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| author | Vladimir Kargov <kargov@gmail.com> | 2010-08-11 20:29:10 +0000 |
|---|---|---|
| committer | Sebastian Pop <spop@gcc.gnu.org> | 2010-08-11 20:29:10 +0000 |
| commit | f4ce375dd84cef63084ae910367a8f32b595d8eb (patch) | |
| tree | 179c0e30f56deacb4321b27a2f422431e26876a2 /gcc/cfgloop.c | |
| parent | 15d17127b2a3db62eb74a39e56bd6b63b1d8ef57 (diff) | |
| download | gcc-f4ce375dd84cef63084ae910367a8f32b595d8eb.zip gcc-f4ce375dd84cef63084ae910367a8f32b595d8eb.tar.gz gcc-f4ce375dd84cef63084ae910367a8f32b595d8eb.tar.bz2 | |
Add loop_exits_from_bb_p.
2010-07-20 Vladimir Kargov <kargov@gmail.com>
Sebastian Pop <sebastian.pop@amd.com>
* cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
(loop_exits_from_bb_p): New.
* cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
(loop_exits_from_bb_p): Declared.
* graphite-scop-detection.c (scopdet_basic_block_info): Call
loop_exits_to_bb_p.
Co-Authored-By: Sebastian Pop <sebastian.pop@amd.com>
From-SVN: r163153
Diffstat (limited to 'gcc/cfgloop.c')
| -rw-r--r-- | gcc/cfgloop.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/gcc/cfgloop.c b/gcc/cfgloop.c index 24f0ebc..d114563 100644 --- a/gcc/cfgloop.c +++ b/gcc/cfgloop.c @@ -1620,10 +1620,10 @@ single_exit (const struct loop *loop) return NULL; } -/* Returns true when BB has an edge exiting LOOP. */ +/* Returns true when BB has an incoming edge exiting LOOP. */ bool -is_loop_exit (struct loop *loop, basic_block bb) +loop_exits_to_bb_p (struct loop *loop, basic_block bb) { edge e; edge_iterator ei; @@ -1634,3 +1634,18 @@ is_loop_exit (struct loop *loop, basic_block bb) return false; } + +/* Returns true when BB has an outgoing edge exiting LOOP. */ + +bool +loop_exits_from_bb_p (struct loop *loop, basic_block bb) +{ + edge e; + edge_iterator ei; + + FOR_EACH_EDGE (e, ei, bb->succs) + if (loop_exit_edge_p (loop, e)) + return true; + + return false; +} |