[PATCH] D56544: [X86][AARCH64] Improve ISD::ABS support

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon created this revision.
RKSimon added reviewers: craig.topper, spatel, efriedma, ikulagin.
Herald added subscribers: kristof.beyls, javed.absar.

This patch takes some of the code from D49837 <https://reviews.llvm.org/D49837> to allow us to enable ISD::ABS support for all SSE vector types plus a AARCH64 fix (arm64-vabs.ll's abs_1d_honestly tests already does this so it makes it consistent).


Repository:
  rL LLVM

https://reviews.llvm.org/D56544

Files:
  include/llvm/CodeGen/TargetLowering.h
  lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  lib/Target/AArch64/AArch64ISelLowering.cpp
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/AArch64/iabs.ll
  test/CodeGen/X86/combine-abs.ll
  test/CodeGen/X86/viabs.ll

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