/usr/include/llvm-3.9/llvm/IR/Verifier.h is in llvm-3.9-dev 1:3.9.1-19ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | //===- Verifier.h - LLVM IR Verifier ----------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the function verifier interface, that can be used for some
// sanity checking of input to the system, and for checking that transformations
// haven't done something bad.
//
// Note that this does not provide full 'java style' security and verifications,
// instead it just tries to ensure that code is well formed.
//
// To see what specifically is checked, look at the top of Verifier.cpp
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_IR_VERIFIER_H
#define LLVM_IR_VERIFIER_H
#include "llvm/IR/PassManager.h"
namespace llvm {
class Function;
class FunctionPass;
class ModulePass;
class Module;
class raw_ostream;
/// \brief Check a function for errors, useful for use when debugging a
/// pass.
///
/// If there are no errors, the function returns false. If an error is found,
/// a message describing the error is written to OS (if non-null) and true is
/// returned.
bool verifyFunction(const Function &F, raw_ostream *OS = nullptr);
/// \brief Check a module for errors.
///
/// If there are no errors, the function returns false. If an error is
/// found, a message describing the error is written to OS (if
/// non-null) and true is returned.
///
/// \return true if the module is broken. If BrokenDebugInfo is
/// supplied, DebugInfo verification failures won't be considered as
/// error and instead *BrokenDebugInfo will be set to true. Debug
/// info errors can be "recovered" from by stripping the debug info.
bool verifyModule(const Module &M, raw_ostream *OS = nullptr,
bool *BrokenDebugInfo = nullptr);
FunctionPass *createVerifierPass(bool FatalErrors = true);
/// Check a module for errors, and report separate error states for IR
/// and debug info errors.
class VerifierAnalysis : public AnalysisInfoMixin<VerifierAnalysis> {
friend AnalysisInfoMixin<VerifierAnalysis>;
static char PassID;
public:
struct Result {
bool IRBroken, DebugInfoBroken;
};
static void *ID() { return (void *)&PassID; }
Result run(Module &M, ModuleAnalysisManager &);
Result run(Function &F, FunctionAnalysisManager &);
};
/// Check a module for errors, but report debug info errors separately.
/// Otherwise behaves as the normal verifyModule. Debug info errors can be
/// "recovered" from by stripping the debug info.
bool verifyModule(bool &BrokenDebugInfo, const Module &M, raw_ostream *OS);
/// \brief Create a verifier pass.
///
/// Check a module or function for validity. This is essentially a pass wrapped
/// around the above verifyFunction and verifyModule routines and
/// functionality. When the pass detects a verification error it is always
/// printed to stderr, and by default they are fatal. You can override that by
/// passing \c false to \p FatalErrors.
///
/// Note that this creates a pass suitable for the legacy pass manager. It has
/// nothing to do with \c VerifierPass.
class VerifierPass : public PassInfoMixin<VerifierPass> {
bool FatalErrors;
public:
explicit VerifierPass(bool FatalErrors = true) : FatalErrors(FatalErrors) {}
PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
};
} // End llvm namespace
#endif
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