[all-commits] [llvm/llvm-project] 641ab6: [CodeGen] check artificial subregister before prop...

[Brox Chen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 641ab6ef83e90b7d9c434e4fc0769b81eba17650
      https://github.com/llvm/llvm-project/commit/641ab6ef83e90b7d9c434e4fc0769b81eba17650
  Author: Brox Chen <guochen2 at amd.com>
  Date:   2026-03-12 (Thu, 12 Mar 2026)

  Changed paths:
    M llvm/lib/CodeGen/MachineCopyPropagation.cpp
    A llvm/test/CodeGen/AMDGPU/machine-cp-propagation.mir

  Log Message:
  -----------
  [CodeGen] check artificial subregister before propagate copy (#185751)

In machine copy propagation pass, do not propagate the subregister copy
if the subreg is artificial



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