diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-05-19 08:23:37 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-05-19 08:23:37 +0000 |
| commit | e4102b1d806355a2d2116f0df860cc5b67b7351b (patch) | |
| tree | ac85c22d0871839024511e1895e6d1ca0b09ab10 /gcc/cfgexpand.c | |
| parent | 29e3d809381eb9f5fd8cd81026370468ca8b13d5 (diff) | |
| download | gcc-e4102b1d806355a2d2116f0df860cc5b67b7351b.tar.gz | |
2017-05-19 Richard Biener <rguenther@suse.de>
PR middle-end/80764
* cfgexpand.c (expand_gimple_cond): Fix loop fixup.
* gcc.dg/torture/pr80764.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@248261 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cfgexpand.c')
| -rw-r--r-- | gcc/cfgexpand.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index e38c8e4ac49..9965310353e 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -2503,7 +2503,10 @@ expand_gimple_cond (basic_block bb, gcond *stmt) false_edge->flags |= EDGE_FALLTHRU; new_bb->count = false_edge->count; new_bb->frequency = EDGE_FREQUENCY (false_edge); - add_bb_to_loop (new_bb, bb->loop_father); + add_bb_to_loop (new_bb, dest->loop_father); + if (bb->loop_father->latch == bb + && bb->loop_father->header == dest) + bb->loop_father->latch = new_bb; new_edge = make_edge (new_bb, dest, 0); new_edge->probability = REG_BR_PROB_BASE; new_edge->count = new_bb->count; |