-// verify - Check a module or method for validity. If errors are detected,
-// error messages corresponding to the problem are added to the errorMsgs
-// vectors, and a value of true is returned.
-//
-bool verify(const Module *M, std::vector<std::string> &ErrorMsgs);
-bool verify(const Method *M, std::vector<std::string> &ErrorMsgs);
+/// @brief An enumeration to specify the action to be taken if errors found.
+///
+/// This enumeration is used in the functions below to indicate what should
+/// happen if the verifier finds errors. Each of the functions that uses
+/// this enumeration as an argument provides a default value for it. The
+/// actions are listed below.
+enum VerifierFailureAction {
+ AbortProcessAction, ///< verifyModule will print to stderr and abort()
+ PrintMessageAction, ///< verifyModule will print to stderr and return true
+ ReturnStatusAction ///< verifyModule will just return true
+};
+
+/// @brief Create a verifier pass.
+///
+/// Check a module or function for validity. When the pass is used, the
+/// action indicated by the \p action argument will be used if errors are
+/// found.
+FunctionPass *createVerifierPass(
+ VerifierFailureAction action = AbortProcessAction ///< Action to take
+);
+
+/// @brief Check a module for errors.
+///
+/// If there are no errors, the function returns false. If an error is found,
+/// the action taken depends on the \p action parameter.
+/// This should only be used for debugging, because it plays games with
+/// PassManagers and stuff.
+
+bool verifyModule(
+ const Module &M, ///< The module to be verified
+ VerifierFailureAction action = AbortProcessAction, ///< Action to take
+ std::string *ErrorInfo = 0 ///< Information about failures.
+);
+
+// verifyFunction - Check a function for errors, useful for use when debugging a
+// pass.
+bool verifyFunction(
+ const Function &F, ///< The function to be verified
+ VerifierFailureAction action = AbortProcessAction ///< Action to take
+);
+
+} // End llvm namespace