[all-commits] [llvm/llvm-project] bff34a: [AArch64] Only enable `foldCSELOfCSEl` DAG combine...

[chenglin.bi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bff34a0a5f9b757ee99bf04f1e4c547bfd33e8f5
      https://github.com/llvm/llvm-project/commit/bff34a0a5f9b757ee99bf04f1e4c547bfd33e8f5
  Author: chenglin.bi <chenglin.bi at linaro.org>
  Date:   2023-01-11 (Wed, 11 Jan 2023)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    A llvm/test/CodeGen/AArch64/pr59902.ll

  Log Message:
  -----------
  [AArch64] Only enable `foldCSELOfCSEl` DAG combine when x != y

https://alive2.llvm.org/ce/z/Uy_x_b

Fix: https://github.com/llvm/llvm-project/issues/59902

Reviewed By: dmgreen

Differential Revision: https://reviews.llvm.org/D141359