[PATCH] D89542: [InstCombine] narrowFunnelShift - fold trunc/zext or(shl(a,x),lshr(b,sub(bw,x))) -> fshl(a,b,x) (PR35155)
Sanjay Patel via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Oct 23 11:14:29 PDT 2020
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spatel accepted this revision.
spatel added a comment.
This revision is now accepted and ready to land.
LGTM
================
Comment at: llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp:592
// The shifted value must have high zeros in the wide type. Typically, this
// will be a zext, but it could also be the result of an 'and' or 'shift'.
----------------
shifted value -> shifted values
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https://reviews.llvm.org/D89542/new/
https://reviews.llvm.org/D89542
- Previous message: [PATCH] D89542: [InstCombine] narrowFunnelShift - fold trunc/zext or(shl(a,x),lshr(b,sub(bw,x))) -> fshl(a,b,x) (PR35155)
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