[PATCH] D157598: [InstCombine] Transform sub(sext(add(X, Y)), sext(add(X, Z))) to sub(Y, Z) given nsw adds
Nikita Popov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Aug 23 05:40:12 PDT 2023
nikic accepted this revision.
nikic added a comment.
This revision is now accepted and ready to land.
LGTM
================
Comment at: llvm/test/Transforms/InstCombine/sub-ext-add.ll:49
define i32 @subaddnuw_c3(i8 %a, i8 %C1, i8 %C2) {
; CHECK-LABEL: @subaddnuw_c3(
----------------
This test case looks the same as subaddnuw_c1?
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https://reviews.llvm.org/D157598/new/
https://reviews.llvm.org/D157598
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