added ir/opt include
[libfirm] / ir / be / beverify.c
index c03a190..7dc4e58 100644 (file)
@@ -597,26 +597,28 @@ typedef struct _be_verify_register_allocation_env_t {
 } be_verify_register_allocation_env_t;
 
 static void check_register_constraints(ir_node *node, be_verify_register_allocation_env_t *env) {
-       const arch_env_t *arch_env = env->arch_env;
+       const arch_env_t      *arch_env = env->arch_env;
        const arch_register_t *reg;
-       int i, arity;
+       int                   i, arity;
 
-       if(arch_get_irn_reg_class(arch_env, node, -1) != NULL) {
+       /* verify output register */
+       if (arch_get_irn_reg_class(arch_env, node, -1) != NULL) {
                reg = arch_get_irn_register(arch_env, node);
-               if(reg == NULL) {
+               if (reg == NULL) {
                        ir_fprintf(stderr, "Verify warning: Node %+F in block %+F(%s) should have a register assigned\n",
                                        node, get_nodes_block(node), get_irg_dump_name(env->irg));
                        env->problem_found = 1;
                }
-               if(reg != NULL && !arch_reg_is_allocatable(arch_env, node, -1, reg)) {
+               else if (! arch_register_type_is(reg, joker) && !arch_reg_is_allocatable(arch_env, node, -1, reg)) {
                        ir_fprintf(stderr, "Verify warning: Register %s assigned as output of %+F not allowed (register constraint) in block %+F(%s)\n",
                                        reg->name, node, get_nodes_block(node), get_irg_dump_name(env->irg));
                        env->problem_found = 1;
                }
        }
 
+       /* verify input register */
        arity = get_irn_arity(node);
-       for(i = 0; i < arity; ++i) {
+       for (i = 0; i < arity; ++i) {
                ir_node *pred = get_irn_n(node, i);
 
                if (is_Bad(pred)) {
@@ -626,17 +628,17 @@ static void check_register_constraints(ir_node *node, be_verify_register_allocat
                        continue;
                }
 
-               if(arch_get_irn_reg_class(arch_env, node, i) == NULL)
+               if (arch_get_irn_reg_class(arch_env, node, i) == NULL)
                        continue;
 
                reg = arch_get_irn_register(arch_env, pred);
-               if(reg == NULL) {
+               if (reg == NULL) {
                        ir_fprintf(stderr, "Verify warning: Node %+F in block %+F(%s) should have a register assigned\n",
                                   pred, get_nodes_block(pred), get_irg_dump_name(env->irg));
                        env->problem_found = 1;
                        continue;
                }
-               if(!arch_reg_is_allocatable(arch_env, node, i, reg)) {
+               else if (! arch_register_type_is(reg, joker) && ! arch_reg_is_allocatable(arch_env, node, i, reg)) {
                        ir_fprintf(stderr, "Verify warning: Register %s as input %d of %+F not allowed (register constraint) in block %+F(%s)\n",
                                   reg->name, i, node, get_nodes_block(node), get_irg_dump_name(env->irg));
                        env->problem_found = 1;