[PATCH] D79827: [x86][CGP] improve sinking of splatted vector shift amount operand

Sanjay Patel via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed May 13 12:31:37 PDT 2020


spatel updated this revision to Diff 263822.
spatel added a comment.

Patch updated:
Rebased - I just renamed convertSplatType() since there's nothing else to do in optimizeShuffleVectorInst() now.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79827/new/

https://reviews.llvm.org/D79827

Files:
  llvm/lib/CodeGen/CodeGenPrepare.cpp
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/vector-shift-by-select-loop.ll
  llvm/test/Transforms/CodeGenPrepare/X86/vec-shift.ll

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