Commits
Xin Tong committed 5f7f05da9bf
Reinstate "Moves SignatureAnalyzer and ArgumentDescriptor/ResultDescriptor into a separate analysis pass. This pass is run on every function and the optimized signature is return'ed through the getArgDescList and getResultDescList. Next step is to split to cloning and callsite rewriting into their own function passes. rdar://24730896 "