Allow kill flags on two-address instructions. They are harmless.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128643 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp
index e78ca9b..a47709e 100644
--- a/lib/CodeGen/MachineVerifier.cpp
+++ b/lib/CodeGen/MachineVerifier.cpp
@@ -610,13 +610,9 @@
if (MI->isRegTiedToDefOperand(MONum, &defIdx)) {
// A two-addr use counts as a kill if use and def are the same.
unsigned DefReg = MI->getOperand(defIdx).getReg();
- if (Reg == DefReg) {
+ if (Reg == DefReg)
isKill = true;
- // And in that case an explicit kill flag is not allowed.
- if (MO->isKill())
- report("Illegal kill flag on two-address instruction operand",
- MO, MONum);
- } else if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
+ else if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
report("Two-address instruction operands must be identical",
MO, MONum);
}