llvm-6502/lib/ProfileData/SampleProf.cpp

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//=-- SampleProf.cpp - Sample profiling format support --------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains common definitions used in the reading and writing of
// sample profile data.
//
//===----------------------------------------------------------------------===//
#include "llvm/ProfileData/SampleProf.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ManagedStatic.h"
using namespace llvm;
namespace {
class SampleProfErrorCategoryType : public std::error_category {
const char *name() const LLVM_NOEXCEPT override { return "llvm.sampleprof"; }
std::string message(int IE) const override {
sampleprof_error E = static_cast<sampleprof_error>(IE);
switch (E) {
case sampleprof_error::success:
return "Success";
case sampleprof_error::bad_magic:
return "Invalid file format (bad magic)";
case sampleprof_error::unsupported_version:
return "Unsupported format version";
case sampleprof_error::too_large:
return "Too much profile data";
case sampleprof_error::truncated:
return "Truncated profile data";
case sampleprof_error::malformed:
return "Malformed profile data";
case sampleprof_error::unrecognized_format:
return "Unrecognized profile encoding format";
}
llvm_unreachable("A value of sampleprof_error has no message.");
}
};
}
static ManagedStatic<SampleProfErrorCategoryType> ErrorCategory;
const std::error_category &llvm::sampleprof_category() {
return *ErrorCategory;
}