[PATCH] D118419: [AMDGPU] Allow scalar loads after barrier

Stanislav Mekhanoshin via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 27 16:42:11 PST 2022


rampitec added a comment.

In D118419#3277932 <https://reviews.llvm.org/D118419#3277932>, @arsenm wrote:

> Can we just mark the barriers as inaccessiblememonly instead

It will not help MemorySSA but likely will allow unwanted reordering around barriers. Plus there are fences anyway along with any barrier.


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