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-rw-r--r--llvm/lib/CodeGen/LiveIntervals.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/LiveIntervals.cpp b/llvm/lib/CodeGen/LiveIntervals.cpp
index 7b708147e6f..caa9e2e391d 100644
--- a/llvm/lib/CodeGen/LiveIntervals.cpp
+++ b/llvm/lib/CodeGen/LiveIntervals.cpp
@@ -115,7 +115,8 @@ bool LiveIntervals::runOnMachineFunction(MachineFunction &fn) {
for (int i = mi->getNumOperands() - 1; i >= 0; --i) {
MachineOperand& mop = mi->getOperand(i);
- if (mop.isVirtualRegister()) {
+ if (mop.isRegister() &&
+ MRegisterInfo::isVirtualRegister(mop.getReg())) {
unsigned reg = mop.getAllocatedRegNum();
Reg2IntervalMap::iterator r2iit = r2iMap_.find(reg);
assert(r2iit != r2iMap_.end());
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