[PATCH] D59698: AMDGPU: Preserve LiveIntervals in WQM

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: nhaehnle, sheredom, cwabbott.
Herald added subscribers: t-tye, tpr, dstuttard, yaxunl, wdng, jvesely, kzhuravl.

This seems to already be done, but wasn't marked.


https://reviews.llvm.org/D59698

Files:
  lib/Target/AMDGPU/SIWholeQuadMode.cpp


Index: lib/Target/AMDGPU/SIWholeQuadMode.cpp
===================================================================
--- lib/Target/AMDGPU/SIWholeQuadMode.cpp
+++ lib/Target/AMDGPU/SIWholeQuadMode.cpp
@@ -200,6 +200,8 @@
 
   void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.addRequired<LiveIntervals>();
+    AU.addPreserved<SlotIndexes>();
+    AU.addPreserved<LiveIntervals>();
     AU.setPreservesCFG();
     MachineFunctionPass::getAnalysisUsage(AU);
   }


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