Added a lot of comments

[libfirm] / ir / ir / irop.h

diff --git a/ir/ir/irop.h b/ir/ir/irop.h
index ca73cbd..d08e2d1 100644 (file)
--- a/ir/ir/irop.h
+++ b/ir/ir/irop.h
@@ -40,7 +40,8 @@ typedef enum {
   iro_Load, iro_Store, iro_Alloc, iro_Free, iro_Sync,
   iro_Proj, iro_Tuple, iro_Id, iro_Bad, iro_Confirm,
   iro_Unknown, iro_Filter, iro_Break, iro_CallBegin, iro_EndReg, iro_EndExcept,
-  iro_FuncCall
+  iro_FuncCall,
+  iro_MaxOpcode
 } opcode;
 
 typedef struct ir_op ir_op;