[llvm-branch-commits] [llvm] [AArch64] Prepare for split ZPR and PPR area allocation (NFCI) (PR #142391)

[Sander de Smalen via llvm-branch-commits]

================
@@ -4363,24 +4458,25 @@ static int64_t 
determineSVEStackObjectOffsets(MachineFrameInfo &MFI,
       report_fatal_error(
           "Alignment of scalable vectors > 16 bytes is not yet supported");
 
+    int64_t &Offset = OffsetForObject(FI, ZPROffset, PPROffset);
     Offset = alignTo(Offset + MFI.getObjectSize(FI), Alignment);
     if (AssignOffsets)
       Assign(FI, -Offset);
   }
 
-  return Offset;
+  PPROffset = alignTo(PPROffset, Align(16U));
+  ZPROffset = alignTo(ZPROffset, Align(16U));
+  return SVEStack;
 }
 
-int64_t AArch64FrameLowering::estimateSVEStackObjectOffsets(
-    MachineFrameInfo &MFI) const {
-  int MinCSFrameIndex, MaxCSFrameIndex;
-  return determineSVEStackObjectOffsets(MFI, MinCSFrameIndex, MaxCSFrameIndex, 
false);
+SVEStackSizes
+AArch64FrameLowering::estimateSVEStackObjectOffsets(MachineFunction &MF) const 
{
+  return determineSVEStackObjectOffsets(MF, false);
----------------
sdesmalen-arm wrote:

```suggestion
  return determineSVEStackObjectOffsets(MF, /*AssignOffsets=*/ false);
```
(same for the one below)

https://github.com/llvm/llvm-project/pull/142391
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