================
@@ -9066,21 +9066,18 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
MachineBasicBlock::iterator Iter,
- DebugLoc &DL) const {
+ DebugLoc &DL,
+ bool NoSideEffects) const {
const MachineFunction &MF = *MBB.getParent();
const AArch64Subtarget &STI = MF.getSubtarget<AArch64Subtarget>();
const AArch64RegisterInfo &TRI = *STI.getRegisterInfo();
if (TRI.isGeneralPurposeRegister(MF, Reg)) {
- BuildMI(MBB, Iter, DL, get(AArch64::MOVi64imm), Reg)
- .addImm(0);
+ BuildMI(MBB, Iter, DL, get(AArch64::MOVZXi), Reg).addImm(0).addImm(0);
----------------
bwendling wrote:
It does appear to be related to the "shift" argument of `MOVZXi`.
https://github.com/llvm/llvm-project/pull/67193
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