[PATCH] D113192: [DAG] MatchRotate - support rotate-by-constant of illegal types (WIP)
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Nov 11 04:19:37 PST 2021
RKSimon added inline comments.
================
Comment at: llvm/test/CodeGen/X86/vector-rotate-128.ll:2410
+; AVX512F-NEXT: vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512F-NEXT: retq
;
----------------
This seems to be the last regression - we fold (and (shift x, c1), c2) but fail to do the same for (and (rotate x, c1), c2)
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D113192/new/
https://reviews.llvm.org/D113192
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