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// RUN: %clang_profgen -mllvm -enable-value-profiling -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 <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
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 ]
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