- factor out setting of entity attributes

- add support for __attribute__((pure)) specifier

[r21136]

diff --git a/ast2firm.c b/ast2firm.c
index da71dfb..613f9cb 100644 (file)
--- a/ast2firm.c
+++ b/ast2firm.c
@@ -980,6 +980,26 @@ typedef ident* (*create_ld_ident_func)(ir_entity *entity,
                                        declaration_t *declaration);
 create_ld_ident_func  create_ld_ident = create_ld_ident_linux_elf;
 
+/**
+ * Handle GNU attributes for entities
+ *
+ * @param ent   the entity
+ * @param decl  the routine declaration
+ */
+static void handle_gnu_attributes_ent(ir_entity *ent, declaration_t *decl)
+{
+       if (decl->modifiers & DM_PURE) {
+               /* TRUE if the declaration includes the GNU
+                  __attribute__((pure)) specifier. */
+               set_entity_additional_property(ent, mtp_property_pure);
+       }
+       if (decl->modifiers & DM_USED) {
+               /* TRUE if the declaration includes the GNU
+                  __attribute__((used)) specifier. */
+               set_entity_stickyness(ent, stickyness_sticky);
+       }
+}
+
 /**
  * Creates an entity representing a function.
  *
@@ -1012,9 +1032,7 @@ static ir_entity *get_function_entity(declaration_t *declaration)
        entity               = new_d_entity(global_type, id, ir_type_method, dbgi);
        set_entity_ld_ident(entity, create_ld_ident(entity, declaration));
 
-       if (declaration->modifiers & DM_USED) {
-               set_entity_stickyness(entity, stickyness_sticky);
-       }
+       handle_gnu_attributes_ent(entity, declaration);
 
        /* static inline             => local
         * extern inline             => local