blob: fa37bf116d7dc7acec0c551653674acbec0770c7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
//=-- InstrProfWriter.h - Instrumented profiling writer -----------*- C++ -*-=//
//
// 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 writing profiling data for instrumentation
// based PGO and coverage.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_PROFILEDATA_INSTRPROF_WRITER_H_
#define LLVM_PROFILEDATA_INSTRPROF_WRITER_H_
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/raw_ostream.h"
#include <vector>
namespace llvm {
/// Writer for instrumentation based profile data.
class InstrProfWriter {
public:
struct CounterData {
uint64_t Hash;
std::vector<uint64_t> Counts;
};
private:
StringMap<CounterData> FunctionData;
public:
/// Add function counts for the given function. If there are already counts
/// for this function and the hash and number of counts match, each counter is
/// summed.
error_code addFunctionCounts(StringRef FunctionName, uint64_t FunctionHash,
ArrayRef<uint64_t> Counters);
/// Ensure that all data is written to disk.
void write(raw_fd_ostream &OS);
};
} // end namespace llvm
#endif // LLVM_PROFILE_INSTRPROF_WRITER_H_
|
