[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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@@ -351,7 +355,9 @@ AArch64FrameLowering::getZPRStackSize(const MachineFunction &MF) const {
 StackOffset
 AArch64FrameLowering::getPPRStackSize(const MachineFunction &MF) const {
   const AArch64FunctionInfo *AFI = MF.getInfo<AArch64FunctionInfo>();
-  return StackOffset::getScalable(AFI->getStackSizePPR());
+  return StackOffset::get(AFI->hasSplitSVEObjects() ? getStackHazardSize(MF)
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sdesmalen-arm wrote:

nit: maybe just add a comment explaining why the stack hazard size is added here.

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