| //=-- InstrProf.h - Instrumented profiling format support ---------*- C++ -*-=// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Instrumentation-based profiling data is generated by instrumented |
| // binaries through library functions in compiler-rt, and read by the clang |
| // frontend to feed PGO. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_PROFILEDATA_INSTRPROF_H_ |
| #define LLVM_PROFILEDATA_INSTRPROF_H_ |
| |
| #include <system_error> |
| |
| namespace llvm { |
| const std::error_category &instrprof_category(); |
| |
| enum class instrprof_error { |
| success = 0, |
| eof, |
| bad_magic, |
| bad_header, |
| unsupported_version, |
| unsupported_hash_type, |
| too_large, |
| truncated, |
| malformed, |
| unknown_function, |
| hash_mismatch, |
| count_mismatch, |
| counter_overflow |
| }; |
| |
| inline std::error_code make_error_code(instrprof_error E) { |
| return std::error_code(static_cast<int>(E), instrprof_category()); |
| } |
| |
| } // end namespace llvm |
| |
| namespace std { |
| template <> |
| struct is_error_code_enum<llvm::instrprof_error> : std::true_type {}; |
| } |
| |
| #endif // LLVM_PROFILEDATA_INSTRPROF_H_ |