diff options
Diffstat (limited to 'llvm/lib')
-rw-r--r-- | llvm/lib/Analysis/LazyCallGraph.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/LazyCallGraph.cpp b/llvm/lib/Analysis/LazyCallGraph.cpp index 9377fcb0d60..6111bba9d24 100644 --- a/llvm/lib/Analysis/LazyCallGraph.cpp +++ b/llvm/lib/Analysis/LazyCallGraph.cpp @@ -1435,6 +1435,13 @@ void LazyCallGraph::RefSCC::insertTrivialRefEdge(Node &SourceN, Node &TargetN) { #ifndef NDEBUG // Check that the RefSCC is still valid when we finish. auto ExitVerifier = make_scope_exit([this] { verify(); }); + + // Check that we aren't breaking some invariants of the RefSCC graph. + RefSCC &SourceRC = *G->lookupRefSCC(SourceN); + RefSCC &TargetRC = *G->lookupRefSCC(TargetN); + if (&SourceRC != &TargetRC) + assert(SourceRC.isAncestorOf(TargetRC) && + "Ref edge is not trivial in the RefSCC graph!"); #endif // First insert it into the source or find the existing edge. auto InsertResult = SourceN.EdgeIndexMap.insert( |