[PATCH] D62890: [DAGCombiner] Improve tryStoreMergeOfExtracts by using double sized vector type before type legalized
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Aug 1 03:26:15 PDT 2022
RKSimon added a comment.
Instead of a cost function, could we use (possibly tweaked) isMultiStoresCheaperThanBitsMerge?
================
Comment at: llvm/test/CodeGen/PowerPC/extract-and-store.ll:733
+; CHECK-NEXT: xxswapd vs0, vs34
+; CHECK-NEXT: stfdx f0, 0, r5
; CHECK-NEXT: blr
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is this really an issue with the store merging or the ppc shuffle combines have gotten messed up?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D62890/new/
https://reviews.llvm.org/D62890
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