[PATCH] D146523: [AMDGPU]: Add new intrinsic llvm.amdgcn.convergent.copy
Pravin Jagtap via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Mar 21 07:53:48 PDT 2023
pravinjagtap added a comment.
In D146523#4209684 <https://reviews.llvm.org/D146523#4209684>, @foad wrote:
> What does this do and what is it for?
This convergent copy intrinsic will acts here as a form of barrier which makes sure that all the active lanes of VGPR (i.e. result of intrinsic) is computed before its use.
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https://reviews.llvm.org/D146523/new/
https://reviews.llvm.org/D146523
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