[PATCH] D128252: [AMDGPU] Lowering VGPR to SGPR copies to v_readfirstlane_b32 if profitable.

[Nicolai Hähnle via Phabricator via llvm-commits]

nhaehnle added a comment.

In D128252#3651926 <https://reviews.llvm.org/D128252#3651926>, @alex-t wrote:

> The number of the SALU instructions that are converting VALU, in this case, is the SChain.size()

Thanks for the explanation, it all makes sense now. I misread what SChain does, sorry about that.


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https://reviews.llvm.org/D128252