[llvm-branch-commits] [llvm] [AArch64][SME] Support split ZPR and PPR area allocation (PR #142392)

[Sander de Smalen via llvm-branch-commits]

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@@ -531,6 +538,10 @@ bool AArch64FrameLowering::canUseRedZone(const MachineFunction &MF) const {
   if (!EnableRedZone)
     return false;
 
+  const AArch64FunctionInfo *AFI = MF.getInfo<AArch64FunctionInfo>();
+  if (AFI->hasSplitSVEObjects())
+    return false;
+
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sdesmalen-arm wrote:

This should already be covered by the `AFI->hasSVEStackSize()` below.

https://github.com/llvm/llvm-project/pull/142392