changed handle_proj callback

[libfirm] / ir / be / beconstrperm.c

diff --git a/ir/be/beconstrperm.c b/ir/be/beconstrperm.c
index eeab5b1..52ac06b 100644 (file)
--- a/ir/be/beconstrperm.c
+++ b/ir/be/beconstrperm.c
@@ -31,7 +31,9 @@ static void check_constraints(const be_chordal_env_t *cenv, ir_node *base, ir_no
        for(pos = -1, n = get_irn_arity(irn); pos < n; ++pos) {
                arch_get_register_req(aenv, &req, irn, pos);
 
-               if(arch_irn_has_reg_class(aenv, irn, pos, cenv->cls) && arch_register_req_is(&req, limited)) {
+               if(arch_irn_has_reg_class(aenv, irn, pos, cenv->cls)
+                       && arch_register_req_is(&req, limited)
+                       && !arch_irn_is_ignore(aenv, irn)) {
 
                /*
                * If we inserted a perm,
@@ -43,7 +45,7 @@ static void check_constraints(const be_chordal_env_t *cenv, ir_node *base, ir_no
                * would help.
                        */
                        if(*perm == NULL) {
-                               *perm = insert_Perm_after(menv, cenv->cls, cenv->dom_front, sched_prev(base));
+                               *perm = insert_Perm_after(aenv, cenv->cls, cenv->dom_front, sched_prev(base));
                                be_liveness(cenv->irg);
                        }