bearch: Assert, instead of test, that the register requirement is not arch_register_r...

If it is, something is very wrong.

diff --git a/ir/be/bearch.c b/ir/be/bearch.c
index 1e3bc2b..75681c0 100644 (file)
--- a/ir/be/bearch.c
+++ b/ir/be/bearch.c
@@ -221,10 +221,9 @@ void arch_add_irn_flags(ir_node *node, arch_irn_flags_t flags)
 bool arch_reg_is_allocatable(const arch_register_req_t *req,
                              const arch_register_t *reg)
 {
+       assert(req->type != arch_register_req_type_none);
        if (reg->type & arch_register_type_joker)
                return true;
-       if (req->type == arch_register_req_type_none)
-               return false;
        if (req->type & arch_register_req_type_limited) {
                if (reg->reg_class != req->cls)
                        return false;