is_irn_always_opt() added

[libfirm] / ir / ir / irop.h

diff --git a/ir/ir/irop.h b/ir/ir/irop.h
index 02acba4..6540751 100644 (file)
--- a/ir/ir/irop.h
+++ b/ir/ir/irop.h
@@ -21,8 +21,8 @@
  *  definition is close to the operations specified in UKA Tech-Report
  *  1999-14
  */
-#ifndef _IROP_H_
-#define _IROP_H_
+#ifndef _FIRM_IR_IROP_H_
+#define _FIRM_IR_IROP_H_
 
 #include "firm_types.h"
 
@@ -37,10 +37,10 @@ typedef enum {
   oparity_trinary,            /**< an trinary operator  -- considering 'numeric' arguments.*/
   oparity_zero,               /**< no operators, as e.g. Const. */
   oparity_variable,           /**< arity not fixed by opcode, but statically
-                                                          known.  E.g., number of arguments to call. */
+                                   known.  E.g., number of arguments to call. */
   oparity_dynamic,            /**< arity depends on state of firm representation.
-                                                    Can change by optimizations...
-                                                    We must allocate a dynamic in array for the node! */
+                                   Can change by optimizations...
+                                   We must allocate a dynamic in array for the node! */
   oparity_any                 /**< other arity */
 } op_arity;
 
@@ -48,21 +48,22 @@ typedef enum {
 /** The irop flags */
 typedef enum {
   irop_flag_none        = 0x00000000, /**< nothing */
-  irop_flag_labeled     = 0x00000001,  /**< if set, Output edge labels on in-edges in vcg graph */
-  irop_flag_commutative = 0x00000002,  /**< operation is commutative */
+  irop_flag_labeled     = 0x00000001, /**< if set, Output edge labels on in-edges in vcg graph */
+  irop_flag_commutative = 0x00000002, /**< operation is commutative */
   irop_flag_cfopcode    = 0x00000004, /**< is a control flow operation */
-  irop_flag_ip_cfopcode = 0x00000008,  /**< operation manipulates interprocedural control flow */
-  irop_flag_fragile     = 0x00000010,  /**< set if the operation can change the control flow because
-                                             of an exception */
+  irop_flag_ip_cfopcode = 0x00000008, /**< operation manipulates interprocedural control flow */
+  irop_flag_fragile     = 0x00000010, /**< set if the operation can change the control flow because
+                                           of an exception */
   irop_flag_forking     = 0x00000020, /**< the operation is a forking control flow */
   irop_flag_highlevel   = 0x00000040, /**< the operation is a pure high-level one and can be
                                            skipped in low-level optimizations */
   irop_flag_constlike   = 0x00000080, /**< the operation has no arguments and is some
                                            kind of a constant */
-  irop_flag_keep        = 0x00000100, /**< this operation can be kept in End's keep-alive list */
-  irop_flag_machine     = 0x00000200, /**< this operation is a machine operation */
-  irop_flag_machine_op  = 0x00000400, /**< this operation is a machine operand */
-  irop_flag_user        = 0x00000800  /**< this flag and all higher one are free for machine user */
+  irop_flag_always_opt  = 0x00000100, /**< this operation must always be optimized */
+  irop_flag_keep        = 0x00000200, /**< this operation can be kept in End's keep-alive list */
+  irop_flag_machine     = 0x00000400, /**< this operation is a machine operation */
+  irop_flag_machine_op  = 0x00000800, /**< this operation is a machine operand */
+  irop_flag_user        = 0x00001000  /**< this flag and all higher one are free for machine user */
 } irop_flags;
 
 /** The opcodes of the libFirm predefined operations. */
@@ -81,6 +82,7 @@ typedef enum {
   iro_Unknown, iro_Filter, iro_Break, iro_CallBegin, iro_EndReg, iro_EndExcept,
   iro_NoMem, iro_Mux, iro_Psi, iro_CopyB,
   iro_InstOf, iro_Raise, iro_Bound,
+  iro_Pin,
   iro_MaxOpcode
 } opcode;
 
@@ -157,6 +159,8 @@ extern ir_op *op_InstOf;          ir_op *get_op_InstOf    (void);
 extern ir_op *op_Raise;           ir_op *get_op_Raise     (void);
 extern ir_op *op_Bound;           ir_op *get_op_Bound     (void);
 
+extern ir_op *op_Pin;             ir_op *get_op_Pin       (void);
+
 /** Returns the ident for the opcode name */
 ident *get_op_ident(const ir_op *op);
 
@@ -357,4 +361,4 @@ ir_op * new_ir_op(opcode code, const char *name, op_pin_state p,
 /** Returns the ir_op_ops of an ir_op. */
 const ir_op_ops *get_op_ops(const ir_op *op);
 
-#endif /* _IROP_H_ */
+#endif /* _FIRM_IR_IROP_H_ */