diff options
Diffstat (limited to 'gcc/tree-ssa-loop-ch.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ch.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/gcc/tree-ssa-loop-ch.c b/gcc/tree-ssa-loop-ch.c index 18afec1..378755c 100644 --- a/gcc/tree-ssa-loop-ch.c +++ b/gcc/tree-ssa-loop-ch.c @@ -131,12 +131,10 @@ copy_loop_headers (void) basic_block *bbs, *copied_bbs; unsigned n_bbs; unsigned bbs_size; - gcov_type entry_count, body_count, total_count; loops = loop_optimizer_init (dump_file); if (!loops) return; - rewrite_into_loop_closed_ssa (NULL, TODO_update_ssa); /* We do not try to keep the information about irreducible regions up-to-date. */ @@ -202,8 +200,6 @@ copy_loop_headers (void) exit = single_succ_edge (loop_split_edge_with (exit, NULL)); entry = loop_preheader_edge (loop); - entry_count = entry->src->count; - body_count = exit->dest->count; if (!tree_duplicate_sese_region (entry, exit, bbs, n_bbs, copied_bbs)) { @@ -211,23 +207,6 @@ copy_loop_headers (void) continue; } - /* Fix profiling info. Scaling is done in gcov_type arithmetic to - avoid losing information; this is slow, but is done at most - once per loop. We special case 0 to avoid division by 0; - probably other special cases exist. */ - total_count = body_count + entry_count; - if (total_count == 0LL) - { - scale_bbs_frequencies_int (bbs, n_bbs, 0, 1); - scale_bbs_frequencies_int (copied_bbs, n_bbs, 0, 1); - } - else - { - scale_bbs_frequencies_gcov_type (bbs, n_bbs, body_count, total_count); - scale_bbs_frequencies_gcov_type (copied_bbs, n_bbs, entry_count, - total_count); - } - /* Ensure that the latch and the preheader is simple (we know that they are not now, since there was the loop exit condition. */ loop_split_edge_with (loop_preheader_edge (loop), NULL); |