} 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(arch_get_irn_reg_class(arch_env, node, i) == NULL)
+ if (is_Bad(pred)) {
+ ir_fprintf(stderr, "Verify warning: %+F in block %+F(%s) has Bad as input %d\n",
+ node, get_nodes_block(node), get_irg_dump_name(env->irg), i);
+ env->problem_found = 1;
+ continue;
+ }
+
+ 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;