int main(int argc, const char *argv[]) {
unsigned S, NS = 10, V;
const __llvm_profile_data *Data, *DataEnd;
setFunctionPointers();
Data = __llvm_profile_begin_data();
DataEnd = __llvm_profile_end_data();
for (; Data < DataEnd; Data = __llvm_profile_iterate_data(Data)) {
void *func = __llvm_get_function_addr(Data);
if (func == caller_without_value_site1 ||
func == caller_without_value_site2 ||
func == callee1 || func == callee2 || func == main)
continue;
__llvm_profile_set_num_value_sites((__llvm_profile_data *)Data,
0 /*IPVK_IndirectCallTarget */, 10);
if (func == caller_with_value_site_never_called1 ||
func == caller_with_value_site_never_called2)
continue;
for (S = 0; S < NS; S++) {
unsigned C;
for (C = 0; C < S + 1; C++) {
__llvm_profile_instrument_target((uint64_t)callee1Ptr, (void *)Data, S);
if (C % 2 == 0)
__llvm_profile_instrument_target((uint64_t)callee2Ptr, (void *)Data, S);
}
}
}
}
int main(int argc, const char *argv[]) {
unsigned S, NS = 0, I, V, doInstrument = 1;
const __llvm_profile_data *Data, *DataEnd;
if (argc >= 2 && !strcmp(argv[1], "DO_NOT_INSTRUMENT"))
doInstrument = 0;
for (I = 0; I < 128; I++) {
CallerInfos[I].CallerAddr = CallerAddrs[I];
CallerInfos[I].NS = I;
}
qsort(CallerInfos, sizeof(CallerInfos) / sizeof(CallerInfo), sizeof(CallerInfo),
cmpaddr);
/* We will synthesis value profile data for 128 callers functions declared.
* The number of value sites for each caller function is recorded in
* the NS field of the CallerInfo object. For each value site, the number of
* callee values is determined by the site index (modulo 8). The frequency
* of each callee target synthesized is equal to V + 1, in which V is the
* index of the target value for the callsite. */
Data = __llvm_profile_begin_data();
DataEnd = __llvm_profile_end_data();
for (; Data < DataEnd; Data = __llvm_profile_iterate_data(Data)) {
void *func = __llvm_get_function_addr(Data);
CallerInfo Key, *Res;
Key.CallerAddr = func;
Res = (CallerInfo *) bsearch(&Key, CallerInfos, sizeof(CallerInfos) / sizeof(CallerInfo),
sizeof(CallerInfo), cmpaddr);
if (Res) {
NS = Res->NS;
__llvm_profile_set_num_value_sites((__llvm_profile_data *)Data,
0 /*IPVK_IndirectCallTarget */, NS);
if (!doInstrument) {
continue;
}
for (S = 0; S < NS; S++) {
for (V = 0; V < S % 8; V++) {
unsigned C;
for (C = 0; C < V + 1; C++)
__llvm_profile_instrument_target((uint64_t)CalleeAddrs[V],
(void *)Data, S);
}
}
}
}
}
/* Merge value profile data pointed to by SrcValueProfData into
* in-memory profile counters pointed by to DstData. */
void lprofMergeValueProfData(ValueProfData *SrcValueProfData,
__llvm_profile_data *DstData) {
unsigned I, S, V, C;
InstrProfValueData *VData;
ValueProfRecord *VR = getFirstValueProfRecord(SrcValueProfData);
for (I = 0; I < SrcValueProfData->NumValueKinds; I++) {
VData = getValueProfRecordValueData(VR);
for (S = 0; S < VR->NumValueSites; S++) {
uint8_t NV = VR->SiteCountArray[S];
for (V = 0; V < NV; V++) {
for (C = 0; C < VData[V].Count; C++)
__llvm_profile_instrument_target(VData[V].Value, DstData, S);
}
}
VR = getValueProfRecordNext(VR);
}
}
int main(int argc, const char *argv[]) {
unsigned S, NS = 0, V, doInstrument = 1;
const __llvm_profile_data *Data, *DataEnd;
if (argc < 2)
doInstrument = 0;
qsort(CallerAddrs, sizeof(CallerAddrs) / sizeof(void *), sizeof(void *),
cmpaddr);
/* We will synthesis value profile data for 128 callers functions.
* The number of * value sites. The number values for each value site
* ranges from 0 to 8. */
Data = __llvm_profile_begin_data();
DataEnd = __llvm_profile_end_data();
for (; Data < DataEnd; Data = __llvm_profile_iterate_data(Data)) {
void *func = __llvm_get_function_addr(Data);
if (bsearch(&func, CallerAddrs, sizeof(CallerAddrs) / sizeof(void *),
sizeof(void *), cmpaddr)) {
__llvm_profile_set_num_value_sites((__llvm_profile_data *)Data,
0 /*IPVK_IndirectCallTarget */, NS);
if (!doInstrument) {
NS++;
continue;
}
for (S = 0; S < NS; S++) {
for (V = 0; V < S % 8; V++) {
unsigned C;
for (C = 0; C < V + 1; C++)
__llvm_profile_instrument_target((uint64_t)CalleeAddrs[V],
(void *)Data, S);
}
}
NS++;
}
}
}