[PATCH] D145424: [InstCombine] Add tests for transforming `(icmp pred (and X, Y), X)`; NFC

Noah Goldstein via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jun 29 01:35:18 PDT 2023


goldstein.w.n added inline comments.


================
Comment at: llvm/test/Transforms/InstCombine/icmp-of-and-x.ll:89
+posy:
+  %r = call i1 @barrier()
+  ret i1 %r
----------------
nikic wrote:
> What are these barriers for?
To prevent the branch from folding to a select.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D145424/new/

https://reviews.llvm.org/D145424



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