[PATCH] D108382: [X86] lowerShuffleAsDecomposedShuffleMerge(): if both inputs are broadcastable/identities, canonicalize broadcasts as such
Roman Lebedev via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Aug 19 14:18:47 PDT 2021
lebedev.ri added inline comments.
================
Comment at: llvm/test/CodeGen/X86/copy-low-subvec-elt-to-high-subvec-elt.ll:287
; CHECK: # %bb.0:
-; CHECK-NEXT: vbroadcastsd %xmm1, %ymm1
; CHECK-NEXT: vunpcklpd {{.*#+}} ymm0 = ymm0[0],ymm1[0],ymm0[2],ymm1[2]
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This regression is being fixed by D108411.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D108382/new/
https://reviews.llvm.org/D108382
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