[PATCH] D152798: [AMDGPU][ValueTracking] Handle amdgcn intrinsics that cannot create poison

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

> Also I would argue that no target intrinsics can produce poison. Arithmetic poison ultimately exists because of the desire to tolerate different edge case handling on different targets, but target instructions should be well defined

That might work for creating poison, but what about propagating poison? Wouldn't it be beneficial to say that target arithmetic intrinsics still propagate poison like regular arithmetic does?


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https://reviews.llvm.org/D152798