[PATCH] D76138: [X86][SSE] Prefer trunc(movd(x)) to pextrb(x,0)

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 250249.
RKSimon added a comment.

rebase, with tests this time


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D76138/new/

https://reviews.llvm.org/D76138

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/avg.ll
  llvm/test/CodeGen/X86/avx512-vec3-crash.ll
  llvm/test/CodeGen/X86/bitcast-vector-bool.ll
  llvm/test/CodeGen/X86/buildvec-insertvec.ll
  llvm/test/CodeGen/X86/extract-concat.ll
  llvm/test/CodeGen/X86/horizontal-reduce-smax.ll
  llvm/test/CodeGen/X86/horizontal-reduce-smin.ll
  llvm/test/CodeGen/X86/horizontal-reduce-umax.ll
  llvm/test/CodeGen/X86/horizontal-reduce-umin.ll
  llvm/test/CodeGen/X86/scalar_widen_div.ll
  llvm/test/CodeGen/X86/var-permute-128.ll
  llvm/test/CodeGen/X86/var-permute-512.ll
  llvm/test/CodeGen/X86/vector-bitreverse.ll
  llvm/test/CodeGen/X86/vector-idiv-sdiv-128.ll
  llvm/test/CodeGen/X86/vector-reduce-add.ll
  llvm/test/CodeGen/X86/vector-reduce-and.ll
  llvm/test/CodeGen/X86/vector-reduce-mul.ll
  llvm/test/CodeGen/X86/vector-reduce-or.ll
  llvm/test/CodeGen/X86/vector-reduce-smax.ll
  llvm/test/CodeGen/X86/vector-reduce-smin.ll
  llvm/test/CodeGen/X86/vector-reduce-umax.ll
  llvm/test/CodeGen/X86/vector-reduce-umin.ll
  llvm/test/CodeGen/X86/vector-reduce-xor.ll
  llvm/test/CodeGen/X86/widen_bitops-0.ll

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