For reverse data flow analyses, enqueue the blocks in reverse order.
This more likely matches with the ideal order the blocks should be visited.
This shaves another 1% off the -fsyntax-only time for compare.c (403.gcc).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100030 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed