[llvm-branch-commits] [llvm] [AMDGPU] Enabled GCNTrackers in GCNMaxOccupancySchedStrategy (PR #210547)

[Dhruva Chakrabarti via llvm-branch-commits]

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@@ -788,8 +788,12 @@ GCNMaxOccupancySchedStrategy::GCNMaxOccupancySchedStrategy(
   SchedStages.push_back(GCNSchedStageID::UnclusteredHighRPReschedule);
   SchedStages.push_back(GCNSchedStageID::ClusteredLowOccupancyReschedule);
   SchedStages.push_back(GCNSchedStageID::PreRARematerialize);
-  if (IsLegacyScheduler)
+  // Use more accurate GCN pressure trackers.
+  UseGCNTrackers = true;
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dhruvachak wrote:

UseGCNTrackers is in the base class. A derived strategy class turns it ON if desired. This PR is turning it ON for GCNMaxOccupancySchedStrategy.

I refactored this change, hopefully it is less confusing now.

https://github.com/llvm/llvm-project/pull/210547