[PATCH] D146523: [AMDGPU]: Add new intrinsic llvm.amdgcn.convergent.copy

[Pravin Jagtap via Phabricator via llvm-commits]

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