[PATCH] D121642: InstCombineCalls: when adding an align attribute, never reduce it

[Augie Fackler via Phabricator via llvm-commits]

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Sometimes we can infer an align from an allocalign but the function
already promised it'd be more-aligned than the allocalign and there's an
existing align that we shouldn't reduce. Make sure we handle that
correctly.

Depends on D121641 <https://reviews.llvm.org/D121641>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D121642

Files:
  llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
  llvm/test/Transforms/InstCombine/InferAlignAttribute.ll

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