[PATCH] D104250: [TLI] SimplifyDemandedVectorElts(): handle SCALAR_TO_VECTOR(EXTRACT_VECTOR_ELT(?, 0))

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 351980.
lebedev.ri marked an inline comment as done.
lebedev.ri added a comment.

Use `isNullConstant()`


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D104250/new/

https://reviews.llvm.org/D104250

Files:
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/test/CodeGen/X86/vector-fshl-256.ll
  llvm/test/CodeGen/X86/vector-fshl-512.ll
  llvm/test/CodeGen/X86/vector-fshl-rot-256.ll
  llvm/test/CodeGen/X86/vector-fshl-rot-512.ll
  llvm/test/CodeGen/X86/vector-fshr-256.ll
  llvm/test/CodeGen/X86/vector-fshr-512.ll
  llvm/test/CodeGen/X86/vector-fshr-rot-256.ll
  llvm/test/CodeGen/X86/vector-fshr-rot-512.ll
  llvm/test/CodeGen/X86/vector-rotate-256.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D104250.351980.patch
Type: text/x-patch
Size: 65699 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20210614/a4cec0ac/attachment-0001.bin>