include/llvm/Transforms/Instrumentation/SanitizerCoverage.h

   1 //===--------- Definition of the SanitizerCoverage class --------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   6 // See https://llvm.org/LICENSE.txt for license information.
   7 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   8 //
   9 //===----------------------------------------------------------------------===//
  10 //
  11 // This file declares the SanitizerCoverage class which is a port of the legacy
  12 // SanitizerCoverage pass to use the new PassManager infrastructure.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_SANITIZERCOVERAGE_H
  17 #define LLVM_TRANSFORMS_INSTRUMENTATION_SANITIZERCOVERAGE_H
  18
  19 #include "llvm/IR/Module.h"
  20 #include "llvm/IR/PassManager.h"
  21 #include "llvm/Transforms/Instrumentation.h"
  22
  23 namespace llvm {
  24
  25 /// This is the ModuleSanitizerCoverage pass used in the new pass manager. The
  26 /// pass instruments functions for coverage, adds initialization calls to the
  27 /// module for trace PC guards and 8bit counters if they are requested, and
  28 /// appends globals to llvm.compiler.used.
  29 class ModuleSanitizerCoveragePass
  30     : public PassInfoMixin<ModuleSanitizerCoveragePass> {
  31 public:
  32   explicit ModuleSanitizerCoveragePass(
  33       SanitizerCoverageOptions Options = SanitizerCoverageOptions())
  34       : Options(Options) {}
  35   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
  36
  37 private:
  38   SanitizerCoverageOptions Options;
  39 };
  40
  41 // Insert SanitizerCoverage instrumentation.
  42 ModulePass *createModuleSanitizerCoverageLegacyPassPass(
  43     const SanitizerCoverageOptions &Options = SanitizerCoverageOptions());
  44
  45 } // namespace llvm
  46
  47 #endif