xref: /external/chromium_org/v8/src/hydrogen-deoptimizing-mark.h

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#ifndef V8_HYDROGEN_DEOPTIMIZING_MARK_H_
#define V8_HYDROGEN_DEOPTIMIZING_MARK_H_

#include "hydrogen.h"

namespace v8 {
namespace internal {


// Mark all blocks that are dominated by an unconditional soft deoptimize to
// prevent code motion across those blocks.
class HPropagateDeoptimizingMarkPhase : public HPhase {
 public:
  explicit HPropagateDeoptimizingMarkPhase(HGraph* graph)
      : HPhase("H_Propagate deoptimizing mark", graph) { }

  void Run();

 private:
  void MarkAsDeoptimizing();
  void NullifyUnreachableInstructions();

  DISALLOW_COPY_AND_ASSIGN(HPropagateDeoptimizingMarkPhase);
};


} }  // namespace v8::internal

#endif  // V8_HYDROGEN_DEOPTIMIZING_MARK_H_