[all-commits] [llvm/llvm-project] 88b312: [AArch64] lower abs intrinsic to new ABS instructi...

[Ties Stuij via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 88b3127ed1faade1d51770e65e554d1273ed1039
      https://github.com/llvm/llvm-project/commit/88b3127ed1faade1d51770e65e554d1273ed1039
  Author: Ties Stuij <ties.stuij at arm.com>
  Date:   2023-01-10 (Tue, 10 Jan 2023)

  Changed paths:
    M llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-abs.mir

  Log Message:
  -----------
  [AArch64] lower abs intrinsic to new ABS instruction in GIsel

When feature CSSC is available, the abs intrinsic should map to the
new scalar ABS instruction when using GlobalIsel

spec:
https://developer.arm.com/documentation/ddi0602/2022-09/Base-Instructions/ABS--Absolute-value-

Reviewed By: aemerson

Differential Revision: https://reviews.llvm.org/D139419