[ScalarEvolution] Change addRequired to addRequiredTransitive on two passes where ScalarEvolution stores long lived raw pointers to objects those passes own.
This prevents the pointers from dangling when those passes are freed.
http://reviews.llvm.org/D11236
Patch by Steve King.
llvm-svn: 242989
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index 459f1cc..85555a0 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -8107,10 +8107,10 @@
void ScalarEvolution::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
- AU.addRequired<AssumptionCacheTracker>();
+ AU.addRequiredTransitive<AssumptionCacheTracker>();
AU.addRequiredTransitive<LoopInfoWrapperPass>();
AU.addRequiredTransitive<DominatorTreeWrapperPass>();
- AU.addRequired<TargetLibraryInfoWrapperPass>();
+ AU.addRequiredTransitive<TargetLibraryInfoWrapperPass>();
}
bool ScalarEvolution::hasLoopInvariantBackedgeTakenCount(const Loop *L) {