[PATCH] D150390: [AMDGPU] Introduce and use the new PRED_COPY opcode

Yashwant Singh via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue May 23 01:45:59 PDT 2023


yassingh added a comment.

In D150390#4362162 <https://reviews.llvm.org/D150390#4362162>, @arsenm wrote:

> No, I'm saying there's no case where PRED_COPY->COPY makes sense. PRED_COPY needs to be lowered differently from COPY.

The reason we decided to lower it to COPY was that way this PRED_COPY instruction won't be live for too long and we won't have to worry about how it interacts with other passes.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D150390/new/

https://reviews.llvm.org/D150390



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