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| author | Richard Biener <rguenther@suse.de> | 2016-08-05 07:41:45 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-08-05 07:41:45 +0000 |
| commit | ee2810081e4008656ffb5a2f37a5a68d5d477e7e (patch) | |
| tree | b9d764e969d86420c6267f8ab69fb903a75890df /gcc/cfghooks.c | |
| parent | 343092cfa239bfc3b620b473efa3cabda19ea7b6 (diff) | |
| download | gcc-ee2810081e4008656ffb5a2f37a5a68d5d477e7e.zip gcc-ee2810081e4008656ffb5a2f37a5a68d5d477e7e.tar.gz gcc-ee2810081e4008656ffb5a2f37a5a68d5d477e7e.tar.bz2 | |
tree-cfgcleanup.c (tree_forwarder_block_p): Use bb_loop_header_p.
2016-08-05 Richard Biener <rguenther@suse.de>
* tree-cfgcleanup.c (tree_forwarder_block_p): Use bb_loop_header_p.
* cfghooks.c (force_nonfallthru): If we ended up splitting a latch
adjust loop info accordingly.
From-SVN: r239163
Diffstat (limited to 'gcc/cfghooks.c')
| -rw-r--r-- | gcc/cfghooks.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc/cfghooks.c b/gcc/cfghooks.c index 06c05d1..4a6fcbf 100644 --- a/gcc/cfghooks.c +++ b/gcc/cfghooks.c @@ -1030,11 +1030,17 @@ force_nonfallthru (edge e) if (current_loops != NULL) { + basic_block pred = single_pred (ret); + basic_block succ = single_succ (ret); struct loop *loop - = find_common_loop (single_pred (ret)->loop_father, - single_succ (ret)->loop_father); + = find_common_loop (pred->loop_father, succ->loop_father); rescan_loop_exit (e, false, true); add_bb_to_loop (ret, loop); + + /* If we split the latch edge of loop adjust the latch block. */ + if (loop->latch == pred + && loop->header == succ) + loop->latch = ret; } } |