[PATCH] D99980: [SLP]Improve cost model for the vectorized extractelements.
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Apr 22 03:55:38 PDT 2021
RKSimon accepted this revision.
RKSimon added a comment.
This revision is now accepted and ready to land.
OK - LGTM - cheers
================
Comment at: llvm/test/Transforms/SLPVectorizer/X86/extractelement.ll:53
+; THRESH1-NEXT: [[TMP4:%.*]] = extractelement <2 x float> [[TMP2]], i32 1
+; THRESH1-NEXT: [[ADD:%.*]] = fadd float [[TMP3]], [[TMP4]]
; THRESH1-NEXT: store float [[ADD]], float* @a, align 4
----------------
Missed fadd reduction opportunity
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D99980/new/
https://reviews.llvm.org/D99980
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