[PATCH] D98401: [CodeGen] Fix backward copy propagation with -g

[Zhiwei Chen via Phabricator via llvm-commits]

condy added a comment.

In D98401#2620620 <https://reviews.llvm.org/D98401#2620620>, @fhahn wrote:

> You can look at some of the existing tests for machine-cp as inspiration (grep for `machine-cp` in llvm/test/Codegen) ,e.g. see https://github.com/llvm/llvm-project/blob/main/llvm/test/CodeGen/AArch64/machine-cp-clobbers.mir
>
> For more background about Machine IR & using it for testing, please take a look at https://llvm.org/docs/MIRLangRef.html#mir-testing-guide

Thanks, I follow the tutorial to create a MIR test finnaly.


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