diff options
Diffstat (limited to 'gcc/tree-ssa-loop-unswitch.c')
| -rw-r--r-- | gcc/tree-ssa-loop-unswitch.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c index 57aba4f..4287c10 100644 --- a/gcc/tree-ssa-loop-unswitch.c +++ b/gcc/tree-ssa-loop-unswitch.c @@ -853,16 +853,15 @@ hoist_guard (struct loop *loop, edge guard) same average number of iterations regardless outcome of guard. */ new_edge->probability = guard->probability; profile_count skip_count = guard->src->count > 0 - ? guard->count.apply_scale (pre_header->count, + ? guard->count ().apply_scale (pre_header->count, guard->src->count) - : guard->count.apply_probability (new_edge->probability); + : guard->count ().apply_probability (new_edge->probability); - if (skip_count > e->count) + if (skip_count > e->count ()) { fprintf (dump_file, " Capping count; expect profile inconsistency\n"); - skip_count = e->count; + skip_count = e->count (); } - new_edge->count = skip_count; if (dump_file && (dump_flags & TDF_DETAILS)) { fprintf (dump_file, " Estimated probability of skipping loop is "); @@ -874,19 +873,14 @@ hoist_guard (struct loop *loop, edge guard) First decrease count of path from newly hoisted loop guard to loop header... */ - e->count -= skip_count; e->probability = new_edge->probability.invert (); - e->dest->count = e->count; + e->dest->count = e->count (); e->dest->frequency = EDGE_FREQUENCY (e); /* ... now update profile to represent that original guard will be optimized away ... */ guard->probability = profile_probability::never (); - guard->count = profile_count::zero (); not_guard->probability = profile_probability::always (); - /* This count is wrong (frequency of not_guard does not change), - but will be scaled later. */ - not_guard->count = guard->src->count; /* ... finally scale everything in the loop except for guarded basic blocks where profile does not change. */ |