Added assert for ignore regs

[libfirm] / ir / be / bespillbelady.c

diff --git a/ir/be/bespillbelady.c b/ir/be/bespillbelady.c
index c5a021e..08b9c64 100644 (file)
--- a/ir/be/bespillbelady.c
+++ b/ir/be/bespillbelady.c
@@ -257,10 +257,12 @@ static int is_mem_phi(const ir_node *irn, void *data) {
 static INLINE unsigned get_distance(belady_env_t *bel, const ir_node *from, unsigned from_step, const ir_node *def, int skip_from_uses)
 {
        arch_irn_flags_t fl = arch_irn_get_flags(bel->arch, def);
-       if((fl & (arch_irn_flags_ignore | arch_irn_flags_dont_spill)) != 0)
+       unsigned dist = be_get_next_use(bel->uses, from, from_step, def, skip_from_uses);
+
+       if(!USES_IS_INIFINITE(dist) && (fl & (arch_irn_flags_ignore | arch_irn_flags_dont_spill)) != 0)
                return 0;
-       else
-               return be_get_next_use(bel->uses, from, from_step, def, skip_from_uses);
+
+       return dist;
 }
 
 /**