X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=include%2Flibfirm%2Ftyperep.h;h=fdc888006521cbe6ea2b1b662ce30b2187c1257f;hb=f7a0dee11313faad6f2ff54edc8eaadabd03e433;hp=a56834c09abe4232b6d7b96e3a6a036becfb63e2;hpb=dd76896ea572a7712222cf8e4da0f3477e7af8b0;p=libfirm

diff --git a/include/libfirm/typerep.h b/include/libfirm/typerep.h
index a56834c09..fdc888006 100644
--- a/include/libfirm/typerep.h
+++ b/include/libfirm/typerep.h
@@ -150,6 +150,7 @@ typedef enum {
 	mtp_property_runtime   = 0x00000100, /**< This method represents a runtime routine. */
 	mtp_property_private   = 0x00000200, /**< All method invocations are known, the backend is free to
 	                                       optimize the call in any possible way. */
+	mtp_property_has_loop  = 0x00000400, /**< Set, if this method contains one possible endless loop. */
 	mtp_property_inherited = (1<<31)     /**< Internal. Used only in irg's, means property is
 	                                       inherited from type. */
 } mtp_additional_property;
@@ -402,10 +403,13 @@ void set_entity_backend_marked(ir_entity *ent, int flag);
  * Bitfield type indicating the way an entity is used.
  */
 typedef enum {
-	ir_usage_address_taken    = 1 << 0,
-	ir_usage_write            = 1 << 1,
-	ir_usage_read             = 1 << 2,
-	ir_usage_reinterpret_cast = 1 << 3,
+	ir_usage_none             = 0,      /**< This entity is unused. */
+	ir_usage_address_taken    = 1 << 0, /**< The address of this entity was taken. */
+	ir_usage_write            = 1 << 1, /**< The entity was written to. */
+	ir_usage_read             = 1 << 2, /**< The entity was read. */
+	ir_usage_reinterpret_cast = 1 << 3, /**< The entity was read but with a wrong mode
+	                                         (an implicit reinterpret cast) */
+	/** Unknown access */
 	ir_usage_unknown
 		= ir_usage_address_taken | ir_usage_write | ir_usage_read
 		| ir_usage_reinterpret_cast