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| author | Michael Matz <matz@suse.de> | 2003-03-10 12:59:12 +0000 |
|---|---|---|
| committer | Michael Matz <matz@gcc.gnu.org> | 2003-03-10 12:59:12 +0000 |
| commit | e0fd3e7af44dbea3d01bbc8df3a1f3114d993f4e (patch) | |
| tree | 910ae1be1ed0cfb58f838d49e41f168f4467b5cb /gcc/cfglayout.c | |
| parent | ac228d4e574c53a6c8c91e8f368d0c14199ba523 (diff) | |
| download | gcc-e0fd3e7af44dbea3d01bbc8df3a1f3114d993f4e.zip gcc-e0fd3e7af44dbea3d01bbc8df3a1f3114d993f4e.tar.gz gcc-e0fd3e7af44dbea3d01bbc8df3a1f3114d993f4e.tar.bz2 | |
cfg.c (unchecked_make_edge): New.
* cfg.c (unchecked_make_edge): New.
(cached_make_edge): Use it.
* basic-block.h (unchecked_make_edge): Declare.
* cfglayout.c (cfg_layout_duplicate_bb): Use it.
From-SVN: r64077
Diffstat (limited to 'gcc/cfglayout.c')
| -rw-r--r-- | gcc/cfglayout.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/cfglayout.c b/gcc/cfglayout.c index 04ba2ec..1f4f8fc 100644 --- a/gcc/cfglayout.c +++ b/gcc/cfglayout.c @@ -980,7 +980,10 @@ cfg_layout_duplicate_bb (bb, e) new_bb->flags = bb->flags; for (s = bb->succ; s; s = s->succ_next) { - n = make_edge (new_bb, s->dest, s->flags); + /* Since we are creating edges from a new block to successors + of another block (which therefore are known to be disjoint), there + is no need to actually check for duplicated edges. */ + n = unchecked_make_edge (new_bb, s->dest, s->flags); n->probability = s->probability; if (new_count) /* Take care for overflows! */ |