[PATCH] D64333: AMDGPU: Move waitcnt intrinsic to instruction definition pattern

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D64333#1581763 <https://reviews.llvm.org/D64333#1581763>, @hakzsam wrote:

>




>   call void @llvm.amdgcn.s.waitcnt(i32 49279) #2

This isn't a 16-bit value, so this isn't a correct use. Previously it would have been truncated. I'm also surprised there is a user of this that doesn't just use 0? In context it looks like you should be using a fence instruction instead?


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https://reviews.llvm.org/D64333