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[AArch64][SVE] Share code across SVE prologue/epilogue implementations (NFCI) #162253

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Merged
merged 13 commits into from
Oct 9, 2025
Merged

[AArch64][SVE] Share code across SVE prologue/epilogue implementations (NFCI) #162253

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4 changes: 4 additions & 0 deletions llvm/lib/Target/AArch64/AArch64MachineFunctionInfo.h
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Original file line number Diff line number Diff line change
Expand Up @@ -315,6 +315,8 @@ class AArch64FunctionInfo final : public MachineFunctionInfo {
}

void setStackSizeSVE(uint64_t ZPR, uint64_t PPR) {
assert(isAligned(Align(16), ZPR) && isAligned(Align(16), PPR) &&
"expected SVE stack sizes to be aligned to 16-bytes");
StackSizeZPR = ZPR;
StackSizePPR = PPR;
HasCalculatedStackSizeSVE = true;
Expand Down Expand Up @@ -425,6 +427,8 @@ class AArch64FunctionInfo final : public MachineFunctionInfo {

// Saves the CalleeSavedStackSize for SVE vectors in 'scalable bytes'
void setSVECalleeSavedStackSize(unsigned ZPR, unsigned PPR) {
assert(isAligned(Align(16), ZPR) && isAligned(Align(16), PPR) &&
"expected SVE callee-save sizes to be aligned to 16-bytes");
ZPRCalleeSavedStackSize = ZPR;
PPRCalleeSavedStackSize = PPR;
HasSVECalleeSavedStackSize = true;
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