/// doInitialization - This method is called before the SCC's of the program
/// has been processed, allowing the pass to do initialization as necessary.
virtual bool doInitialization(CallGraph &CG) {
- Context = &CG.getModule().getContext();
return false;
}
/// non-recursive (or only self-recursive) functions will have an SCC size of
/// 1, where recursive portions of the call graph will have SCC size > 1.
///
- virtual bool runOnSCC(const std::vector<CallGraphNode *> &SCC) = 0;
+ /// SCC passes that add or delete functions to the SCC are required to update
+ /// the SCC list, otherwise stale pointers may be dereferenced.
+ ///
+ virtual bool runOnSCC(std::vector<CallGraphNode *> &SCC) = 0;
/// doFinalization - This method is called after the SCC's of the program has
/// been processed, allowing the pass to do final cleanup as necessary.