text: //===- FuzzerBuiltins.h - Internal header for builtins ----------*- C++ -* ===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is distributed under the University of Illinois Open Source
  // License. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  // Wrapper functions and marcos around builtin functions.
  //===----------------------------------------------------------------------===//
  
  #ifndef LLVM_FUZZER_BUILTINS_H
  #define LLVM_FUZZER_BUILTINS_H
  
  #include "FuzzerDefs.h"
  
  #if !LIBFUZZER_MSVC
  #include <cstdint>
  
  #define GET_CALLER_PC() __builtin_return_address(0)
  
  namespace fuzzer {
  
  inline uint8_t  Bswap(uint8_t x)  { return x; }
  inline uint16_t Bswap(uint16_t x) { return __builtin_bswap16(x); }
  inline uint32_t Bswap(uint32_t x) { return __builtin_bswap32(x); }
  inline uint64_t Bswap(uint64_t x) { return __builtin_bswap64(x); }
  
  inline uint32_t Clzll(unsigned long long X) { return __builtin_clzll(X); }
  inline uint32_t Clz(unsigned long long X) { return __builtin_clz(X); }
  inline int Popcountll(unsigned long long X) { return __builtin_popcountll(X); }
  
  }  // namespace fuzzer
  
  #endif  // !LIBFUZZER_MSVC
  #endif  // LLVM_FUZZER_BUILTINS_H
  