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jitlayers: reduce excess alignment of #52182 #52210

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Merged
merged 1 commit into from
Nov 20, 2023
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jitlayers: reduce excess alignment of #52182 #52210

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4 changes: 3 additions & 1 deletion src/jitlayers.h
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Original file line number Diff line number Diff line change
Expand Up @@ -306,7 +306,9 @@ class MaxAlignedAllocImpl
// the returned pointer, this is >= alignof(std::max_align_t), which is too
// small often to actually use.
const size_t MaxAlignment = JL_CACHE_BYTE_ALIGNMENT;
return Align(std::min((size_t)llvm::PowerOf2Ceil(Size), MaxAlignment));
if (Size <= offset)
return Align(1);
return Align(std::min((size_t)llvm::PowerOf2Ceil(Size - offset), MaxAlignment));
}

LLVM_ATTRIBUTE_RETURNS_NONNULL void *Allocate(size_t Size, Align Alignment) {
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