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| author | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-06-20 21:12:55 +0000 |
|---|---|---|
| committer | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-06-20 21:12:55 +0000 |
| commit | 187d4486729c4f0211637898ed8bdbca948f8359 (patch) | |
| tree | e4530ac5a76c2e326a8d962f4286702ca93f75a6 /gcc/tree-ssa-pre.c | |
| parent | a971f865875e33b0fc57254a83b680a9abc1a5ae (diff) | |
| download | gcc-187d4486729c4f0211637898ed8bdbca948f8359.tar.gz | |
* tree-ssa-pre.c (compute_antic): Keep BB_VISITED flag zeroed.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83418 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-pre.c')
| -rw-r--r-- | gcc/tree-ssa-pre.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index 7c0aeb7dca3..6fbb37a6884 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -1286,7 +1286,8 @@ compute_antic (void) FOR_ALL_BB (bb) { ANTIC_IN (bb) = set_new (true); - bb->flags &= ~BB_VISITED; + if (bb->flags & BB_VISITED) + abort (); } while (changed) @@ -1295,6 +1296,10 @@ compute_antic (void) changed = false; changed = compute_antic_aux (EXIT_BLOCK_PTR); } + FOR_ALL_BB (bb) + { + bb->flags &= ~BB_VISITED; + } if (num_iterations > 2 && dump_file && (dump_flags & TDF_STATS)) fprintf (dump_file, "compute_antic required %d iterations\n", num_iterations); } |