post-dominators are dumped yet

[libfirm] / ir / ir / irflag.h

diff --git a/ir/ir/irflag.h b/ir/ir/irflag.h
index 52e0a15..7c436d4 100644 (file)
--- a/ir/ir/irflag.h
+++ b/ir/ir/irflag.h
@@ -28,12 +28,14 @@
  * 3. Verbosity flags.
  *    a) Flags to steer the level of the information.
  *    b) Flags to steer in which phase information should be dumped.
- *
+ * 4. Verification flag
+ *    This one controls the behavior of node and type verifications
  */
-
 #ifndef _IRFLAG_H_
 #define _IRFLAG_H_
 
+#include "firm_types.h"
+
 /**
  * A container type to load/restore all optimizations
  */
@@ -288,4 +290,21 @@ void restore_optimization_state(const optimization_state_t *state);
  */
 void all_optimizations_off(void);
 
+/**
+ * Possible verification modes.
+ */
+typedef enum _firm_verification_t {
+  FIRM_VERIFICATION_OFF        = 0,    /**< do not verify nodes at all */
+  FIRM_VERIFICATION_ON         = 1,    /**< do node verification and assert on error in debug version */
+  FIRM_VERIFICATION_REPORT     = 2,    /**< do node verification, but report to stderr only */
+  FIRM_VERIFICATION_ERROR_ONLY = 3     /**< do node verification, but NEVER do assert nor report */
+} firm_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(firm_verification_t mode);
+
 #endif /* _IRFLAG_H_ */