RegisterCoalescer: No need to set kill flags, they are recompute later anyway

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225501 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp
index e5306f9da4849044f76617ed8e6ede08d043cd72..b5993bfb4016340409babe8d3678867519b5bc7c 100644 (file)
--- a/lib/CodeGen/RegisterCoalescer.cpp
+++ b/lib/CodeGen/RegisterCoalescer.cpp
@@ -694,8 +694,6 @@ bool RegisterCoalescer::removeCopyByCommutingDef(const CoalescerPair &CP,
     MBB->insert(Pos, NewMI);
     MBB->erase(DefMI);
   }
-  unsigned OpIdx = NewMI->findRegisterUseOperandIdx(IntA.reg, false);
-  NewMI->getOperand(OpIdx).setIsKill();
 
   // If ALR and BLR overlaps and end of BLR extends beyond end of ALR, e.g.
   // A = or A, B