compiler-rt/lib/profile/InstrProfilingMergeFile.c

   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.  */
  23 COMPILER_RT_VISIBILITY
  24 void 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