added prototype for firm_init_flags(),

[libfirm] / ir / ir / irvrfy.h

diff --git a/ir/ir/irvrfy.h b/ir/ir/irvrfy.h
index 853bcc7..4597daa 100644 (file)
--- a/ir/ir/irvrfy.h
+++ b/ir/ir/irvrfy.h
@@ -1,9 +1,21 @@
-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Author: Christian Schaefer
-**
-** irgraph.h: ir graph verification
+/*
+ * Project:     libFIRM
+ * File name:   ir/ir/irvrfy.h
+ * Purpose:     Check irnodes for correctness.
+ * Author:      Christian Schaefer
+ * Modified by: Goetz Lindenmaier. Till Riedel
+ * Created:
+ * CVS-ID:      $Id$
+ * Copyright:   (c) 1998-2003 Universität Karlsruhe
+ * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ */
+
+/**
+* @file irvrfy.h
+*
+* ir graph verification.
+*
+* @author Christian Schaefer
 */
 
 # ifndef _IRVRFY_H_
@@ -12,11 +24,93 @@
 # include "irnode.h"
 # include "irgraph.h"
 
-/* Tests the types of predecessors of checknode. */
-void irn_vrfy (struct ir_node *checknode);
+typedef enum _node_verification_t {
+  NODE_VERIFICATION_OFF        = 0,    /**< do not verify nodes at all */
+  NODE_VERIFICATION_ON         = 1,    /**< do node verification and assert on error in debug version */
+  NODE_VERIFICATION_REPORT     = 2,    /**< do node verification, but report to stderr only */
+  NODE_VERIFICATION_ERROR_ONLY = 3     /**< do node verification, but NEVER do assert nor report */
+} node_verification_t;
+
+/** Select verification of nodes.
+ *
+ *  Per default the  verification is in mode NODE_VERIFICATION_ASSERT.
+ *  Turn the verification off during development to check partial implementations.
+ */
+void do_node_verification(node_verification_t mode);
+
+/**
+ * Tests the modes of checknode and its predecessors.
+ * Checknode must be in current_ir_graph.
+ *
+ * \return
+ *     NON-zero on success
+ */
+int irn_vrfy(struct ir_node *checknode);
+
+/**
+ * Tests the modes of checknode and its predecessors.
+ * Checknode must be in given ir_graph.
+ *
+ * \return
+ *     NON-zero on success
+ */
+int irn_vrfy_irg(struct ir_node *checknode, ir_graph *irg);
+
+/**
+ * Same as irn_vrfy_irg, but temporary sets verification mode to
+ * NODE_VERIFICATION_ERROR_ONLY.
+ * \return
+ *     NON-zero on success
+ */
+int irn_vrfy_irg_dump(struct ir_node *checknode, ir_graph *irg, const char **bad_string);
+
+/**
+ * Flags for irg_verify().
+ */
+typedef enum _irg_verify_flags_t {
+  VRFY_NORMAL      = 0,      /**< check SSA property only if dominance information is available */
+  VRFY_ENFORCE_SSA = 1       /**< check SSA property by enforcing the dominance information recalculation */
+} irg_verify_flags_t;
+
+/**
+ * Calls irn_vrfy() for each node in irg.
+ * Graph must be in state "op_pin_state_pinned".
+ *
+ * \return
+ *     NON-zero on success.
+ */
+int irg_verify(ir_graph *irg, unsigned flags);
+
+/**
+ * Compatibility macro. Deprecated soon.
+ */
+#define irg_vrfy(irg) irg_verify(irg, 0)
+
+/**
+ * Possible flags for irg_vrfy_bads().
+ */
+enum verify_bad_flags_t {
+  BAD_CF      = 1,     /**< Bad nodes are allowed as predecessors of Blocks and Phis. */
+  BAD_DF      = 2,     /**< Bad nodes are allowed as dataflow predecessors. */
+  BAD_BLOCK   = 4,     /**< Bad nodes are allowed as Block input. */
+  TUPLE       = 8      /**< Tuple nodes are allowed. */
+};
 
-/* Calls irn_vrfy for each node in irg. */
-void irg_vrfy (ir_graph *irg);
+/**
+ * Verify occurance of bad nodes in a graph.
+ *
+ * @param irg    The graph to verify
+ * @param flags  combination of verify_bad_flags_t flags describing
+ *               which Bads are allowed
+ * @returns      a value combined of verify_bad_flags_t indicating the problems found.
+ */
+int irg_vrfy_bads(ir_graph *irg, int flags);
 
+/**
+ *  Enable/disable verification of Load/Store nodes with
+ *  its entities. If disabled, Store(SymConst(array)) will be allowed
+ *  (C-frontend builds this :-)
+ */
+void vrfy_enable_entity_tests(int enable);
 
 # endif /* _IRVRFY_H_ */