[PATCH] D86145: [Attributor] Simplify comparison against constant null pointer

[Johannes Doerfert via Phabricator via llvm-commits]

jdoerfert created this revision.
jdoerfert added reviewers: sstefan1, uenoku, homerdin, baziotis, kuter, bbn, okura.
Herald added subscribers: bollu, hiraditya.
Herald added a project: LLVM.
jdoerfert requested review of this revision.

Comparison against null is a common pattern that usually is followed by
error handling code and the likes. We now use AANonNull to simplify
these comparisons optimistically in order to make more code dead early
on.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D86145

Files:
  llvm/lib/Transforms/IPO/AttributorAttributes.cpp
  llvm/test/Transforms/Attributor/align.ll
  llvm/test/Transforms/Attributor/nocapture-1.ll
  llvm/test/Transforms/Attributor/nonnull.ll

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