- BugFix: transform_polymorph_Load() returns the original load, not NULL

- removed useless code

[r22109]

diff --git a/ir/opt/ldstopt.c b/ir/opt/ldstopt.c
index 253b3ef..489e2a8 100644 (file)
--- a/ir/opt/ldstopt.c
+++ b/ir/opt/ldstopt.c
@@ -410,7 +410,6 @@ ptr_arith:
                for (ent = field;;) {
                        unsigned size;
                        tarval   *sz, *tv_index, *tlower, *tupper;
-                       long     index;
                        ir_node  *bound;
 
                        tp = get_entity_type(ent);
@@ -441,7 +440,6 @@ ptr_arith:
                                return NULL;
 
                        /* ok, bounds check finished */
-                       index = get_tarval_long(tv_index);
                        ++idx;
                }
                if (! tarval_is_null(tv)) {
@@ -1038,7 +1036,8 @@ static unsigned optimize_load(ir_node *load)
        /* Load from a constant polymorphic field, where we can resolve
           polymorphism. */
        value = transform_polymorph_Load(load);
-       if (value == NULL) {
+       if (value == load) {
+               value = NULL;
                /* check if we can determine the entity that will be loaded */
                ent = find_constant_entity(ptr);
                if (ent != NULL) {