Fold BIT_NOT and NEGATE during constant propagation.

runtime/vm/intermediate_language.h

 // Copyright (c) 2013, 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 6615 matching lines @@
   }
 
   virtual intptr_t DeoptimizationTarget() const {
     // Direct access since this instruction cannot deoptimize, and the deopt-id
     // was inherited from another instruction that could deoptimize.
     return GetDeoptId();
   }
 
   virtual void PrintOperandsTo(BufferFormatter* f) const;
 
+  RawInteger* Evaluate(const Integer& value) const;
+
   DEFINE_INSTRUCTION_TYPE_CHECK(UnaryIntegerOp)
 
  private:
   const Token::Kind op_kind_;
 };
 
 
 // Handles both Smi operations: BIT_OR and NEGATE.
 class UnarySmiOpInstr : public UnaryIntegerOpInstr {
  public:
@@ skipping 1420 matching lines @@
   LocationSummary* Name::MakeLocationSummary(Zone* zone, bool opt) const {    \
     UNIMPLEMENTED();                                                          \
     return NULL;                                                              \
   }                                                                           \
   void Name::EmitNativeCode(FlowGraphCompiler* compiler) { UNIMPLEMENTED(); }
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_