[all-commits] [llvm/llvm-project] 71f0ec: [AArch64] Add `foldCSELOfCSEL` combine.

[Karl Meakin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 71f0ec242f348e7d22988cf6ef1a5185b53df70b
      https://github.com/llvm/llvm-project/commit/71f0ec242f348e7d22988cf6ef1a5185b53df70b
  Author: Karl Meakin <karl.meakin at arm.com>
  Date:   2022-08-19 (Fri, 19 Aug 2022)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h
    M llvm/test/CodeGen/AArch64/i128-math.ll
    M llvm/test/CodeGen/AArch64/i256-math.ll
    M llvm/test/CodeGen/AArch64/sadd_sat_vec.ll
    M llvm/test/CodeGen/AArch64/ssub_sat_vec.ll
    M llvm/test/CodeGen/AArch64/uadd_sat_vec.ll
    M llvm/test/CodeGen/AArch64/usub_sat_vec.ll

  Log Message:
  -----------
  [AArch64] Add `foldCSELOfCSEL` combine.

This time more conservative.

Differential review: https://reviews.llvm.org/D125504