Revision f230a1cf deps/v8/src/hydrogen-canonicalize.cc

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deps/v8/src/hydrogen-canonicalize.cc
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "hydrogen-canonicalize.h"


  		




  
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#include "hydrogen-redundant-phi.h"


  		




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namespace v8 {


  		




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namespace internal {


  		




  ......




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      }


  		




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    }


  		




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  }


  		




  
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  // Perform actual Canonicalization pass.


  		




  
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  HRedundantPhiEliminationPhase redundant_phi_eliminator(graph());


  		




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  for (int i = 0; i < blocks->length(); ++i) {


  		




  
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    // Eliminate redundant phis in the block first; changes to their inputs


  		




  
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    // might have made them redundant, and eliminating them creates more


  		




  
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    // opportunities for constant folding and strength reduction.


  		




  
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    redundant_phi_eliminator.ProcessBlock(blocks->at(i));


  		




  
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    // Now canonicalize each instruction.


  		




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    for (HInstructionIterator it(blocks->at(i)); !it.Done(); it.Advance()) {


  		




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      HInstruction* instr = it.Current();


  		




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      HValue* value = instr->Canonicalize();


  		












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