Commit a3783a57 authored by Chris Lattner's avatar Chris Lattner
Browse files

Fix bug in previous checkin 

llvm-svn: 12458
parent 95057f6a

llvm/lib/Transforms/Scalar/TailDuplication.cpp

+7 −2
Original line number Diff line number Diff line
@@ -157,8 +157,13 @@ void TailDup::eliminateUnconditionalBranch(BranchInst *Branch) { 
        }

      } else if (PHINode *PN = dyn_cast<PHINode>(cast<Instruction>(*UI))) {

        // If the user of this instruction is a PHI node in the current block,

        // spill the value.

        // which has an entry from another block using the value, spill it.

        for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i)

          if (PN->getIncomingValue(i) == I &&

              PN->getIncomingBlock(i) != DestBlock) {

            ShouldDemote = true;

            break;

          }

      }



      if (ShouldDemote) {