Generalize if-conversion to arbitrary smi comparisons.

runtime/vm/il_printer.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/il_printer.h"
 
 #include "vm/intermediate_language.h"
 #include "vm/os.h"
 #include "vm/parser.h"
 
@@ skipping 347 matching lines @@
   }
   PrintICData(f, ic_data());
 }
 
 
 void StrictCompareInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s, ", Token::Str(kind()));
   left()->PrintTo(f);
   f->Print(", ");
   right()->PrintTo(f);
+  if (needs_number_check()) {
+    f->Print(", with number check");
+  }
 }
 
 
 void EqualityCompareInstr::PrintOperandsTo(BufferFormatter* f) const {
   left()->PrintTo(f);
   f->Print(" %s ", Token::Str(kind()));
   right()->PrintTo(f);
 }
 
 
@@ skipping 42 matching lines @@
   f->Print("%s {%" Pd "}, ",
            String::Handle(field().name()).ToCString(),
            field().Offset());
   instance()->PrintTo(f);
   f->Print(", ");
   value()->PrintTo(f);
 }
 
 
 void IfThenElseInstr::PrintOperandsTo(BufferFormatter* f) const {
-  left()->PrintTo(f);
-  f->Print(" %s ", Token::Str(kind_));
-  right()->PrintTo(f);
+  comparison()->PrintOperandsTo(f);
   f->Print(" ? %" Pd " : %" Pd,
            if_true_,
            if_false_);
 }
 
 
 void LoadStaticFieldInstr::PrintOperandsTo(BufferFormatter* f) const {
   field_value()->PrintTo(f);
 }
 
@@ skipping 541 matching lines @@
       f->Print(" [");
       locations_[i].PrintTo(f);
       f->Print("]");
     }
   }
   f->Print(" }");
   if (outer_ != NULL) outer_->PrintTo(f);
 }
 
 }  // namespace dart