add dependency to barrieri if load is in start block

diff --git a/ir/be/ia32/ia32_transform.c b/ir/be/ia32/ia32_transform.c
index 1f286b2..91f7e37 100644 (file)
--- a/ir/be/ia32/ia32_transform.c
+++ b/ir/be/ia32/ia32_transform.c
@@ -1473,6 +1473,9 @@ static ir_node *gen_Load(ia32_transform_env_t *env) {
                        add_ia32_am_offs(new_op, get_ia32_cnst(ptr));
                        am_flav = ia32_am_O;
                }
+               /* add dependency to barrier, if we are in start block */
+               if (get_irg_start_block(env->irg) == env->block)
+                       add_irn_dep(new_op, be_abi_get_start_barrier(env->cg->birg->abi));
        }
 
        set_ia32_am_support(new_op, ia32_am_Source);