// RUN: %clang_profgen -mllvm -vp-static-alloc=false -O2 -o %t %s // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t // RUN: env LLVM_PROFILE_FILE=%t-2.profraw %run %t DO_NOT_INSTRUMENT // RUN: llvm-profdata merge -o %t.profdata %t.profraw // RUN: llvm-profdata merge -o %t-2.profdata %t-2.profraw // RUN: llvm-profdata merge -o %t-merged.profdata %t.profraw %t-2.profdata // RUN: llvm-profdata show --all-functions -ic-targets %t-2.profdata | FileCheck %s -check-prefix=NO-VALUE // RUN: llvm-profdata show --all-functions -ic-targets %t.profdata | FileCheck %s // RUN: llvm-profdata show --all-functions -ic-targets %t-merged.profdata | FileCheck %s // // RUN: env LLVM_PROFILE_FILE=%t-3.profraw LLVM_VP_BUFFER_SIZE=1 %run %t // RUN: env LLVM_PROFILE_FILE=%t-4.profraw LLVM_VP_BUFFER_SIZE=8 %run %t // RUN: env LLVM_PROFILE_FILE=%t-5.profraw LLVM_VP_BUFFER_SIZE=128 %run %t // RUN: env LLVM_PROFILE_FILE=%t-6.profraw LLVM_VP_BUFFER_SIZE=1024 %run %t // RUN: env LLVM_PROFILE_FILE=%t-7.profraw LLVM_VP_BUFFER_SIZE=102400 %run %t // RUN: llvm-profdata merge -o %t-3.profdata %t-3.profraw // RUN: llvm-profdata merge -o %t-4.profdata %t-4.profraw // RUN: llvm-profdata merge -o %t-5.profdata %t-5.profraw // RUN: llvm-profdata merge -o %t-6.profdata %t-6.profraw // RUN: llvm-profdata merge -o %t-7.profdata %t-7.profraw // RUN: llvm-profdata show --all-functions -ic-targets %t-3.profdata | FileCheck %s // RUN: llvm-profdata show --all-functions -ic-targets %t-4.profdata | FileCheck %s // RUN: llvm-profdata show --all-functions -ic-targets %t-5.profdata | FileCheck %s // RUN: llvm-profdata show --all-functions -ic-targets %t-6.profdata | FileCheck %s // RUN: llvm-profdata show --all-functions -ic-targets %t-7.profdata | FileCheck %s #include #include #include typedef struct __llvm_profile_data __llvm_profile_data; const __llvm_profile_data *__llvm_profile_begin_data(void); const __llvm_profile_data *__llvm_profile_end_data(void); void __llvm_profile_set_num_value_sites(__llvm_profile_data *Data, uint32_t ValueKind, uint16_t NumValueSites); __llvm_profile_data * __llvm_profile_iterate_data(const __llvm_profile_data *Data); void *__llvm_get_function_addr(const __llvm_profile_data *Data); void __llvm_profile_instrument_target(uint64_t TargetValue, void *Data, uint32_t CounterIndex); #define DEF_FUNC(x) \ void x() {} #define DEF_2_FUNCS(x) DEF_FUNC(x##_1) DEF_FUNC(x##_2) #define DEF_4_FUNCS(x) DEF_2_FUNCS(x##_1) DEF_2_FUNCS(x##_2) #define DEF_8_FUNCS(x) DEF_4_FUNCS(x##_1) DEF_4_FUNCS(x##_2) #define DEF_16_FUNCS(x) DEF_8_FUNCS(x##_1) DEF_8_FUNCS(x##_2) #define DEF_32_FUNCS(x) DEF_16_FUNCS(x##_1) DEF_16_FUNCS(x##_2) #define DEF_64_FUNCS(x) DEF_32_FUNCS(x##_1) DEF_32_FUNCS(x##_2) #define DEF_128_FUNCS(x) DEF_64_FUNCS(x##_1) DEF_64_FUNCS(x##_2) #define FUNC_ADDR(x) &x, #define FUNC_2_ADDRS(x) FUNC_ADDR(x##_1) FUNC_ADDR(x##_2) #define FUNC_4_ADDRS(x) FUNC_2_ADDRS(x##_1) FUNC_2_ADDRS(x##_2) #define FUNC_8_ADDRS(x) FUNC_4_ADDRS(x##_1) FUNC_4_ADDRS(x##_2) #define FUNC_16_ADDRS(x) FUNC_8_ADDRS(x##_1) FUNC_8_ADDRS(x##_2) #define FUNC_32_ADDRS(x) FUNC_16_ADDRS(x##_1) FUNC_16_ADDRS(x##_2) #define FUNC_64_ADDRS(x) FUNC_32_ADDRS(x##_1) FUNC_32_ADDRS(x##_2) #define FUNC_128_ADDRS(x) FUNC_64_ADDRS(x##_1) FUNC_64_ADDRS(x##_2) DEF_8_FUNCS(callee) DEF_128_FUNCS(caller) void *CallerAddrs[] = {FUNC_128_ADDRS(caller)}; void *CalleeAddrs[] = {FUNC_8_ADDRS(callee)}; typedef struct CallerInfo { void *CallerAddr; uint32_t NS; /* Number value sites. */ } CallerInfo; CallerInfo CallerInfos[128]; int cmpaddr(const void *p1, const void *p2) { CallerInfo *addr1 = (CallerInfo *)p1; CallerInfo *addr2 = (CallerInfo *)p2; return (intptr_t)addr2->CallerAddr - (intptr_t)addr1->CallerAddr; } 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); } } } } } // NO-VALUE: Indirect Call Site Count: 127 // NO-VALUE-NEXT: Indirect Target Results: // CHECK-LABEL: caller_1_1_1_1_2_2_1: // CHECK: Indirect Call Site Count: 6 // CHECK-NEXT: Indirect Target Results: // CHECK-NEXT: [ 1, callee_1_1_1, 1 ] // CHECK-NEXT: [ 2, callee_1_1_2, 2 ] // CHECK-NEXT: [ 2, callee_1_1_1, 1 ] // CHECK-NEXT: [ 3, callee_1_2_1, 3 ] // CHECK-NEXT: [ 3, callee_1_1_2, 2 ] // CHECK-NEXT: [ 3, callee_1_1_1, 1 ] // CHECK-NEXT: [ 4, callee_1_2_2, 4 ] // CHECK-NEXT: [ 4, callee_1_2_1, 3 ] // CHECK-NEXT: [ 4, callee_1_1_2, 2 ] // CHECK-NEXT: [ 4, callee_1_1_1, 1 ] // CHECK-NEXT: [ 5, callee_2_1_1, 5 ] // CHECK-NEXT: [ 5, callee_1_2_2, 4 ] // CHECK-NEXT: [ 5, callee_1_2_1, 3 ] // CHECK-NEXT: [ 5, callee_1_1_2, 2 ] // CHECK-NEXT: [ 5, callee_1_1_1, 1 ] // CHECK-LABEL: caller_2_2_2_2_2_2_2: // CHECK: Indirect Call Site Count: 127 // CHECK-NEXT: Indirect Target Results: // CHECK-NEXT: [ 1, callee_1_1_1, 1 ] // CHECK-NEXT: [ 2, callee_1_1_2, 2 ] // CHECK-NEXT: [ 2, callee_1_1_1, 1 ] // CHECK-NEXT: [ 3, callee_1_2_1, 3 ] // CHECK-NEXT: [ 3, callee_1_1_2, 2 ] // CHECK-NEXT: [ 3, callee_1_1_1, 1 ] // CHECK-NEXT: [ 4, callee_1_2_2, 4 ] // CHECK-NEXT: [ 4, callee_1_2_1, 3 ] // CHECK-NEXT: [ 4, callee_1_1_2, 2 ] // CHECK-NEXT: [ 4, callee_1_1_1, 1 ] // CHECK-NEXT: [ 5, callee_2_1_1, 5 ] // CHECK-NEXT: [ 5, callee_1_2_2, 4 ] // CHECK-NEXT: [ 5, callee_1_2_1, 3 ] // CHECK-NEXT: [ 5, callee_1_1_2, 2 ] // CHECK-NEXT: [ 5, callee_1_1_1, 1 ] // CHECK-NEXT: [ 6, callee_2_1_2, 6 ] // CHECK-NEXT: [ 6, callee_2_1_1, 5 ] // CHECK-NEXT: [ 6, callee_1_2_2, 4 ] // CHECK-NEXT: [ 6, callee_1_2_1, 3 ] // CHECK-NEXT: [ 6, callee_1_1_2, 2 ] // CHECK-NEXT: [ 6, callee_1_1_1, 1 ] // CHECK-NEXT: [ 7, callee_2_2_1, 7 ] // CHECK-NEXT: [ 7, callee_2_1_2, 6 ] // CHECK-NEXT: [ 7, callee_2_1_1, 5 ] // CHECK-NEXT: [ 7, callee_1_2_2, 4 ] // CHECK-NEXT: [ 7, callee_1_2_1, 3 ] // CHECK-NEXT: [ 7, callee_1_1_2, 2 ] // CHECK-NEXT: [ 7, callee_1_1_1, 1 ] // CHECK-NEXT: [ 9, callee_1_1_1, 1 ] // CHECK-NEXT: [ 10, callee_1_1_2, 2 ] // CHECK-NEXT: [ 10, callee_1_1_1, 1 ] // CHECK-NEXT: [ 11, callee_1_2_1, 3 ] // CHECK-NEXT: [ 11, callee_1_1_2, 2 ] // CHECK-NEXT: [ 11, callee_1_1_1, 1 ] // CHECK-NEXT: [ 12, callee_1_2_2, 4 ] // CHECK-NEXT: [ 12, callee_1_2_1, 3 ] // CHECK-NEXT: [ 12, callee_1_1_2, 2 ] // CHECK-NEXT: [ 12, callee_1_1_1, 1 ] // CHECK-NEXT: [ 13, callee_2_1_1, 5 ] // CHECK-NEXT: [ 13, callee_1_2_2, 4 ] // CHECK-NEXT: [ 13, callee_1_2_1, 3 ] // CHECK-NEXT: [ 13, callee_1_1_2, 2 ] // CHECK-NEXT: [ 13, callee_1_1_1, 1 ] // CHECK-NEXT: [ 14, callee_2_1_2, 6 ] // CHECK-NEXT: [ 14, callee_2_1_1, 5 ] // CHECK-NEXT: [ 14, callee_1_2_2, 4 ] // CHECK-NEXT: [ 14, callee_1_2_1, 3 ] // CHECK-NEXT: [ 14, callee_1_1_2, 2 ] // CHECK-NEXT: [ 14, callee_1_1_1, 1 ] // CHECK-NEXT: [ 15, callee_2_2_1, 7 ] // CHECK-NEXT: [ 15, callee_2_1_2, 6 ] // CHECK-NEXT: [ 15, callee_2_1_1, 5 ] // CHECK-NEXT: [ 15, callee_1_2_2, 4 ] // CHECK-NEXT: [ 15, callee_1_2_1, 3 ] // CHECK-NEXT: [ 15, callee_1_1_2, 2 ] // CHECK-NEXT: [ 15, callee_1_1_1, 1 ] // CHECK-NEXT: [ 17, callee_1_1_1, 1 ] // CHECK-NEXT: [ 18, callee_1_1_2, 2 ] // CHECK-NEXT: [ 18, callee_1_1_1, 1 ] // CHECK-NEXT: [ 19, callee_1_2_1, 3 ] // CHECK-NEXT: [ 19, callee_1_1_2, 2 ] // CHECK-NEXT: [ 19, callee_1_1_1, 1 ] // CHECK-NEXT: [ 20, callee_1_2_2, 4 ] // CHECK-NEXT: [ 20, callee_1_2_1, 3 ] // CHECK-NEXT: [ 20, callee_1_1_2, 2 ] // CHECK-NEXT: [ 20, callee_1_1_1, 1 ] // CHECK-NEXT: [ 21, callee_2_1_1, 5 ] // CHECK-NEXT: [ 21, callee_1_2_2, 4 ] // CHECK-NEXT: [ 21, callee_1_2_1, 3 ] // CHECK-NEXT: [ 21, callee_1_1_2, 2 ] // CHECK-NEXT: [ 21, callee_1_1_1, 1 ] // CHECK-NEXT: [ 22, callee_2_1_2, 6 ] // CHECK-NEXT: [ 22, callee_2_1_1, 5 ] // CHECK-NEXT: [ 22, callee_1_2_2, 4 ] // CHECK-NEXT: [ 22, callee_1_2_1, 3 ] // CHECK-NEXT: [ 22, callee_1_1_2, 2 ] // CHECK-NEXT: [ 22, callee_1_1_1, 1 ]