[all-commits] [llvm/llvm-project] 49dacd: [tests] precommit tests for D107692

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  Branch: refs/heads/release/13.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 49dacda603b353662583664f302b8ece019a346c
      https://github.com/llvm/llvm-project/commit/49dacda603b353662583664f302b8ece019a346c
  Author: Yunde Zhong <zhongyunde at huawei.com>
  Date:   2021-09-07 (Tue, 07 Sep 2021)

  Changed paths:
    A llvm/test/CodeGen/AArch64/arm64-srl-and.ll

  Log Message:
  -----------
  [tests] precommit tests for D107692

(cherry picked from commit 9790a2a72f60bb2caf891658c3c6a02b61e1f1a2)


  Commit: 9b3867e959fada1b09e681c99501accff72b6c1e
      https://github.com/llvm/llvm-project/commit/9b3867e959fada1b09e681c99501accff72b6c1e
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2021-09-07 (Tue, 07 Sep 2021)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/AArch64/arm64-srl-and.ll

  Log Message:
  -----------
  [DAGCombine] Prevent the transform of combine for multi-use operand

The test is based on a miscompile example in:
https://llvm.org/PR51321

Differential Revision: https://reviews.llvm.org/D107692

(cherry picked from commit e1e4bf174b09bcd4b25cd624f177537890bff785)


Compare: https://github.com/llvm/llvm-project/compare/8aa8ed9d4b5f...9b3867e959fa