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

[Sander de Smalen via llvm-branch-commits]

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@@ -299,14 +297,20 @@ class AArch64FunctionInfo final : public MachineFunctionInfo {
     TailCallReservedStack = bytes;
   }
 
-  bool hasCalculatedStackSizeSVE() const { return HasCalculatedStackSizeSVE; }
+  void setStackSizeZPR(uint64_t S) {
+    HasCalculatedStackSizeSVE = true;
+    StackSizeZPR = S;
+  }
 
-  void setStackSizeSVE(uint64_t S) {
+  void setStackSizePPR(uint64_t S) {
     HasCalculatedStackSizeSVE = true;
-    StackSizeSVE = S;
+    StackSizePPR = S;
   }
 
-  uint64_t getStackSizeSVE() const { return StackSizeSVE; }
+  uint64_t getStackSizeZPR() const { return StackSizeZPR; }
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sdesmalen-arm wrote:

not related to your PR, but I think we should add an assert that `HasCalculatedStackSizeSVE` is true (same for CalleeSavedStackSize), although unfortunately that currently leads to some failures where they're used.

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