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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12608 91177308-0d34-0410-b5e6-96231b3b80d8
74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
//===-- llvm/Analysis/Verifier.h - Module Verifier --------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the function verifier interface, that can be used for some
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// sanity checking of input to the system, and for checking that transformations
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// haven't done something bad.
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//
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// Note that this does not provide full 'java style' security and verifications,
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// instead it just tries to ensure that code is well formed.
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//
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// To see what specifically is checked, look at the top of Verifier.cpp
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ANALYSIS_VERIFIER_H
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#define LLVM_ANALYSIS_VERIFIER_H
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namespace llvm {
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class FunctionPass;
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class Module;
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class Function;
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/// @brief An enumeration to specify the action to be taken if errors found.
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///
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/// This enumeration is used in the functions below to indicate what should
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/// happen if the verifier finds errors. Each of the functions that uses
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/// this enumeration as an argument provides a default value for it. The
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/// actions are listed below.
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enum VerifierFailureAction {
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AbortProcessAction, ///< verifyModule will print to stderr and abort()
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ThrowExceptionAction, ///< verifyModule will throw errors as std::string
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PrintMessageAction, ///< verifyModule will print to stderr and return true
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ReturnStatusAction ///< verifyModule will just return true
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};
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/// @brief Create a verifier pass.
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///
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/// Check a module or function for validity. When the pass is used, the
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/// action indicated by the \p action argument will be used if errors are
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/// found.
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FunctionPass *createVerifierPass(
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VerifierFailureAction action = AbortProcessAction ///< Action to take
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);
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/// @brief Check a module for errors.
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///
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/// If there are no errors, the function returns false. If an error is found,
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/// the action taken depends on the \p action parameter.
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/// This should only be used for debugging, because it plays games with
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/// PassManagers and stuff.
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bool verifyModule(
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const Module &M, ///< The module to be verified
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VerifierFailureAction action = AbortProcessAction ///< Action to take
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);
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// verifyFunction - Check a function for errors, useful for use when debugging a
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// pass.
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bool verifyFunction(
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const Function &F, ///< The function to be verified
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VerifierFailureAction action = AbortProcessAction ///< Action to take
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);
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} // End llvm namespace
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#endif
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