diff options
Diffstat (limited to 'gcc/tree-ssa-loop-manip.c')
| -rw-r--r-- | gcc/tree-ssa-loop-manip.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gcc/tree-ssa-loop-manip.c b/gcc/tree-ssa-loop-manip.c index bce9890..30f8534 100644 --- a/gcc/tree-ssa-loop-manip.c +++ b/gcc/tree-ssa-loop-manip.c @@ -355,10 +355,16 @@ find_uses_to_rename (bitmap changed_bbs, bitmap *use_blocks, bitmap need_phis) void rewrite_into_loop_closed_ssa (bitmap changed_bbs, unsigned update_flag) { - bitmap loop_exits = get_loops_exits (); + bitmap loop_exits; bitmap *use_blocks; unsigned i, old_num_ssa_names; - bitmap names_to_rename = BITMAP_ALLOC (NULL); + bitmap names_to_rename; + + if (!current_loops) + return; + + loop_exits = get_loops_exits (); + names_to_rename = BITMAP_ALLOC (NULL); /* If the pass has caused the SSA form to be out-of-date, update it now. */ @@ -383,6 +389,8 @@ rewrite_into_loop_closed_ssa (bitmap changed_bbs, unsigned update_flag) /* Fix up all the names found to be used outside their original loops. */ update_ssa (TODO_update_ssa); + + current_loops->state |= LOOP_CLOSED_SSA; } /* Check invariants of the loop closed ssa form for the USE in BB. */ |