2 Commits

Author	SHA1	Message	Date
Chris Lattner	5e459dbc52	Drop references to globals who do exist in the globals graph, but are never ... read or written to. Keep track of how many times this happens. This should be good for deleting things like references to type information in C++ classes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6946 91177308-0d34-0410-b5e6-96231b3b80d8	2003-06-28 22:10:58 +00:00
Chris Lattner	934fe856b5	New pass to perform DSA based optimizations. Initially we just support turning ... globals into constants if we can prove it's safe git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6941 91177308-0d34-0410-b5e6-96231b3b80d8	2003-06-28 21:54:55 +00:00