DFGUnificationPhase.h 1.7 KB

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  1. /*
  2. * Copyright (C) 2013 Apple Inc. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. * 1. Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * 2. Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. *
  13. * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
  17. * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19. * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21. * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24. */
  25. #ifndef DFGUnificationPhase_h
  26. #define DFGUnificationPhase_h
  27. #include <wtf/Platform.h>
  28. #if ENABLE(DFG_JIT)
  29. namespace JSC { namespace DFG {
  30. class Graph;
  31. // Unification:
  32. //
  33. // Examines all Phi functions and ensures that the variable access datas are
  34. // unified. This creates our "live-range split" view of variables.
  35. bool performUnification(Graph&);
  36. } } // namespace JSC::DFG
  37. #endif // ENABLE(DFG_JIT)
  38. #endif // DFGUnificationPhase_h