[llvm] [AArch64] Don't emit Neon in streaming[-compatible] functions with -fzero-call-used-regs (PR #116995)

[Sander de Smalen via llvm-commits]

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@@ -9694,19 +9694,26 @@ void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
                                           MachineBasicBlock::iterator Iter,
                                           DebugLoc &DL,
                                           bool AllowSideEffects) const {
-  const MachineFunction &MF = *MBB.getParent();
+  MachineFunction &MF = *MBB.getParent();
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sdesmalen-arm wrote:

Is this change necessary?

https://github.com/llvm/llvm-project/pull/116995