[PATCH] D34130: [AMDGPU] Eliminate SGPR to VGPR copy when possible

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec added inline comments.


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Comment at: test/CodeGen/AMDGPU/opt-sgpr-to-vgrp-copy.ll:25
+}
+
+declare i32 @llvm.amdgcn.workitem.id.x() #0
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arsenm wrote:
> Probably need a MIR test to stress multiple uses
Can you be more specific, multiple uses of what? Do you mean multiple uses of the same COPY?


Repository:
  rL LLVM

https://reviews.llvm.org/D34130