Only call isUse/isDef on register operands


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30118 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp
index 4e5c96e..ddb6ded 100644
--- a/lib/CodeGen/LiveVariables.cpp
+++ b/lib/CodeGen/LiveVariables.cpp
@@ -248,7 +248,7 @@
       // Process all explicit uses...
       for (unsigned i = 0; i != NumOperandsToProcess; ++i) {
         MachineOperand &MO = MI->getOperand(i);
-        if (MO.isUse() && MO.isRegister() && MO.getReg()) {
+        if (MO.isRegister() && MO.isUse() && MO.getReg()) {
           if (MRegisterInfo::isVirtualRegister(MO.getReg())){
             HandleVirtRegUse(getVarInfo(MO.getReg()), MBB, MI);
           } else if (MRegisterInfo::isPhysicalRegister(MO.getReg()) &&
@@ -268,7 +268,7 @@
       // Process all explicit defs...
       for (unsigned i = 0; i != NumOperandsToProcess; ++i) {
         MachineOperand &MO = MI->getOperand(i);
-        if (MO.isDef() && MO.isRegister() && MO.getReg()) {
+        if (MO.isRegister() && MO.isDef() && MO.getReg()) {
           if (MRegisterInfo::isVirtualRegister(MO.getReg())) {
             VarInfo &VRInfo = getVarInfo(MO.getReg());