/*
-* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-* All rights reserved.
-*/
+ * Project: libFIRM
+ * File name: ir/ir/irop.h
+ * Purpose: Representation of opcode of intermediate operation.
+ * Author: Christian Schaefer
+ * Modified by: Goetz Lindenmaier
+ * Created:
+ * CVS-ID: $Id$
+ * Copyright: (c) 1998-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
/**
-* @file irop.h
-*
-* Operators of firm nodes.
-*
-* @author Christian Schaefer
-*
-* This module specifies the opcodes possible for ir nodes. Their
-* definition is close to the operations specified in UKA Tech-Report
-* 1999-14
-*/
-
-/* $Id$ */
+ * @file irop.h
+ *
+ * Operators of firm nodes.
+ *
+ * @author Christian Schaefer
+ *
+ * This module specifies the opcodes possible for ir nodes. Their
+ * definition is close to the operations specified in UKA Tech-Report
+ * 1999-14
+ */
# ifndef _IROP_H_
# define _IROP_H_
# include "ident.h"
-/** the opcodes */
+/** The allowed parities */
+typedef enum {
+ oparity_invalid = 0,
+ oparity_unary, /**< an unary operator -- considering 'numeric' arguments. */
+ oparity_binary, /**< an binary operator -- considering 'numeric' arguments.*/
+ 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. */
+ oparity_dynamic, /**< arity depends on state of firm representation.
+ Can change by optimizations...
+ We must allocate a dynamic in array for the node! */
+ oparity_any /**< other arity */
+} op_arity;
+
+
+/** 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_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_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_flags;
+
+/** The opcodes of the libFirm predefined operations. */
typedef enum {
iro_Block,
- iro_Start, iro_End, iro_Jmp, iro_Cond, iro_Return, iro_Raise,
+ iro_Start, iro_End, iro_Jmp, iro_IJmp, iro_Cond, iro_Return, iro_Raise,
iro_Const, iro_SymConst,
iro_Sel, iro_InstOf,
iro_Call, iro_Add, iro_Sub, iro_Minus, iro_Mul, iro_Quot, iro_DivMod,
iro_Cmp, iro_Shl, iro_Shr, iro_Shrs, iro_Rot, iro_Conv, iro_Cast,
iro_Phi,
iro_Load, iro_Store, iro_Alloc, iro_Free, iro_Sync,
- iro_Proj, iro_Tuple, iro_Id, iro_Bad,
- iro_Unknown, iro_Filter, iro_Break, iro_CallBegin, iro_EndReg, iro_EndExcept
+ iro_Proj, iro_Tuple, iro_Id, iro_Bad, iro_Confirm,
+ iro_Unknown, iro_Filter, iro_Break, iro_CallBegin, iro_EndReg, iro_EndExcept,
+ iro_NoMem, iro_Mux, iro_CopyB,
+ iro_MaxOpcode
} opcode;
typedef struct ir_op ir_op;
extern ir_op *op_Start; ir_op *get_op_Start (void);
extern ir_op *op_End; ir_op *get_op_End (void);
extern ir_op *op_Jmp; ir_op *get_op_Jmp (void);
+extern ir_op *op_IJmp; ir_op *get_op_IJmp (void);
extern ir_op *op_Cond; ir_op *get_op_Cond (void);
extern ir_op *op_Return; ir_op *get_op_Return (void);
extern ir_op *op_Raise; ir_op *get_op_Raise (void);
extern ir_op *op_Proj; ir_op *get_op_Proj (void);
extern ir_op *op_Id; ir_op *get_op_Id (void);
extern ir_op *op_Bad; ir_op *get_op_Bad (void);
+extern ir_op *op_Confirm; ir_op *get_op_Confirm (void);
extern ir_op *op_Unknown; ir_op *get_op_Unknown (void);
extern ir_op *op_Filter; ir_op *get_op_Filter (void);
extern ir_op *op_EndReg; ir_op *get_op_EndReg (void);
extern ir_op *op_EndExcept; ir_op *get_op_EndExcept (void);
+extern ir_op *op_NoMem; ir_op *get_op_NoMem (void);
+extern ir_op *op_Mux; ir_op *get_op_Mux (void);
+extern ir_op *op_CopyB; ir_op *get_op_CopyB (void);
/** Returns the ident for the opcode name */
-ident *get_op_ident (ir_op *op);
+ident *get_op_ident(const ir_op *op);
+
/** Returns the string for the opcode. */
-const char *get_op_name (ir_op *op);
+const char *get_op_name(const ir_op *op);
/** Returns the enum for the opcode */
-opcode get_op_code (ir_op *op);
+opcode get_op_code(const ir_op *op);
-/** pinned states */
+/** op_pin_state_pinned states */
typedef enum {
- floats = 0, /**< Nodes of this opcode can be placed in any basic block. */
- pinned /**< Nodes must remain in this basic block. */
-} op_pinned;
+ op_pin_state_floats = 0, /**< Nodes of this opcode can be placed in any basic block. */
+ op_pin_state_pinned, /**< Nodes must remain in this basic block. */
+ op_pin_state_exc_pinned, /**< Node must be remain in this basic block if it can throw an
+ exception, else can float. Used internally. */
+ op_pin_state_mem_pinned /**< Node must be remain in this basic block if it can throw an
+ exception or uses memory, else can float. Used internally. */
+} op_pin_state;
-/** gets pinned state of an opcoe */
-op_pinned get_op_pinned (ir_op *op);
+const char *get_op_pin_state_name(op_pin_state s);
+
+/** gets pinned state of an opcode */
+op_pin_state get_op_pinned(const ir_op *op);
/** Sets pinned in the opcode. Setting it to floating has no effect
for Block, Phi and control flow nodes. */
-void set_op_pinned(ir_op *op, op_pinned pinned);
+void set_op_pinned(ir_op *op, op_pin_state pinned);
-/** Returns true if op is one of Start, End, Jmp, Cond, Return, Raise or Bad. */
-int is_cfopcode(ir_op *op);
+/** Returns the next free IR opcode number, allows to register user ops */
+unsigned get_next_ir_opcode(void);
-/** Returns true if the operation manipulates interprocedural control flow:
- CallBegin, EndReg, EndExcept */
-int is_ip_cfopcode(ir_op *op);
+/**
+ * Creates a new ir operation.
+ *
+ * @param code the opcode, one of type \c opcode
+ * @param name the printable name of this opcode
+ * @param p whether operations of this opcode are op_pin_state_pinned or floating
+ * @param flags a bitmask of irop_flags describing the behavior of the ir operation
+ * @param opar the parity of this ir operation
+ * @param op_index if the parity is oparity_unary, oparity_binary or oparity_trinary the index
+ * of the left operand
+ * @param attr_size attribute size for this ir operation
+ *
+ * @return The generated ir operation.
+ */
+ir_op * new_ir_op(opcode code, const char *name, op_pin_state p,
+ unsigned flags, op_arity opar, int op_index, size_t attr_size);
-/** Returns the attribute size of nodes of this opcode.
- @note Use not encouraged, internal feature. */
-int get_op_attr_size (ir_op *op);
+/**
+ * A generic function pointer.
+ */
+typedef void (*op_func)(void);
+
+/** The NULL-function. */
+#define NULL_FUNC ((generic_func)(NULL))
+
+/**
+ * Returns the generic function pointer from an ir operation.
+ */
+op_func get_generic_function_ptr(const ir_op *op);
+
+/**
+ * Store a generic function pointer into an ir operation.
+ */
+void set_generic_function_ptr(ir_op *op, op_func func);
# endif /* _IROP_H_ */
projects / libfirm / blobdiff