2 * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Check irnodes for correctness.
23 * @author Christian Schaefer, Goetz Lindenmaier, Till Riedel
26 #ifndef FIRM_IR_IRVRFY_H
27 #define FIRM_IR_IRVRFY_H
29 #include "firm_types.h"
32 * Tests the modes of checknode and its predecessors.
33 * checknode must be in current_ir_graph.
38 int irn_vrfy(ir_node *checknode);
41 * Tests the modes of checknode and its predecessors.
42 * checknode must be in given ir_graph.
47 int irn_vrfy_irg(ir_node *checknode, ir_graph *irg);
50 * Same as irn_vrfy_irg, but temporary sets verification mode to
51 * NODE_VERIFICATION_ERROR_ONLY.
55 int irn_vrfy_irg_dump(ir_node *checknode, ir_graph *irg, const char **bad_string);
58 * Flags for irg_verify().
60 typedef enum _irg_verify_flags_t {
61 VRFY_NORMAL = 0, /**< check SSA property only if dominance information is available */
62 VRFY_ENFORCE_SSA = 1 /**< check SSA property by enforcing the dominance information recalculation */
66 * Calls irn_vrfy() for each node in irg.
67 * Graph must be in state "op_pin_state_pinned".
70 * NON-zero on success.
72 int irg_verify(ir_graph *irg, unsigned flags);
75 * Compatibility macro. Deprecated soon.
77 #define irg_vrfy(irg) irg_verify(irg, 0)
80 * Possible flags for irg_vrfy_bads().
82 enum verify_bad_flags_t {
83 BAD_CF = 1, /**< Bad nodes are allowed as predecessors of Blocks and Phis. */
84 BAD_DF = 2, /**< Bad nodes are allowed as dataflow predecessors. */
85 BAD_BLOCK = 4, /**< Bad nodes are allowed as Block input. */
86 TUPLE = 8 /**< Tuple nodes are allowed. */
90 * Verify occurrence of bad nodes in a graph.
92 * @param irg The graph to verify
93 * @param flags combination of verify_bad_flags_t flags describing
94 * which Bads are allowed
95 * @returns a value combined of verify_bad_flags_t indicating the problems found.
97 int irg_vrfy_bads(ir_graph *irg, int flags);
100 * Enable/disable verification of Load/Store nodes with
101 * its entities. If disabled, Store(SymConst(array)) will be allowed
102 * (C-frontend builds this :-)
104 void vrfy_enable_entity_tests(int enable);