diff options
Diffstat (limited to 'gcc/tree-cfgcleanup.c')
| -rw-r--r-- | gcc/tree-cfgcleanup.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/tree-cfgcleanup.c b/gcc/tree-cfgcleanup.c index 8cf66cb..39dcfe7 100644 --- a/gcc/tree-cfgcleanup.c +++ b/gcc/tree-cfgcleanup.c @@ -599,7 +599,7 @@ cleanup_tree_cfg_loop (void) { bool changed = cleanup_tree_cfg (); - if (changed) + if (changed && current_loops != NULL) { bitmap changed_bbs = BITMAP_ALLOC (NULL); calculate_dominance_info (CDI_DOMINATORS); @@ -608,7 +608,8 @@ cleanup_tree_cfg_loop (void) /* This usually does nothing. But sometimes parts of cfg that originally were inside a loop get out of it due to edge removal (since they become unreachable by back edges from latch). */ - rewrite_into_loop_closed_ssa (changed_bbs, TODO_update_ssa); + if ((current_loops->state & LOOP_CLOSED_SSA) != 0) + rewrite_into_loop_closed_ssa (changed_bbs, TODO_update_ssa); BITMAP_FREE (changed_bbs); |