struct vtn_value *vtn_push_ssa(struct vtn_builder *b, uint32_t value_id,
struct vtn_type *type, struct vtn_ssa_value *ssa);
+void
+vtn_copy_value(struct vtn_builder *b, uint32_t src_value_id,
+ uint32_t dst_value_id);
+
struct vtn_ssa_value *vtn_create_ssa_value(struct vtn_builder *b,
const struct glsl_type *type);