Avoid excessive calls to find_leader when calculating AVAIL_OUT.  This reduces the time to optimize 403.gcc from 23.5s to 21.9s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37702 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed