Dead live-in detection bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34843 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index a5907d6..26d741f 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -938,11 +938,11 @@
if (JoinIntervals(DestInt, SrcInt)) {
if (isDead) {
// Result of the copy is dead. Propagate this property.
- if (SrcStart == 0 && MRegisterInfo::isPhysicalRegister(SrcReg)) {
+ if (SrcStart == 0 && MRegisterInfo::isPhysicalRegister(repSrcReg)) {
// Live-in to the function but dead. Remove it from MBB live-in set.
// JoinIntervals may end up swapping the two intervals.
MachineBasicBlock *MBB = CopyMI->getParent();
- MBB->removeLiveIn(SrcReg);
+ MBB->removeLiveIn(repSrcReg);
} else {
MachineInstr *SrcMI = getInstructionFromIndex(SrcStart);
if (SrcMI) {