[llvm-branch-commits] [clang] [llvm] [AMDGPU][Attributor] Rework update of `AAAMDWavesPerEU` (PR #123995)

[Shilei Tian via llvm-branch-commits]

================
@@ -1425,8 +1453,14 @@ static bool runImpl(Module &M, AnalysisGetter &AG, 
TargetMachine &TM,
     }
   }
 
-  ChangeStatus Change = A.run();
-  return Change == ChangeStatus::CHANGED;
+  bool Changed = A.run() == ChangeStatus::CHANGED;
+
+  if (Changed && (LTOPhase == ThinOrFullLTOPhase::None ||
+                  LTOPhase == ThinOrFullLTOPhase::FullLTOPostLink ||
+                  LTOPhase == ThinOrFullLTOPhase::ThinLTOPostLink))
+    checkWavesPerEU(M, TM);
----------------
shiltian wrote:

gentle ping

https://github.com/llvm/llvm-project/pull/123995
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