diff options
Diffstat (limited to 'gcc/tree-ssa-forwprop.c')
| -rw-r--r-- | gcc/tree-ssa-forwprop.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c index 3b8822f2e6d..43f4f2a05e0 100644 --- a/gcc/tree-ssa-forwprop.c +++ b/gcc/tree-ssa-forwprop.c @@ -355,7 +355,7 @@ remove_prop_source_from_use (tree name) return cfg_changed; } -/* Return the rhs of a gimple_assign STMT in a form of a single tree, +/* Return the rhs of a gassign *STMT in a form of a single tree, converted to type TYPE. This should disappear, but is needed so we can combine expressions and use @@ -529,7 +529,7 @@ forward_propagate_into_comparison (gimple_stmt_iterator *gsi) This must be kept in sync with forward_propagate_into_cond. */ static int -forward_propagate_into_gimple_cond (gimple stmt) +forward_propagate_into_gimple_cond (gcond *stmt) { tree tmp; enum tree_code code = gimple_cond_code (stmt); @@ -1043,7 +1043,7 @@ forward_propagate_addr_expr (tree name, tree rhs, bool parent_single_use_p) have values outside the range of the new type. */ static void -simplify_gimple_switch_label_vec (gimple stmt, tree index_type) +simplify_gimple_switch_label_vec (gswitch *stmt, tree index_type) { unsigned int branch_num = gimple_switch_num_labels (stmt); auto_vec<tree> labels (branch_num); @@ -1113,7 +1113,7 @@ simplify_gimple_switch_label_vec (gimple stmt, tree index_type) the condition which we may be able to optimize better. */ static bool -simplify_gimple_switch (gimple stmt) +simplify_gimple_switch (gswitch *stmt) { /* The optimization that we really care about is removing unnecessary casts. That will let us do much better in propagating the inferred @@ -2233,10 +2233,10 @@ pass_forwprop::execute (function *fun) bitmap_set_bit (to_purge, bb->index); /* Cleanup the CFG if we simplified a condition to true or false. */ - if (gimple_code (stmt) == GIMPLE_COND - && (gimple_cond_true_p (stmt) - || gimple_cond_false_p (stmt))) - cfg_changed = true; + if (gcond *cond = dyn_cast <gcond *> (stmt)) + if (gimple_cond_true_p (cond) + || gimple_cond_false_p (cond)) + cfg_changed = true; update_stmt (stmt); } @@ -2286,13 +2286,13 @@ pass_forwprop::execute (function *fun) } case GIMPLE_SWITCH: - changed = simplify_gimple_switch (stmt); + changed = simplify_gimple_switch (as_a <gswitch *> (stmt)); break; case GIMPLE_COND: { - int did_something; - did_something = forward_propagate_into_gimple_cond (stmt); + int did_something + = forward_propagate_into_gimple_cond (as_a <gcond *> (stmt)); if (did_something == 2) cfg_changed = true; changed = did_something != 0; |