[PATCH] D130339: [CodeGen] Generate efficient assembly for freeze(poison) version of `mm*_cast*` intel intrinsics

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune updated this revision to Diff 449682.
aqjune added a comment.

Define undef_or_freeze_undef and use it for the new pattern


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130339/new/

https://reviews.llvm.org/D130339

Files:
  llvm/include/llvm/CodeGen/SelectionDAGNodes.h
  llvm/include/llvm/Target/TargetSelectionDAG.td
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86InstrVecCompiler.td
  llvm/test/CodeGen/X86/avx-intrinsics-fast-isel.ll
  llvm/test/CodeGen/X86/avx-intrinsics-x86.ll
  llvm/test/CodeGen/X86/avx512-intrinsics.ll
  llvm/test/CodeGen/X86/avx512fp16-intrinsics.ll

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