[PATCH] D89618: [AMDGPU] Optimize waitcnt insertion for flat memory operations

[Tony Tye via Phabricator via llvm-commits]

t-tye added a comment.

In D89618#2340966 <https://reviews.llvm.org/D89618#2340966>, @rampitec wrote:

> JFYI how much it will help actual programs after it is fixed is unclear. It will likely change a lot of lit tests, but actual effect on real programs would depend on FE and language rules. And inlining of course, as usual.

It did change 46 lit tests. I agree it is unclear how much it will help. But the GLOBAL and SCRATCH flat operations seem like they may avoid the pessimistic waitcnt 0.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D89618/new/

https://reviews.llvm.org/D89618