[PATCH] D91335: [DivergenceAnalysis] Use addRequiredTransitive

[Piotr Sobczak via Phabricator via llvm-commits]

piotr created this revision.
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For querying divergence the chained analysis passes are required
to be alive, for instance LoopInfoWrapperPass.

Ensure that by using addRequiredTransitive.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D91335

Files:
  llvm/lib/Analysis/LegacyDivergenceAnalysis.cpp


Index: llvm/lib/Analysis/LegacyDivergenceAnalysis.cpp
===================================================================
--- llvm/lib/Analysis/LegacyDivergenceAnalysis.cpp
+++ llvm/lib/Analysis/LegacyDivergenceAnalysis.cpp
@@ -299,9 +299,9 @@
 }
 
 void LegacyDivergenceAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
-  AU.addRequired<DominatorTreeWrapperPass>();
-  AU.addRequired<PostDominatorTreeWrapperPass>();
-  AU.addRequired<LoopInfoWrapperPass>();
+  AU.addRequiredTransitive<DominatorTreeWrapperPass>();
+  AU.addRequiredTransitive<PostDominatorTreeWrapperPass>();
+  AU.addRequiredTransitive<LoopInfoWrapperPass>();
   AU.setPreservesAll();
 }
 


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