================
@@ -1333,6 +1308,56 @@ static void addPreloadKernArgHint(Function &F,
TargetMachine &TM) {
}
}
+/// The final check and update of the attribute 'amdgpu-waves-per-eu' based on
+/// the determined 'amdgpu-flat-work-group-size' attribute. We can't do this
+/// during attributor run because the two attributes grow in opposite
direction,
+/// we should not use any intermediate value to calculate waves per eu until we
+/// have a determined flat workgroup size.
+static void updateWavesPerEU(Module &M, TargetMachine &TM) {
----------------
shiltian wrote:
We should probably add a CGSCC pass.
https://github.com/llvm/llvm-project/pull/123995
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