[PATCH] D71312: [InstCombine] X / (select C, X, -X) -> select C ? 1 : -1
Sanjay Patel via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Dec 11 08:12:41 PST 2019
spatel added a comment.
In D71312#1778774 <https://reviews.llvm.org/D71312#1778774>, @craig.topper wrote:
> Also does InstSimplify know X / -X -> -1 when the neg has NSW?
Yes - D49382 <https://reviews.llvm.org/D49382>
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https://reviews.llvm.org/D71312
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