(" ");
+  typecheck()->PrintNameTo(stream);
+}
+
+
 HValue* HCheckInstanceType::Canonicalize() {
   if (check_ == IS_STRING &&
       !value()->type().IsUninitialized() &&

src/hydrogen-instructions.h

@@ -1694,7 +1694,10 @@ class HJSArrayLength: public HTemplateInstruction<2> {
     return Representation::Tagged();
   }
 
+  virtual void PrintDataTo(StringStream* stream);
+
   HValue* value() { return OperandAt(0); }
+  HValue* typecheck() { return OperandAt(1); }
 
   DECLARE_CONCRETE_INSTRUCTION(JSArrayLength)