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//===- Transforms/Instrumentation/MemorySanitizer.h - MSan Pass -----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines the memoy sanitizer pass.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H
#define LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H
#include "llvm/IR/PassManager.h"
#include "llvm/Pass.h"
namespace llvm {
struct MemorySanitizerOptions {
MemorySanitizerOptions() : MemorySanitizerOptions(0, false, false){};
MemorySanitizerOptions(int TrackOrigins, bool Recover, bool Kernel);
bool Kernel;
int TrackOrigins;
bool Recover;
};
// Insert MemorySanitizer instrumentation (detection of uninitialized reads)
FunctionPass *
createMemorySanitizerLegacyPassPass(MemorySanitizerOptions Options = {});
/// A function pass for msan instrumentation.
///
/// Instruments functions to detect unitialized reads. This function pass
/// inserts calls to runtime library functions. If the functions aren't declared
/// yet, the pass inserts the declarations. Otherwise the existing globals are
/// used.
struct MemorySanitizerPass : public PassInfoMixin<MemorySanitizerPass> {
MemorySanitizerPass(MemorySanitizerOptions Options) : Options(Options) {}
PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM);
PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
private:
MemorySanitizerOptions Options;
};
}
#endif /* LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H */
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