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);
callee1()20 void callee1() {}
callee2()21 void callee2() {}
22
caller_without_value_site1()23 void caller_without_value_site1() {}
caller_with_value_site_never_called1()24 void caller_with_value_site_never_called1() {}
caller_with_vp1()25 void caller_with_vp1() {}
caller_with_value_site_never_called2()26 void caller_with_value_site_never_called2() {}
caller_without_value_site2()27 void caller_without_value_site2() {}
caller_with_vp2()28 void caller_with_vp2() {}
29
main(int argc,const char * argv[])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-LABEL: 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-LABEL: 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-LABEL: 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-LABEL: 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-LABEL: 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-LABEL: 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:
136