cleanup: Fix typos in comments.

[libfirm] / ir / be / benode.c

diff --git a/ir/be/benode.c b/ir/be/benode.c
index 6998e34..55713d1 100644 (file)
--- a/ir/be/benode.c
+++ b/ir/be/benode.c
@@ -973,11 +973,9 @@ static const arch_irn_ops_t be_node_irn_ops = {
 static int get_start_reg_index(ir_graph *irg, const arch_register_t *reg)
 {
        ir_node *start  = get_irg_start(irg);
-       unsigned n_outs = arch_get_irn_n_outs(start);
-       int      i;
 
        /* do a naive linear search... */
-       for (i = 0; i < (int)n_outs; ++i) {
+       be_foreach_out(start, i) {
                arch_register_req_t const *const out_req = arch_get_irn_register_req_out(start, i);
                if (!arch_register_req_is(out_req, limited))
                        continue;
@@ -1007,24 +1005,6 @@ ir_node *be_get_initial_reg_value(ir_graph *irg, const arch_register_t *reg)
        return new_r_Proj(start, mode, i);
 }
 
-int be_find_return_reg_input(ir_node *ret, const arch_register_t *reg)
-{
-       int arity = get_irn_arity(ret);
-       int i;
-       /* do a naive linear search... */
-       for (i = 0; i < arity; ++i) {
-               const arch_register_req_t *req = arch_get_irn_register_req_in(ret, i);
-               if (!arch_register_req_is(req, limited))
-                       continue;
-               if (req->cls != reg->reg_class)
-                       continue;
-               if (!rbitset_is_set(req->limited, reg->index))
-                       continue;
-               return i;
-       }
-       panic("Tried querying undefined register '%s' at Return", reg->name);
-}
-
 static ir_entity* dummy_get_frame_entity(const ir_node *node)
 {
        (void) node;
@@ -1096,6 +1076,10 @@ void be_set_phi_reg_req(ir_node *node, const arch_register_req_t *req)
 
 void be_dump_phi_reg_reqs(FILE *F, const ir_node *node, dump_reason_t reason)
 {
+       ir_graph *irg = get_irn_irg(node);
+       if (!irg_is_constrained(irg, IR_GRAPH_CONSTRAINT_BACKEND))
+               return;
+
        switch (reason) {
        case dump_node_opcode_txt:
                fputs(get_op_name(get_irn_op(node)), F);
@@ -1106,13 +1090,8 @@ void be_dump_phi_reg_reqs(FILE *F, const ir_node *node, dump_reason_t reason)
        case dump_node_nodeattr_txt:
                break;
        case dump_node_info_txt:
-       {
-               backend_info_t *info = be_get_info(node);
-               if (info != NULL && info->out_infos[0].req != NULL) {
-                       arch_dump_reqs_and_registers(F, node);
-               }
+               arch_dump_reqs_and_registers(F, node);
                break;
-       }
 
        default:
                break;