//===--------- 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