teach ppc backend these are copies

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23813 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp
index cfeda7b5d52ac3c8b8a123c3fa7adcba1ffb2fe9..f1cd9f56d72f83ef9772b5bfac3f4f48bb213a78 100644 (file)
--- a/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -25,7 +25,8 @@ bool PPCInstrInfo::isMoveInstr(const MachineInstr& MI,
                                unsigned& sourceReg,
                                unsigned& destReg) const {
   MachineOpCode oc = MI.getOpcode();
-  if (oc == PPC::OR4 || oc == PPC::OR8) {                      // or r1, r2, r2
+  if (oc == PPC::OR4 || oc == PPC::OR8 || 
+      oc == PPC::OR4To8 || oc == PPC::OR8To4) {                // or r1, r2, r2
     assert(MI.getNumOperands() == 3 &&
            MI.getOperand(0).isRegister() &&
            MI.getOperand(1).isRegister() &&