1 /*===- InstrProfilingMergeFile.c - Profile in-process Merging  ------------===*\
2 |*
3 |*                     The LLVM Compiler Infrastructure
4 |*
5 |* This file is distributed under the University of Illinois Open Source
6 |* License. See LICENSE.TXT for details.
7 |*
8 |*===----------------------------------------------------------------------===
9 |* This file defines APIs needed to support in-process merging for profile data
10 |* stored in files.
11 \*===----------------------------------------------------------------------===*/
12 
13 #include "InstrProfiling.h"
14 #include "InstrProfilingInternal.h"
15 #include "InstrProfilingUtil.h"
16 
17 #define INSTR_PROF_VALUE_PROF_DATA
18 #include "InstrProfData.inc"
19 
20 /* Merge value profile data pointed to by SrcValueProfData into
21  * in-memory profile counters pointed by to DstData.  */
22 void lprofMergeValueProfData(ValueProfData *SrcValueProfData,
23                              __llvm_profile_data *DstData) {
24   unsigned I, S, V, DstIndex = 0;
25   InstrProfValueData *VData;
26   ValueProfRecord *VR = getFirstValueProfRecord(SrcValueProfData);
27   for (I = 0; I < SrcValueProfData->NumValueKinds; I++) {
28     VData = getValueProfRecordValueData(VR);
29     unsigned SrcIndex = 0;
30     for (S = 0; S < VR->NumValueSites; S++) {
31       uint8_t NV = VR->SiteCountArray[S];
32       for (V = 0; V < NV; V++) {
33         __llvm_profile_instrument_target_value(VData[SrcIndex].Value, DstData,
34                                                DstIndex, VData[SrcIndex].Count);
35         ++SrcIndex;
36       }
37       ++DstIndex;
38     }
39     VR = getValueProfRecordNext(VR);
40   }
41 }
42