Debug info shouldn't affect kills.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99637 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/VirtRegRewriter.cpp b/lib/CodeGen/VirtRegRewriter.cpp
index 44d5311..70f1d21 100644
--- a/lib/CodeGen/VirtRegRewriter.cpp
+++ b/lib/CodeGen/VirtRegRewriter.cpp
@@ -572,6 +572,9 @@
static void UpdateKills(MachineInstr &MI, const TargetRegisterInfo* TRI,
BitVector &RegKills,
std::vector<MachineOperand*> &KillOps) {
+ // These do not affect kill info at all.
+ if (MI.isDebugValue())
+ return;
for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) {
MachineOperand &MO = MI.getOperand(i);
if (!MO.isReg() || !MO.isUse() || MO.isUndef())