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

Mon May 22 09:04:44 PDT 2023

arsenm added a comment.

In D150390#4361021 <https://reviews.llvm.org/D150390#4361021>, @cdevadas wrote:

> In D150390#4360314 <https://reviews.llvm.org/D150390#4360314>, @arsenm wrote:
>
>> I don’t understand why you are updating this patch when it’s replaced with the new live range splitting hooks
>
> This is target handling for introducing the LiveRange Split opcode (Pred-COPY) for AMDGPU and together with D150388 <https://reviews.llvm.org/D150388>, this patch will avoid my initial Pred-COPY generic opcode implementation patches D143754 <https://reviews.llvm.org/D143754> & D143757 <https://reviews.llvm.org/D143757>.

More specifically I meant SimplifyPredicatedCopies. If they're only inserted in contexts where they are required, then we wouldn't need a pass to remove the unnecessary cases

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150390/new/

https://reviews.llvm.org/D150390