[all-commits] [llvm/llvm-project] 80aa9b: [PowerPC] stop reverse mem op generation for some ...

Chen Zheng via All-commits all-commits at lists.llvm.org
Mon Apr 12 19:42:32 PDT 2021


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 80aa9b0f7b3ebe53220a398b2939610d8a49e24b
      https://github.com/llvm/llvm-project/commit/80aa9b0f7b3ebe53220a398b2939610d8a49e24b
  Author: Chen Zheng <czhengsz at cn.ibm.com>
  Date:   2021-04-12 (Mon, 12 Apr 2021)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCISelLowering.cpp
    M llvm/test/CodeGen/PowerPC/vsx-shuffle-le-multiple-uses.ll

  Log Message:
  -----------
  [PowerPC] stop reverse mem op generation for some cases.

We should consider the feeder user number when we do reverse memory
operation transformation. Otherwise, we may get negative impact.

Reviewed By: nemanjai

Differential Revision: https://reviews.llvm.org/D100166




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