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//=-- 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_
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