[PATCH] D156238: [InstCombine] Generalize foldICmpWithMinMax
Yingwei Zheng via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Aug 26 06:53:14 PDT 2023
dtcxzyw marked 4 inline comments as done.
dtcxzyw added inline comments.
================
Comment at: llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp:5003
+ // X == Z min(X, Y) == Z X <= Y
+ // X == Z max(X, Y) == Z X >= Y
+ // X != Z min(X, Y) == Z X > Y && Y == Z // nofold
----------------
goldstein.w.n wrote:
> Think you mean `Y == Z` here?
It is `X == Z`. It just checks the value of `CmpXZ` and then folds the expr.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D156238/new/
https://reviews.llvm.org/D156238
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