diff options
| author | Aldy Hernandez <aldyh@redhat.com> | 2012-11-06 23:55:29 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2012-11-06 15:55:29 -0800 |
| commit | 066b83541dbfbf39b6f0521cd2e5338cbb4c3e78 (patch) | |
| tree | 018b54568181c78fdd2b8bdfe4d27ca85060f16a | |
| parent | 27f7e1c331267244a7dbace1f38192f98ef8fad0 (diff) | |
| download | gcc-066b83541dbfbf39b6f0521cd2e5338cbb4c3e78.tar.gz | |
* cfghooks.c (copy_bbs): Handle a null loop_father.
From-SVN: r193270
| -rw-r--r-- | gcc/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/cfghooks.c | 15 |
2 files changed, 11 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1cde0fa59a4..e85aed0302a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,7 @@ 2012-11-06 Aldy Hernandez <aldyh@redhat.com> + * cfghooks.c (copy_bbs): Handle a null loop_father. + * cgraph.c (cgraph_debug_gimple_stmt): Handle a null current_function_decl. diff --git a/gcc/cfghooks.c b/gcc/cfghooks.c index d54dd469cf4..39f2f93d9be 100644 --- a/gcc/cfghooks.c +++ b/gcc/cfghooks.c @@ -1258,12 +1258,15 @@ copy_bbs (basic_block *bbs, unsigned n, basic_block *new_bbs, new_bb = new_bbs[i] = duplicate_block (bb, NULL, after); after = new_bb; bb->flags |= BB_DUPLICATED; - /* Possibly set loop header. */ - if (bb->loop_father->header == bb && bb->loop_father != base) - new_bb->loop_father->header = new_bb; - /* Or latch. */ - if (bb->loop_father->latch == bb && bb->loop_father != base) - new_bb->loop_father->latch = new_bb; + if (bb->loop_father) + { + /* Possibly set loop header. */ + if (bb->loop_father->header == bb && bb->loop_father != base) + new_bb->loop_father->header = new_bb; + /* Or latch. */ + if (bb->loop_father->latch == bb && bb->loop_father != base) + new_bb->loop_father->latch = new_bb; + } } /* Set dominators. */ |