[llvm-branch-commits] [llvm] [AMDGPU][SIMemoryLegalizer] Lower single-wave workgroup scope to wavefront in absence of LDSDMA (PR #224065)

[Sameer Sahasrabuddhe via llvm-branch-commits]

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@@ -3404,6 +3404,45 @@ bool isIntrinsicAlwaysUniform(unsigned IntrID) {
   return lookupAlwaysUniform(IntrID);
 }
 
+bool isAsyncIntrinsic(unsigned IntrID) {
+  switch (IntrID) {
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ssahasra wrote:

Yes. It would be really nice to find or invent some properties that can be checked instead of making a list! SIInsertWaitcnts.cpp does have `isAsync()` which itself calls some utilities from SIInstrInfo. But if this is too much work, it's okay to do that as a follow up change.

https://github.com/llvm/llvm-project/pull/224065