1 // RUN: %clang_profgen -O2 -o %t %s 2 // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t 1 3 // RUN: env LLVM_PROFILE_FILE=%t-2.profraw %run %t 4 // RUN: llvm-profdata merge -o %t.profdata %t.profraw 5 // RUN: llvm-profdata merge -o %t-2.profdata %t-2.profraw 6 // RUN: llvm-profdata merge -o %t-merged.profdata %t.profraw %t-2.profdata 7 // RUN: llvm-profdata show --all-functions -ic-targets %t-2.profdata | FileCheck %s -check-prefix=NO-VALUE 8 // RUN: llvm-profdata show --all-functions -ic-targets %t.profdata | FileCheck %s 9 // value profile merging current do sorting based on target values -- this will destroy the order of the target 10 // in the list leading to comparison problem. For now just check a small subset of output. 11 // RUN: llvm-profdata show --all-functions -ic-targets %t-merged.profdata | FileCheck %s -check-prefix=MERGE 12 13 #include <stdint.h> 14 #include <stdio.h> 15 #include <stdlib.h> 16 typedef struct __llvm_profile_data __llvm_profile_data; 17 const __llvm_profile_data *__llvm_profile_begin_data(void); 18 const __llvm_profile_data *__llvm_profile_end_data(void); 19 void __llvm_profile_set_num_value_sites(__llvm_profile_data *Data, 20 uint32_t ValueKind, 21 uint16_t NumValueSites); 22 __llvm_profile_data * 23 __llvm_profile_iterate_data(const __llvm_profile_data *Data); 24 void *__llvm_get_function_addr(const __llvm_profile_data *Data); 25 void __llvm_profile_instrument_target(uint64_t TargetValue, void *Data, 26 uint32_t CounterIndex); 27 28 #define DEF_FUNC(x) \ 29 void x() {} 30 #define DEF_2_FUNCS(x) DEF_FUNC(x##_1) DEF_FUNC(x##_2) 31 #define DEF_4_FUNCS(x) DEF_2_FUNCS(x##_1) DEF_2_FUNCS(x##_2) 32 #define DEF_8_FUNCS(x) DEF_4_FUNCS(x##_1) DEF_4_FUNCS(x##_2) 33 #define DEF_16_FUNCS(x) DEF_8_FUNCS(x##_1) DEF_8_FUNCS(x##_2) 34 #define DEF_32_FUNCS(x) DEF_16_FUNCS(x##_1) DEF_16_FUNCS(x##_2) 35 #define DEF_64_FUNCS(x) DEF_32_FUNCS(x##_1) DEF_32_FUNCS(x##_2) 36 #define DEF_128_FUNCS(x) DEF_64_FUNCS(x##_1) DEF_64_FUNCS(x##_2) 37 38 #define FUNC_ADDR(x) &x, 39 #define FUNC_2_ADDRS(x) FUNC_ADDR(x##_1) FUNC_ADDR(x##_2) 40 #define FUNC_4_ADDRS(x) FUNC_2_ADDRS(x##_1) FUNC_2_ADDRS(x##_2) 41 #define FUNC_8_ADDRS(x) FUNC_4_ADDRS(x##_1) FUNC_4_ADDRS(x##_2) 42 #define FUNC_16_ADDRS(x) FUNC_8_ADDRS(x##_1) FUNC_8_ADDRS(x##_2) 43 #define FUNC_32_ADDRS(x) FUNC_16_ADDRS(x##_1) FUNC_16_ADDRS(x##_2) 44 #define FUNC_64_ADDRS(x) FUNC_32_ADDRS(x##_1) FUNC_32_ADDRS(x##_2) 45 #define FUNC_128_ADDRS(x) FUNC_64_ADDRS(x##_1) FUNC_64_ADDRS(x##_2) 46 47 DEF_8_FUNCS(callee) 48 DEF_128_FUNCS(caller) 49 50 void *CallerAddrs[] = {FUNC_128_ADDRS(caller)}; 51 52 void *CalleeAddrs[] = {FUNC_8_ADDRS(callee)}; 53 54 int cmpaddr(const void *p1, const void *p2) { 55 void *addr1 = *(void **)p1; 56 void *addr2 = *(void **)p2; 57 return (intptr_t)addr2 - (intptr_t)addr1; 58 } 59 60 int main(int argc, const char *argv[]) { 61 unsigned S, NS = 0, V, doInstrument = 1; 62 const __llvm_profile_data *Data, *DataEnd; 63 64 if (argc < 2) 65 doInstrument = 0; 66 67 qsort(CallerAddrs, sizeof(CallerAddrs) / sizeof(void *), sizeof(void *), 68 cmpaddr); 69 70 /* We will synthesis value profile data for 128 callers functions. 71 * The number of * value sites. The number values for each value site 72 * ranges from 0 to 8. */ 73 74 Data = __llvm_profile_begin_data(); 75 DataEnd = __llvm_profile_end_data(); 76 77 for (; Data < DataEnd; Data = __llvm_profile_iterate_data(Data)) { 78 void *func = __llvm_get_function_addr(Data); 79 if (bsearch(&func, CallerAddrs, sizeof(CallerAddrs) / sizeof(void *), 80 sizeof(void *), cmpaddr)) { 81 __llvm_profile_set_num_value_sites((__llvm_profile_data *)Data, 82 0 /*IPVK_IndirectCallTarget */, NS); 83 if (!doInstrument) { 84 NS++; 85 continue; 86 } 87 for (S = 0; S < NS; S++) { 88 for (V = 0; V < S % 8; V++) { 89 unsigned C; 90 for (C = 0; C < V + 1; C++) 91 __llvm_profile_instrument_target((uint64_t)CalleeAddrs[V], 92 (void *)Data, S); 93 } 94 } 95 NS++; 96 } 97 } 98 } 99 100 // NO-VALUE: Indirect Call Site Count: 127 101 // NO-VALUE-NEXT: Indirect Target Results: 102 // MERGE: Indirect Call Site Count: 127 103 // MERGE-NEXT: Indirect Target Results: 104 // MERGE-NEXT: [ 1, callee_1_1_1, 1 ] 105 // CHECK: Indirect Call Site Count: 127 106 // CHECK-NEXT: Indirect Target Results: 107 // CHECK-NEXT: [ 1, callee_1_1_1, 1 ] 108 // CHECK-NEXT: [ 2, callee_1_1_1, 1 ] 109 // CHECK-NEXT: [ 2, callee_1_1_2, 2 ] 110 // CHECK-NEXT: [ 3, callee_1_1_1, 1 ] 111 // CHECK-NEXT: [ 3, callee_1_1_2, 2 ] 112 // CHECK-NEXT: [ 3, callee_1_2_1, 3 ] 113 // CHECK-NEXT: [ 4, callee_1_1_1, 1 ] 114 // CHECK-NEXT: [ 4, callee_1_1_2, 2 ] 115 // CHECK-NEXT: [ 4, callee_1_2_1, 3 ] 116 // CHECK-NEXT: [ 4, callee_1_2_2, 4 ] 117 // CHECK-NEXT: [ 5, callee_1_1_1, 1 ] 118 // CHECK-NEXT: [ 5, callee_1_1_2, 2 ] 119 // CHECK-NEXT: [ 5, callee_1_2_1, 3 ] 120 // CHECK-NEXT: [ 5, callee_1_2_2, 4 ] 121 // CHECK-NEXT: [ 5, callee_2_1_1, 5 ] 122 // CHECK-NEXT: [ 6, callee_1_1_1, 1 ] 123 // CHECK-NEXT: [ 6, callee_1_1_2, 2 ] 124 // CHECK-NEXT: [ 6, callee_1_2_1, 3 ] 125 // CHECK-NEXT: [ 6, callee_1_2_2, 4 ] 126 // CHECK-NEXT: [ 6, callee_2_1_1, 5 ] 127 // CHECK-NEXT: [ 6, callee_2_1_2, 6 ] 128 // CHECK-NEXT: [ 7, callee_1_1_1, 1 ] 129 // CHECK-NEXT: [ 7, callee_1_1_2, 2 ] 130 // CHECK-NEXT: [ 7, callee_1_2_1, 3 ] 131 // CHECK-NEXT: [ 7, callee_1_2_2, 4 ] 132 // CHECK-NEXT: [ 7, callee_2_1_1, 5 ] 133 // CHECK-NEXT: [ 7, callee_2_1_2, 6 ] 134 // CHECK-NEXT: [ 7, callee_2_2_1, 7 ] 135 // CHECK-NEXT: [ 9, callee_1_1_1, 1 ] 136 // CHECK-NEXT: [ 10, callee_1_1_1, 1 ] 137 // CHECK-NEXT: [ 10, callee_1_1_2, 2 ] 138 // CHECK-NEXT: [ 11, callee_1_1_1, 1 ] 139 // CHECK-NEXT: [ 11, callee_1_1_2, 2 ] 140 // CHECK-NEXT: [ 11, callee_1_2_1, 3 ] 141 // CHECK-NEXT: [ 12, callee_1_1_1, 1 ] 142 // CHECK-NEXT: [ 12, callee_1_1_2, 2 ] 143 // CHECK-NEXT: [ 12, callee_1_2_1, 3 ] 144 // CHECK-NEXT: [ 12, callee_1_2_2, 4 ] 145 // CHECK-NEXT: [ 13, callee_1_1_1, 1 ] 146 // CHECK-NEXT: [ 13, callee_1_1_2, 2 ] 147 // CHECK-NEXT: [ 13, callee_1_2_1, 3 ] 148 // CHECK-NEXT: [ 13, callee_1_2_2, 4 ] 149 // CHECK-NEXT: [ 13, callee_2_1_1, 5 ] 150 // CHECK-NEXT: [ 14, callee_1_1_1, 1 ] 151 // CHECK-NEXT: [ 14, callee_1_1_2, 2 ] 152 // CHECK-NEXT: [ 14, callee_1_2_1, 3 ] 153 // CHECK-NEXT: [ 14, callee_1_2_2, 4 ] 154 // CHECK-NEXT: [ 14, callee_2_1_1, 5 ] 155 // CHECK-NEXT: [ 14, callee_2_1_2, 6 ] 156 // CHECK-NEXT: [ 15, callee_1_1_1, 1 ] 157 // CHECK-NEXT: [ 15, callee_1_1_2, 2 ] 158 // CHECK-NEXT: [ 15, callee_1_2_1, 3 ] 159 // CHECK-NEXT: [ 15, callee_1_2_2, 4 ] 160 // CHECK-NEXT: [ 15, callee_2_1_1, 5 ] 161 // CHECK-NEXT: [ 15, callee_2_1_2, 6 ] 162 // CHECK-NEXT: [ 15, callee_2_2_1, 7 ] 163 // CHECK-NEXT: [ 17, callee_1_1_1, 1 ] 164 // CHECK-NEXT: [ 18, callee_1_1_1, 1 ] 165 // CHECK-NEXT: [ 18, callee_1_1_2, 2 ] 166 // CHECK-NEXT: [ 19, callee_1_1_1, 1 ] 167 // CHECK-NEXT: [ 19, callee_1_1_2, 2 ] 168 // CHECK-NEXT: [ 19, callee_1_2_1, 3 ] 169 // CHECK-NEXT: [ 20, callee_1_1_1, 1 ] 170 // CHECK-NEXT: [ 20, callee_1_1_2, 2 ] 171 // CHECK-NEXT: [ 20, callee_1_2_1, 3 ] 172 // CHECK-NEXT: [ 20, callee_1_2_2, 4 ] 173 // CHECK-NEXT: [ 21, callee_1_1_1, 1 ] 174 // CHECK-NEXT: [ 21, callee_1_1_2, 2 ] 175 // CHECK-NEXT: [ 21, callee_1_2_1, 3 ] 176 // CHECK-NEXT: [ 21, callee_1_2_2, 4 ] 177 // CHECK-NEXT: [ 21, callee_2_1_1, 5 ] 178 // CHECK-NEXT: [ 22, callee_1_1_1, 1 ] 179 // CHECK-NEXT: [ 22, callee_1_1_2, 2 ] 180 // CHECK-NEXT: [ 22, callee_1_2_1, 3 ] 181 // CHECK-NEXT: [ 22, callee_1_2_2, 4 ] 182 // CHECK-NEXT: [ 22, callee_2_1_1, 5 ] 183 184
