[PATCH] D76974: [Attributor] Make attributor aware of aligned_alloc for heap to stack conversion

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added inline comments.


================
Comment at: llvm/lib/Transforms/IPO/Attributor.cpp:5033-5040
+      MaybeAlign Alignment;
       Constant *Size;
       if (isCallocLikeFn(MallocCall, TLI)) {
         auto *Num = cast<ConstantInt>(MallocCall->getOperand(0));
         auto *SizeT = cast<ConstantInt>(MallocCall->getOperand(1));
         APInt TotalSize = SizeT->getValue() * Num->getValue();
         Size =
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Hmm, what is the 'default' alignment for alloca?
Even for non-`aligned_alloc`, there's //some// alignment guarantees for the allocation functions..


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D76974/new/

https://reviews.llvm.org/D76974