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//===--------- Definition of the SanitizerCoverage class --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// 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
//
//===----------------------------------------------------------------------===//
//
// SanitizerCoverage is a simple code coverage implementation.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_SANITIZERCOVERAGE_H
#define LLVM_TRANSFORMS_INSTRUMENTATION_SANITIZERCOVERAGE_H
#include "llvm/IR/PassManager.h"
#include "llvm/Support/SpecialCaseList.h"
#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Transforms/Instrumentation.h"
namespace llvm {
class Module;
/// This is the ModuleSanitizerCoverage pass used in the new pass manager. The
/// pass instruments functions for coverage, adds initialization calls to the
/// module for trace PC guards and 8bit counters if they are requested, and
/// appends globals to llvm.compiler.used.
class SanitizerCoveragePass : public PassInfoMixin<SanitizerCoveragePass> {
public:
explicit SanitizerCoveragePass(
SanitizerCoverageOptions Options = SanitizerCoverageOptions(),
const std::vector<std::string> &AllowlistFiles =
std::vector<std::string>(),
const std::vector<std::string> &BlocklistFiles =
std::vector<std::string>())
: Options(Options) {
if (AllowlistFiles.size() > 0)
Allowlist = SpecialCaseList::createOrDie(AllowlistFiles,
*vfs::getRealFileSystem());
if (BlocklistFiles.size() > 0)
Blocklist = SpecialCaseList::createOrDie(BlocklistFiles,
*vfs::getRealFileSystem());
}
PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
static bool isRequired() { return true; }
private:
SanitizerCoverageOptions Options;
std::unique_ptr<SpecialCaseList> Allowlist;
std::unique_ptr<SpecialCaseList> Blocklist;
};
} // namespace llvm
#endif
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