[DA][NewPM] Handle transitive dependencies in the new-pm version of DA
Summary:
The analysis result of DA caches pointers to AA, SCEV, and LI, but it
never checks for their invalidation. Fix that.
Reviewers: chandlerc, dmgreen, bogner
Reviewed By: dmgreen
Subscribers: hiraditya, bollu, javed.absar, llvm-commits
Differential Revision: https://reviews.llvm.org/D56381
llvm-svn: 352986
diff --git a/llvm/lib/Analysis/DependenceAnalysis.cpp b/llvm/lib/Analysis/DependenceAnalysis.cpp
index 9b02df4..8337b9b 100644
--- a/llvm/lib/Analysis/DependenceAnalysis.cpp
+++ b/llvm/lib/Analysis/DependenceAnalysis.cpp
@@ -3368,6 +3368,19 @@
}
#endif
+bool DependenceInfo::invalidate(Function &F, const PreservedAnalyses &PA,
+ FunctionAnalysisManager::Invalidator &Inv) {
+ // Check if the analysis itself has been invalidated.
+ auto PAC = PA.getChecker<DependenceAnalysis>();
+ if (!PAC.preserved() && !PAC.preservedSet<AllAnalysesOn<Function>>())
+ return true;
+
+ // Check transitive dependencies.
+ return Inv.invalidate<AAManager>(F, PA) ||
+ Inv.invalidate<ScalarEvolutionAnalysis>(F, PA) ||
+ Inv.invalidate<LoopAnalysis>(F, PA);
+}
+
// depends -
// Returns NULL if there is no dependence.
// Otherwise, return a Dependence with as many details as possible.