[PATCH] D39729: [X86][SSE] Use (V)PHMINPOSUW for vXi16 SMAX/SMIN/UMAX/UMIN horizontal reductions (PR32841)

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 122589.
RKSimon added a comment.

Updated now that https://reviews.llvm.org/D39726 has landed


Repository:
  rL LLVM

https://reviews.llvm.org/D39729

Files:
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86ISelLowering.h
  lib/Target/X86/X86InstrFragmentsSIMD.td
  lib/Target/X86/X86InstrSSE.td
  lib/Target/X86/X86IntrinsicsInfo.h
  test/CodeGen/X86/horizontal-reduce-smax.ll
  test/CodeGen/X86/horizontal-reduce-smin.ll
  test/CodeGen/X86/horizontal-reduce-umax.ll
  test/CodeGen/X86/horizontal-reduce-umin.ll

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