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 // RUN: llvm-profdata show --all-functions -ic-targets %t-merged.profdata | FileCheck %s
10 //
11 // RUN: env LLVM_PROFILE_FILE=%t-3.profraw LLVM_VP_BUFFER_SIZE=1 %run %t 1
12 // RUN: env LLVM_PROFILE_FILE=%t-4.profraw LLVM_VP_BUFFER_SIZE=8 %run %t 1
13 // RUN: env LLVM_PROFILE_FILE=%t-5.profraw LLVM_VP_BUFFER_SIZE=128 %run %t 1
14 // RUN: env LLVM_PROFILE_FILE=%t-6.profraw LLVM_VP_BUFFER_SIZE=1024 %run %t 1
15 // RUN: env LLVM_PROFILE_FILE=%t-7.profraw LLVM_VP_BUFFER_SIZE=102400 %run %t 1
16 // RUN: llvm-profdata merge -o %t-3.profdata %t-3.profraw
17 // RUN: llvm-profdata merge -o %t-4.profdata %t-4.profraw
18 // RUN: llvm-profdata merge -o %t-5.profdata %t-5.profraw
19 // RUN: llvm-profdata merge -o %t-6.profdata %t-6.profraw
20 // RUN: llvm-profdata merge -o %t-7.profdata %t-7.profraw
21 // RUN: llvm-profdata show --all-functions -ic-targets %t-3.profdata | FileCheck %s
22 // RUN: llvm-profdata show --all-functions -ic-targets %t-4.profdata | FileCheck %s
23 // RUN: llvm-profdata show --all-functions -ic-targets %t-5.profdata | FileCheck %s
24 // RUN: llvm-profdata show --all-functions -ic-targets %t-6.profdata | FileCheck %s
25 // RUN: llvm-profdata show --all-functions -ic-targets %t-7.profdata | FileCheck %s
26
27 #include <stdint.h>
28 #include <stdio.h>
29 #include <stdlib.h>
30 typedef struct __llvm_profile_data __llvm_profile_data;
31 const __llvm_profile_data *__llvm_profile_begin_data(void);
32 const __llvm_profile_data *__llvm_profile_end_data(void);
33 void __llvm_profile_set_num_value_sites(__llvm_profile_data *Data,
34 uint32_t ValueKind,
35 uint16_t NumValueSites);
36 __llvm_profile_data *
37 __llvm_profile_iterate_data(const __llvm_profile_data *Data);
38 void *__llvm_get_function_addr(const __llvm_profile_data *Data);
39 void __llvm_profile_instrument_target(uint64_t TargetValue, void *Data,
40 uint32_t CounterIndex);
41
42 #define DEF_FUNC(x) \
43 void x() {}
44 #define DEF_2_FUNCS(x) DEF_FUNC(x##_1) DEF_FUNC(x##_2)
45 #define DEF_4_FUNCS(x) DEF_2_FUNCS(x##_1) DEF_2_FUNCS(x##_2)
46 #define DEF_8_FUNCS(x) DEF_4_FUNCS(x##_1) DEF_4_FUNCS(x##_2)
47 #define DEF_16_FUNCS(x) DEF_8_FUNCS(x##_1) DEF_8_FUNCS(x##_2)
48 #define DEF_32_FUNCS(x) DEF_16_FUNCS(x##_1) DEF_16_FUNCS(x##_2)
49 #define DEF_64_FUNCS(x) DEF_32_FUNCS(x##_1) DEF_32_FUNCS(x##_2)
50 #define DEF_128_FUNCS(x) DEF_64_FUNCS(x##_1) DEF_64_FUNCS(x##_2)
51
52 #define FUNC_ADDR(x) &x,
53 #define FUNC_2_ADDRS(x) FUNC_ADDR(x##_1) FUNC_ADDR(x##_2)
54 #define FUNC_4_ADDRS(x) FUNC_2_ADDRS(x##_1) FUNC_2_ADDRS(x##_2)
55 #define FUNC_8_ADDRS(x) FUNC_4_ADDRS(x##_1) FUNC_4_ADDRS(x##_2)
56 #define FUNC_16_ADDRS(x) FUNC_8_ADDRS(x##_1) FUNC_8_ADDRS(x##_2)
57 #define FUNC_32_ADDRS(x) FUNC_16_ADDRS(x##_1) FUNC_16_ADDRS(x##_2)
58 #define FUNC_64_ADDRS(x) FUNC_32_ADDRS(x##_1) FUNC_32_ADDRS(x##_2)
59 #define FUNC_128_ADDRS(x) FUNC_64_ADDRS(x##_1) FUNC_64_ADDRS(x##_2)
60
61 DEF_8_FUNCS(callee)
62 DEF_128_FUNCS(caller)
63
64 void *CallerAddrs[] = {FUNC_128_ADDRS(caller)};
65 void *CalleeAddrs[] = {FUNC_8_ADDRS(callee)};
66 typedef struct CallerInfo {
67 void *CallerAddr;
68 uint32_t NS; /* Number value sites. */
69 } CallerInfo;
70
71 CallerInfo CallerInfos[128];
72
cmpaddr(const void * p1,const void * p2)73 int cmpaddr(const void *p1, const void *p2) {
74 CallerInfo *addr1 = (CallerInfo *)p1;
75 CallerInfo *addr2 = (CallerInfo *)p2;
76 return (intptr_t)addr2->CallerAddr - (intptr_t)addr1->CallerAddr;
77 }
78
main(int argc,const char * argv[])79 int main(int argc, const char *argv[]) {
80 unsigned S, NS = 0, I, V, doInstrument = 1;
81 const __llvm_profile_data *Data, *DataEnd;
82
83 if (argc < 2)
84 doInstrument = 0;
85
86 for (I = 0; I < 128; I++) {
87 CallerInfos[I].CallerAddr = CallerAddrs[I];
88 CallerInfos[I].NS = I;
89 }
90 qsort(CallerInfos, sizeof(CallerInfos) / sizeof(CallerInfo), sizeof(CallerInfo),
91 cmpaddr);
92
93 /* We will synthesis value profile data for 128 callers functions.
94 * The number of * value sites. The number values for each value site
95 * ranges from 0 to 8. */
96
97 Data = __llvm_profile_begin_data();
98 DataEnd = __llvm_profile_end_data();
99
100 for (; Data < DataEnd; Data = __llvm_profile_iterate_data(Data)) {
101 void *func = __llvm_get_function_addr(Data);
102 CallerInfo Key, *Res;
103 Key.CallerAddr = func;
104 Res = (CallerInfo *) bsearch(&Key, CallerInfos, sizeof(CallerInfos) / sizeof(CallerInfo),
105 sizeof(CallerInfo), cmpaddr);
106 if (Res) {
107 NS = Res->NS;
108 __llvm_profile_set_num_value_sites((__llvm_profile_data *)Data,
109 0 /*IPVK_IndirectCallTarget */, NS);
110 if (!doInstrument) {
111 continue;
112 }
113 for (S = 0; S < NS; S++) {
114 for (V = 0; V < S % 8; V++) {
115 unsigned C;
116 for (C = 0; C < V + 1; C++)
117 __llvm_profile_instrument_target((uint64_t)CalleeAddrs[V],
118 (void *)Data, S);
119 }
120 }
121 }
122 }
123 }
124
125 // NO-VALUE: Indirect Call Site Count: 127
126 // NO-VALUE-NEXT: Indirect Target Results:
127 // CHECK-LABEL: caller_1_1_1_1_2_2_1:
128 // CHECK: Indirect Call Site Count: 6
129 // CHECK-NEXT: Indirect Target Results:
130 // CHECK-NEXT: [ 1, callee_1_1_1, 1 ]
131 // CHECK-NEXT: [ 2, callee_1_1_2, 2 ]
132 // CHECK-NEXT: [ 2, callee_1_1_1, 1 ]
133 // CHECK-NEXT: [ 3, callee_1_2_1, 3 ]
134 // CHECK-NEXT: [ 3, callee_1_1_2, 2 ]
135 // CHECK-NEXT: [ 3, callee_1_1_1, 1 ]
136 // CHECK-NEXT: [ 4, callee_1_2_2, 4 ]
137 // CHECK-NEXT: [ 4, callee_1_2_1, 3 ]
138 // CHECK-NEXT: [ 4, callee_1_1_2, 2 ]
139 // CHECK-NEXT: [ 4, callee_1_1_1, 1 ]
140 // CHECK-NEXT: [ 5, callee_2_1_1, 5 ]
141 // CHECK-NEXT: [ 5, callee_1_2_2, 4 ]
142 // CHECK-NEXT: [ 5, callee_1_2_1, 3 ]
143 // CHECK-NEXT: [ 5, callee_1_1_2, 2 ]
144 // CHECK-NEXT: [ 5, callee_1_1_1, 1 ]
145 // CHECK-LABEL: caller_2_2_2_2_2_2_2:
146 // CHECK: Indirect Call Site Count: 127
147 // CHECK-NEXT: Indirect Target Results:
148 // CHECK-NEXT: [ 1, callee_1_1_1, 1 ]
149 // CHECK-NEXT: [ 2, callee_1_1_2, 2 ]
150 // CHECK-NEXT: [ 2, callee_1_1_1, 1 ]
151 // CHECK-NEXT: [ 3, callee_1_2_1, 3 ]
152 // CHECK-NEXT: [ 3, callee_1_1_2, 2 ]
153 // CHECK-NEXT: [ 3, callee_1_1_1, 1 ]
154 // CHECK-NEXT: [ 4, callee_1_2_2, 4 ]
155 // CHECK-NEXT: [ 4, callee_1_2_1, 3 ]
156 // CHECK-NEXT: [ 4, callee_1_1_2, 2 ]
157 // CHECK-NEXT: [ 4, callee_1_1_1, 1 ]
158 // CHECK-NEXT: [ 5, callee_2_1_1, 5 ]
159 // CHECK-NEXT: [ 5, callee_1_2_2, 4 ]
160 // CHECK-NEXT: [ 5, callee_1_2_1, 3 ]
161 // CHECK-NEXT: [ 5, callee_1_1_2, 2 ]
162 // CHECK-NEXT: [ 5, callee_1_1_1, 1 ]
163 // CHECK-NEXT: [ 6, callee_2_1_2, 6 ]
164 // CHECK-NEXT: [ 6, callee_2_1_1, 5 ]
165 // CHECK-NEXT: [ 6, callee_1_2_2, 4 ]
166 // CHECK-NEXT: [ 6, callee_1_2_1, 3 ]
167 // CHECK-NEXT: [ 6, callee_1_1_2, 2 ]
168 // CHECK-NEXT: [ 6, callee_1_1_1, 1 ]
169 // CHECK-NEXT: [ 7, callee_2_2_1, 7 ]
170 // CHECK-NEXT: [ 7, callee_2_1_2, 6 ]
171 // CHECK-NEXT: [ 7, callee_2_1_1, 5 ]
172 // CHECK-NEXT: [ 7, callee_1_2_2, 4 ]
173 // CHECK-NEXT: [ 7, callee_1_2_1, 3 ]
174 // CHECK-NEXT: [ 7, callee_1_1_2, 2 ]
175 // CHECK-NEXT: [ 7, callee_1_1_1, 1 ]
176 // CHECK-NEXT: [ 9, callee_1_1_1, 1 ]
177 // CHECK-NEXT: [ 10, callee_1_1_2, 2 ]
178 // CHECK-NEXT: [ 10, callee_1_1_1, 1 ]
179 // CHECK-NEXT: [ 11, callee_1_2_1, 3 ]
180 // CHECK-NEXT: [ 11, callee_1_1_2, 2 ]
181 // CHECK-NEXT: [ 11, callee_1_1_1, 1 ]
182 // CHECK-NEXT: [ 12, callee_1_2_2, 4 ]
183 // CHECK-NEXT: [ 12, callee_1_2_1, 3 ]
184 // CHECK-NEXT: [ 12, callee_1_1_2, 2 ]
185 // CHECK-NEXT: [ 12, callee_1_1_1, 1 ]
186 // CHECK-NEXT: [ 13, callee_2_1_1, 5 ]
187 // CHECK-NEXT: [ 13, callee_1_2_2, 4 ]
188 // CHECK-NEXT: [ 13, callee_1_2_1, 3 ]
189 // CHECK-NEXT: [ 13, callee_1_1_2, 2 ]
190 // CHECK-NEXT: [ 13, callee_1_1_1, 1 ]
191 // CHECK-NEXT: [ 14, callee_2_1_2, 6 ]
192 // CHECK-NEXT: [ 14, callee_2_1_1, 5 ]
193 // CHECK-NEXT: [ 14, callee_1_2_2, 4 ]
194 // CHECK-NEXT: [ 14, callee_1_2_1, 3 ]
195 // CHECK-NEXT: [ 14, callee_1_1_2, 2 ]
196 // CHECK-NEXT: [ 14, callee_1_1_1, 1 ]
197 // CHECK-NEXT: [ 15, callee_2_2_1, 7 ]
198 // CHECK-NEXT: [ 15, callee_2_1_2, 6 ]
199 // CHECK-NEXT: [ 15, callee_2_1_1, 5 ]
200 // CHECK-NEXT: [ 15, callee_1_2_2, 4 ]
201 // CHECK-NEXT: [ 15, callee_1_2_1, 3 ]
202 // CHECK-NEXT: [ 15, callee_1_1_2, 2 ]
203 // CHECK-NEXT: [ 15, callee_1_1_1, 1 ]
204 // CHECK-NEXT: [ 17, callee_1_1_1, 1 ]
205 // CHECK-NEXT: [ 18, callee_1_1_2, 2 ]
206 // CHECK-NEXT: [ 18, callee_1_1_1, 1 ]
207 // CHECK-NEXT: [ 19, callee_1_2_1, 3 ]
208 // CHECK-NEXT: [ 19, callee_1_1_2, 2 ]
209 // CHECK-NEXT: [ 19, callee_1_1_1, 1 ]
210 // CHECK-NEXT: [ 20, callee_1_2_2, 4 ]
211 // CHECK-NEXT: [ 20, callee_1_2_1, 3 ]
212 // CHECK-NEXT: [ 20, callee_1_1_2, 2 ]
213 // CHECK-NEXT: [ 20, callee_1_1_1, 1 ]
214 // CHECK-NEXT: [ 21, callee_2_1_1, 5 ]
215 // CHECK-NEXT: [ 21, callee_1_2_2, 4 ]
216 // CHECK-NEXT: [ 21, callee_1_2_1, 3 ]
217 // CHECK-NEXT: [ 21, callee_1_1_2, 2 ]
218 // CHECK-NEXT: [ 21, callee_1_1_1, 1 ]
219 // CHECK-NEXT: [ 22, callee_2_1_2, 6 ]
220 // CHECK-NEXT: [ 22, callee_2_1_1, 5 ]
221 // CHECK-NEXT: [ 22, callee_1_2_2, 4 ]
222 // CHECK-NEXT: [ 22, callee_1_2_1, 3 ]
223 // CHECK-NEXT: [ 22, callee_1_1_2, 2 ]
224 // CHECK-NEXT: [ 22, callee_1_1_1, 1 ]
225
226