InstrProfilingMergeFile.c revision 360784
1/*===- InstrProfilingMergeFile.c - Profile in-process Merging  ------------===*\
2|*
3|* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4|* See https://llvm.org/LICENSE.txt for license information.
5|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6|*
7|*===----------------------------------------------------------------------===
8|* This file defines APIs needed to support in-process merging for profile data
9|* stored in files.
10\*===----------------------------------------------------------------------===*/
11
12#if !defined(__Fuchsia__)
13
14#include "InstrProfiling.h"
15#include "InstrProfilingInternal.h"
16#include "InstrProfilingUtil.h"
17
18#define INSTR_PROF_VALUE_PROF_DATA
19#include "profile/InstrProfData.inc"
20
21/* Merge value profile data pointed to by SrcValueProfData into
22 * in-memory profile counters pointed by to DstData.  */
23COMPILER_RT_VISIBILITY
24void lprofMergeValueProfData(ValueProfData *SrcValueProfData,
25                             __llvm_profile_data *DstData) {
26  unsigned I, S, V, DstIndex = 0;
27  InstrProfValueData *VData;
28  ValueProfRecord *VR = getFirstValueProfRecord(SrcValueProfData);
29  for (I = 0; I < SrcValueProfData->NumValueKinds; I++) {
30    VData = getValueProfRecordValueData(VR);
31    unsigned SrcIndex = 0;
32    for (S = 0; S < VR->NumValueSites; S++) {
33      uint8_t NV = VR->SiteCountArray[S];
34      for (V = 0; V < NV; V++) {
35        __llvm_profile_instrument_target_value(VData[SrcIndex].Value, DstData,
36                                               DstIndex, VData[SrcIndex].Count);
37        ++SrcIndex;
38      }
39      ++DstIndex;
40    }
41    VR = getValueProfRecordNext(VR);
42  }
43}
44
45#endif
46