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-rw-r--r--llvm/lib/CodeGen/MachineInstr.cpp6
1 files changed, 1 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index d2d3bc77ac4..98993b2146e 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -930,8 +930,7 @@ void MachineInstr::clearKillInfo() {
void MachineInstr::substituteRegister(unsigned FromReg, unsigned ToReg,
unsigned SubIdx,
- const TargetRegisterInfo &RegInfo,
- bool ClearIsRenamable) {
+ const TargetRegisterInfo &RegInfo) {
if (TargetRegisterInfo::isPhysicalRegister(ToReg)) {
if (SubIdx)
ToReg = RegInfo.getSubReg(ToReg, SubIdx);
@@ -939,11 +938,8 @@ void MachineInstr::substituteRegister(unsigned FromReg, unsigned ToReg,
if (!MO.isReg() || MO.getReg() != FromReg)
continue;
MO.substPhysReg(ToReg, RegInfo);
- if (ClearIsRenamable)
- MO.setIsRenamable(false);
}
} else {
- assert(!ClearIsRenamable && "IsRenamable invalid for virtual registers");
for (MachineOperand &MO : operands()) {
if (!MO.isReg() || MO.getReg() != FromReg)
continue;
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