mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-04 22:07:27 +00:00
e153fb33e4
This adds support for an indexed instrumentation based profiling format, which is just a small header and an on disk hash table. This format will be used by clang's -fprofile-instr-use= for PGO. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206656 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
//=-- InstrProf.cpp - Instrumented 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 support for clang's instrumentation based PGO and
|
|
// coverage.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/ProfileData/InstrProf.h"
|
|
#include "llvm/Support/ErrorHandling.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
class InstrProfErrorCategoryType : public error_category {
|
|
const char *name() const override { return "llvm.instrprof"; }
|
|
std::string message(int IE) const override {
|
|
instrprof_error::ErrorType E = static_cast<instrprof_error::ErrorType>(IE);
|
|
switch (E) {
|
|
case instrprof_error::success:
|
|
return "Success";
|
|
case instrprof_error::eof:
|
|
return "End of File";
|
|
case instrprof_error::bad_magic:
|
|
return "Invalid file format (bad magic)";
|
|
case instrprof_error::bad_header:
|
|
return "Invalid header";
|
|
case instrprof_error::unsupported_version:
|
|
return "Unsupported format version";
|
|
case instrprof_error::unsupported_hash_type:
|
|
return "Unsupported hash function";
|
|
case instrprof_error::too_large:
|
|
return "Too much profile data";
|
|
case instrprof_error::truncated:
|
|
return "Truncated profile data";
|
|
case instrprof_error::malformed:
|
|
return "Malformed profile data";
|
|
case instrprof_error::unknown_function:
|
|
return "No profile data available for function";
|
|
case instrprof_error::hash_mismatch:
|
|
return "Function hash mismatch";
|
|
case instrprof_error::count_mismatch:
|
|
return "Function count mismatch";
|
|
case instrprof_error::counter_overflow:
|
|
return "Counter overflow";
|
|
}
|
|
llvm_unreachable("A value of instrprof_error has no message.");
|
|
}
|
|
error_condition default_error_condition(int EV) const {
|
|
if (EV == instrprof_error::success)
|
|
return errc::success;
|
|
return errc::invalid_argument;
|
|
}
|
|
};
|
|
}
|
|
|
|
const error_category &llvm::instrprof_category() {
|
|
static InstrProfErrorCategoryType C;
|
|
return C;
|
|
}
|