[PATCH] D158030: [AMDGPU] Drop implicit-def $exec from v_add/sub_u64_pseudos

[Matt Arsenault via Phabricator via llvm-commits]

arsenm accepted this revision.
arsenm added a comment.
This revision is now accepted and ready to land.

In D158030#4590142 <https://reviews.llvm.org/D158030#4590142>, @rampitec wrote:

> Arguably VCC is also not needed. The pseudo itself does not produce carry, and instructions after expansion will have required defs.

VCC is definitely needed. The intermediate clobber needs to be tracked


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  https://reviews.llvm.org/D158030/new/

https://reviews.llvm.org/D158030