1 //=-- SampleProf.cpp - Sample profiling format support --------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains common definitions used in the reading and writing of
11 // sample profile data.
13 //===----------------------------------------------------------------------===//
15 #include "llvm/ProfileData/SampleProf.h"
16 #include "llvm/Support/ErrorHandling.h"
17 #include "llvm/Support/ManagedStatic.h"
22 class SampleProfErrorCategoryType : public std::error_category {
23 const char *name() const LLVM_NOEXCEPT override { return "llvm.sampleprof"; }
24 std::string message(int IE) const override {
25 sampleprof_error E = static_cast<sampleprof_error>(IE);
27 case sampleprof_error::success:
29 case sampleprof_error::bad_magic:
30 return "Invalid file format (bad magic)";
31 case sampleprof_error::unsupported_version:
32 return "Unsupported format version";
33 case sampleprof_error::too_large:
34 return "Too much profile data";
35 case sampleprof_error::truncated:
36 return "Truncated profile data";
37 case sampleprof_error::malformed:
38 return "Malformed profile data";
39 case sampleprof_error::unrecognized_format:
40 return "Unrecognized profile encoding format";
42 llvm_unreachable("A value of sampleprof_error has no message.");
47 static ManagedStatic<SampleProfErrorCategoryType> ErrorCategory;
49 const std::error_category &llvm::sampleprof_category() {
50 return *ErrorCategory;