Owen Anderson ea6462bfd0 Use df_ext_iterator to capture the reachable set without allocating an extra set.
Also, move large sets and vectors out of instance variables and onto the stack,
and give them more reasonable sizes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53044 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-02 18:41:09 +00:00
..