Dan Gohman 85ebb0f66c Tell ScalarEvolution to forget a loop before starting to delete it.
This way ScalarEvolution can examine the loop to determine what state
it needs to update, if it chooses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75029 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-08 19:14:29 +00:00
..