[PATCH] D147507: [X86] Disable masked UNPCKLPD/UNPCKHPD -> SHUFPS transformation

[Phoebe Wang via Phabricator via llvm-commits]

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UNPCKLPD/UNPCKHPD is a 64-bit element operation. The masked version
doesn't match SHUFPS in lanes.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D147507

Files:
  llvm/lib/Target/X86/X86FixupInstTuning.cpp
  llvm/test/CodeGen/X86/tuning-shuffle-unpckpd-avx512.ll

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