diff options
Diffstat (limited to 'gcc/tree-ssa-loop-im.c')
| -rw-r--r-- | gcc/tree-ssa-loop-im.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/gcc/tree-ssa-loop-im.c b/gcc/tree-ssa-loop-im.c index e957f92..6569c06 100644 --- a/gcc/tree-ssa-loop-im.c +++ b/gcc/tree-ssa-loop-im.c @@ -729,14 +729,21 @@ determine_max_movement (gimple stmt, bool must_preserve_exec) } if (!add_dependency (val, lim_data, loop, false)) return false; - def_data = get_lim_data (SSA_NAME_DEF_STMT (val)); - if (def_data) + + gimple def_stmt = SSA_NAME_DEF_STMT (val); + if (gimple_bb (def_stmt) + && gimple_bb (def_stmt)->loop_father == loop) { - min_cost = MIN (min_cost, def_data->cost); - total_cost += def_data->cost; + def_data = get_lim_data (def_stmt); + if (def_data) + { + min_cost = MIN (min_cost, def_data->cost); + total_cost += def_data->cost; + } } } + min_cost = MIN (min_cost, total_cost); lim_data->cost += min_cost; if (gimple_phi_num_args (stmt) > 1) |