1 //=-- InstrProf.h - Instrumented profiling format support ---------*- C++ -*-=// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // Instrumentation-based profiling data is generated by instrumented 11 // binaries through library functions in compiler-rt, and read by the clang 12 // frontend to feed PGO. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #ifndef LLVM_PROFILEDATA_INSTRPROF_H_ 17 #define LLVM_PROFILEDATA_INSTRPROF_H_ 18 19 #include <system_error> 20 21 namespace llvm { 22 const std::error_category &instrprof_category(); 23 24 enum class instrprof_error { 25 success = 0, 26 eof, 27 bad_magic, 28 bad_header, 29 unsupported_version, 30 unsupported_hash_type, 31 too_large, 32 truncated, 33 malformed, 34 unknown_function, 35 hash_mismatch, 36 count_mismatch, 37 counter_overflow 38 }; 39 40 inline std::error_code make_error_code(instrprof_error E) { 41 return std::error_code(static_cast<int>(E), instrprof_category()); 42 } 43 44 } // end namespace llvm 45 46 namespace std { 47 template <> 48 struct is_error_code_enum<llvm::instrprof_error> : std::true_type {}; 49 } 50 51 #endif // LLVM_PROFILEDATA_INSTRPROF_H_ 52
