Print value and type check dependency for JSArrayLength instruction.

src/hydrogen-instructions.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 771 matching lines @@
 
 void HChange::PrintDataTo(StringStream* stream) {
   HUnaryOperation::PrintDataTo(stream);
   stream->Add(" %s to %s", from_.Mnemonic(), to().Mnemonic());
 
   if (CanTruncateToInt32()) stream->Add(" truncating-int32");
   if (CheckFlag(kBailoutOnMinusZero)) stream->Add(" -0?");
 }
 
 
+void HJSArrayLength::PrintDataTo(StringStream* stream) {
+  value()->PrintNameTo(stream);
+  stream->Add(" ");

[Jakob Kummerow, 2011/09/05 13:23:33]

How about inserting some descriptive hint here, e.g. "depending on" or so?

+  typecheck()->PrintNameTo(stream);
+}
+
+
 HValue* HCheckInstanceType::Canonicalize() {
   if (check_ == IS_STRING &&
       !value()->type().IsUninitialized() &&
       value()->type().IsString()) {
     return NULL;
   }
   if (check_ == IS_SYMBOL &&
       value()->IsConstant() &&
       HConstant::cast(value())->handle()->IsSymbol()) {
     return NULL;
@@ skipping 1070 matching lines @@
 
 
 void HCheckPrototypeMaps::Verify() {
   HInstruction::Verify();
   ASSERT(HasNoUses());
 }
 
 #endif
 
 } }  // namespace v8::internal