Missed a check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52487 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index d680a98a7fd254e70717d47c477158edbd40622f..0d715892136e10d1adc7434c9d9fac47d2c29ba5 100644 (file)
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -234,7 +234,7 @@ static bool isTwoAddrUse(MachineInstr *UseMI, unsigned Reg) {
   const TargetInstrDesc &TID = UseMI->getDesc();
   for (unsigned i = 0, e = TID.getNumOperands(); i != e; ++i) {
     MachineOperand &MO = UseMI->getOperand(i);
-    if (MO.getReg() == Reg &&
+    if (MO.isRegister() && MO.getReg() == Reg &&
         (MO.isDef() || TID.getOperandConstraint(i, TOI::TIED_TO) != -1))
       // Earlier use is a two-address one.
       return true;