[PATCH] D144789: [DAG] Match select(icmp(x,y),sub(x,y),sub(y,x)) -> abd(x,y) patterns

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 500593.
RKSimon added a comment.
Herald added a subscriber: pengfei.

Add X86 test coverage (still need to add multiuse coverage)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144789/new/

https://reviews.llvm.org/D144789

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/Target/PowerPC/PPCISelLowering.cpp
  llvm/lib/Target/PowerPC/PPCISelLowering.h
  llvm/test/CodeGen/AArch64/abd-combine.ll
  llvm/test/CodeGen/PowerPC/ppc64-P9-vabsd.ll
  llvm/test/CodeGen/X86/abds-vector-128.ll
  llvm/test/CodeGen/X86/abds-vector-256.ll
  llvm/test/CodeGen/X86/abds-vector-512.ll
  llvm/test/CodeGen/X86/abdu-vector-128.ll
  llvm/test/CodeGen/X86/abdu-vector-256.ll
  llvm/test/CodeGen/X86/abdu-vector-512.ll

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