- BugFix: when splitting by input, ensure than Z is split by ALL inputs

[libfirm] / ir / ir / iropt.c

diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c
index 907a8fe..7603a49 100644 (file)
--- a/ir/ir/iropt.c
+++ b/ir/ir/iropt.c
@@ -6205,11 +6205,15 @@ static ir_op_ops *firm_set_default_hash(ir_opcode code, ir_op_ops *ops)
                ops->hash  = hash_##a; \
                break
 
+       /* hash function already set */
+       if (ops->hash != NULL)
+               return ops;
+
        switch (code) {
        CASE(Const);
        CASE(SymConst);
        default:
-               /* use input/mode default hash */
+               /* use input/mode default hash if no function was given */
                ops->hash = firm_default_hash;
        }