src/compiler-rt/lib/profile/InstrProfilingMergeFile.c

   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 void (*VPMergeHook)(ValueProfData *,
  21                     __llvm_profile_data *) = &lprofMergeValueProfData;
  22
  23 /* Merge value profile data pointed to by SrcValueProfData into
  24  * in-memory profile counters pointed by to DstData.  */
  25 void lprofMergeValueProfData(ValueProfData *SrcValueProfData,
  26                              __llvm_profile_data *DstData) {
  27   unsigned I, S, V, C;
  28   InstrProfValueData *VData;
  29   ValueProfRecord *VR = getFirstValueProfRecord(SrcValueProfData);
  30   for (I = 0; I < SrcValueProfData->NumValueKinds; I++) {
  31     VData = getValueProfRecordValueData(VR);
  32     for (S = 0; S < VR->NumValueSites; S++) {
  33       uint8_t NV = VR->SiteCountArray[S];
  34       for (V = 0; V < NV; V++) {
  35         for (C = 0; C < VData[V].Count; C++)
  36           __llvm_profile_instrument_target(VData[V].Value, DstData, S);
  37       }
  38     }
  39     VR = getValueProfRecordNext(VR);
  40   }
  41 }