Commit f041a9ea authored by Tanya Lattner's avatar Tanya Lattner
Browse files

Merge from mainline. Complete 64076 merge from mainline. 

llvm-svn: 64861
parent 811b9fd3

llvm/include/llvm/CodeGen/LiveInterval.h

+11 −0
Original line number Diff line number Diff line
@@ -272,6 +272,17 @@ namespace llvm { 
      return I != kills.end() && *I == KillIdx;

    }



    /// isOnlyLROfValNo - Return true if the specified live range is the only

    /// one defined by the its val#.

    bool isOnlyLROfValNo( const LiveRange *LR) {

      for (const_iterator I = begin(), E = end(); I != E; ++I) {

        const LiveRange *Tmp = I;

        if (Tmp != LR && Tmp->valno == LR->valno)

          return false;

      }

      return true;

    }

    

    /// MergeValueNumberInto - This method is called when two value nubmers

    /// are found to be equivalent.  This eliminates V1, replacing all

    /// LiveRanges with the V1 value number with the V2 value number.  This can