Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 1 | // RUN: %clang_profgen -O2 -o %t %s |
| 2 | // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t |
| 3 | // RUN: llvm-profdata merge -o %t.profdata %t.profraw |
| 4 | // RUN: llvm-profdata show --all-functions -ic-targets %t.profdata | FileCheck %s |
| 5 | |
| 6 | #include <stdint.h> |
| 7 | #include <stdio.h> |
| 8 | #include <stdlib.h> |
| 9 | typedef struct __llvm_profile_data __llvm_profile_data; |
| 10 | const __llvm_profile_data *__llvm_profile_begin_data(void); |
| 11 | const __llvm_profile_data *__llvm_profile_end_data(void); |
| 12 | void __llvm_profile_set_num_value_sites(__llvm_profile_data *Data, |
| 13 | uint32_t ValueKind, |
| 14 | uint16_t NumValueSites); |
| 15 | __llvm_profile_data * |
| 16 | __llvm_profile_iterate_data(const __llvm_profile_data *Data); |
| 17 | void *__llvm_get_function_addr(const __llvm_profile_data *Data); |
| 18 | void __llvm_profile_instrument_target(uint64_t TargetValue, void *Data, |
| 19 | uint32_t CounterIndex); |
| 20 | void callee1() {} |
| 21 | void callee2() {} |
| 22 | |
| 23 | void caller_without_value_site1() {} |
| 24 | void caller_with_value_site_never_called1() {} |
| 25 | void caller_with_vp1() {} |
| 26 | void caller_with_value_site_never_called2() {} |
| 27 | void caller_without_value_site2() {} |
| 28 | void caller_with_vp2() {} |
| 29 | |
| 30 | int main(int argc, const char *argv[]) { |
| 31 | unsigned S, NS = 10, V; |
| 32 | const __llvm_profile_data *Data, *DataEnd; |
| 33 | |
| 34 | Data = __llvm_profile_begin_data(); |
| 35 | DataEnd = __llvm_profile_end_data(); |
| 36 | for (; Data < DataEnd; Data = __llvm_profile_iterate_data(Data)) { |
| 37 | void *func = __llvm_get_function_addr(Data); |
| 38 | if (func == caller_without_value_site1 || |
| 39 | func == caller_without_value_site2 || |
| 40 | func == callee1 || func == callee2 || func == main) |
| 41 | continue; |
| 42 | |
| 43 | __llvm_profile_set_num_value_sites((__llvm_profile_data *)Data, |
| 44 | 0 /*IPVK_IndirectCallTarget */, 10); |
| 45 | |
| 46 | if (func == caller_with_value_site_never_called1 || |
| 47 | func == caller_with_value_site_never_called2) |
| 48 | continue; |
| 49 | for (S = 0; S < NS; S++) { |
| 50 | unsigned C; |
| 51 | for (C = 0; C < S + 1; C++) { |
| 52 | __llvm_profile_instrument_target((uint64_t)&callee1, (void *)Data, S); |
| 53 | if (C % 2 == 0) |
| 54 | __llvm_profile_instrument_target((uint64_t)&callee2, (void *)Data, S); |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | // CHECK: caller_with_value_site_never_called2: |
| 61 | // CHECK-NEXT: Hash: 0x0000000000000000 |
| 62 | // CHECK-NEXT: Counters: |
| 63 | // CHECK-NEXT: Function count |
| 64 | // CHECK-NEXT: Indirect Call Site Count: 10 |
| 65 | // CHECK-NEXT: Indirect Target Results: |
| 66 | // CHECK: caller_with_vp2: |
| 67 | // CHECK-NEXT: Hash: 0x0000000000000000 |
| 68 | // CHECK-NEXT: Counters: |
| 69 | // CHECK-NEXT: Function count: |
| 70 | // CHECK-NEXT: Indirect Call Site Count: 10 |
| 71 | // CHECK-NEXT: Indirect Target Results: |
| 72 | // CHECK-NEXT: [ 0, callee1, 1 ] |
| 73 | // CHECK-NEXT: [ 0, callee2, 1 ] |
| 74 | // CHECK-NEXT: [ 1, callee1, 2 ] |
| 75 | // CHECK-NEXT: [ 1, callee2, 1 ] |
| 76 | // CHECK-NEXT: [ 2, callee1, 3 ] |
| 77 | // CHECK-NEXT: [ 2, callee2, 2 ] |
| 78 | // CHECK-NEXT: [ 3, callee1, 4 ] |
| 79 | // CHECK-NEXT: [ 3, callee2, 2 ] |
| 80 | // CHECK-NEXT: [ 4, callee1, 5 ] |
| 81 | // CHECK-NEXT: [ 4, callee2, 3 ] |
| 82 | // CHECK-NEXT: [ 5, callee1, 6 ] |
| 83 | // CHECK-NEXT: [ 5, callee2, 3 ] |
| 84 | // CHECK-NEXT: [ 6, callee1, 7 ] |
| 85 | // CHECK-NEXT: [ 6, callee2, 4 ] |
| 86 | // CHECK-NEXT: [ 7, callee1, 8 ] |
| 87 | // CHECK-NEXT: [ 7, callee2, 4 ] |
| 88 | // CHECK-NEXT: [ 8, callee1, 9 ] |
| 89 | // CHECK-NEXT: [ 8, callee2, 5 ] |
| 90 | // CHECK-NEXT: [ 9, callee1, 10 ] |
| 91 | // CHECK-NEXT: [ 9, callee2, 5 ] |
| 92 | // CHECK: caller_with_vp1: |
| 93 | // CHECK-NEXT: Hash: 0x0000000000000000 |
| 94 | // CHECK-NEXT: Counters: |
| 95 | // CHECK-NEXT: Function count |
| 96 | // CHECK-NEXT: Indirect Call Site Count: 10 |
| 97 | // CHECK-NEXT: Indirect Target Results: |
| 98 | // CHECK-NEXT: [ 0, callee1, 1 ] |
| 99 | // CHECK-NEXT: [ 0, callee2, 1 ] |
| 100 | // CHECK-NEXT: [ 1, callee1, 2 ] |
| 101 | // CHECK-NEXT: [ 1, callee2, 1 ] |
| 102 | // CHECK-NEXT: [ 2, callee1, 3 ] |
| 103 | // CHECK-NEXT: [ 2, callee2, 2 ] |
| 104 | // CHECK-NEXT: [ 3, callee1, 4 ] |
| 105 | // CHECK-NEXT: [ 3, callee2, 2 ] |
| 106 | // CHECK-NEXT: [ 4, callee1, 5 ] |
| 107 | // CHECK-NEXT: [ 4, callee2, 3 ] |
| 108 | // CHECK-NEXT: [ 5, callee1, 6 ] |
| 109 | // CHECK-NEXT: [ 5, callee2, 3 ] |
| 110 | // CHECK-NEXT: [ 6, callee1, 7 ] |
| 111 | // CHECK-NEXT: [ 6, callee2, 4 ] |
| 112 | // CHECK-NEXT: [ 7, callee1, 8 ] |
| 113 | // CHECK-NEXT: [ 7, callee2, 4 ] |
| 114 | // CHECK-NEXT: [ 8, callee1, 9 ] |
| 115 | // CHECK-NEXT: [ 8, callee2, 5 ] |
| 116 | // CHECK-NEXT: [ 9, callee1, 10 ] |
| 117 | // CHECK-NEXT: [ 9, callee2, 5 ] |
| 118 | // CHECK: caller_with_value_site_never_called1: |
| 119 | // CHECK-NEXT: Hash: 0x0000000000000000 |
| 120 | // CHECK-NEXT: Counters: |
| 121 | // CHECK-NEXT: Function count: |
| 122 | // CHECK-NEXT: Indirect Call Site Count: 10 |
| 123 | // CHECK-NEXT: Indirect Target Results: |
| 124 | // CHECK: caller_without_value_site2: |
| 125 | // CHECK-NEXT: Hash: 0x0000000000000000 |
| 126 | // CHECK-NEXT: Counters: |
| 127 | // CHECK-NEXT: Function count: |
| 128 | // CHECK-NEXT: Indirect Call Site Count: 0 |
| 129 | // CHECK-NEXT: Indirect Target Results: |
| 130 | // CHECK: caller_without_value_site1: |
| 131 | // CHECK-NEXT: Hash: 0x0000000000000000 |
| 132 | // CHECK-NEXT: Counters: |
| 133 | // CHECK-NEXT: Function count: |
| 134 | // CHECK-NEXT: Indirect Call Site Count: 0 |
| 135 | // CHECK-NEXT: Indirect Target Results: |