Allow smi comparisons to have constant operands.

runtime/vm/intermediate_language.h

 // 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.
 
 #ifndef VM_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 1320 matching lines @@
       GrowableArray<BlockEntryInstr*>* postorder,
       GrowableArray<intptr_t>* parent,
       GrowableArray<BitVector*>* assigned_vars,
       intptr_t variable_count,
       intptr_t fixed_parameter_count);
 
 
   void EmitBranchOnCondition(FlowGraphCompiler* compiler,
                              Condition true_condition);
 
+  void EmitBranchOnValue(FlowGraphCompiler* compiler, bool result);

[srdjan, 2012/09/06 13:32:55]

Please add comment explaining what flag 'result' means.

+
  private:
   TargetEntryInstr* true_successor_;
   TargetEntryInstr* false_successor_;
 
   DISALLOW_COPY_AND_ASSIGN(ControlInstruction);
 };
 
 
 class BranchInstr : public ControlInstruction {
  public:
@@ skipping 1919 matching lines @@
   ForwardInstructionIterator* current_iterator_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_