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1// RUN: %clang_profgen -mllvm -enable-value-profiling -mllvm -vp-static-alloc=false -O2 -o %t %s2// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t3// RUN: env LLVM_PROFILE_FILE=%t-2.profraw %run %t DO_NOT_INSTRUMENT4// RUN: llvm-profdata merge -o %t.profdata %t.profraw5// RUN: llvm-profdata merge -o %t-2.profdata %t-2.profraw6// RUN: llvm-profdata merge -o %t-merged.profdata %t.profraw %t-2.profdata7// RUN: llvm-profdata show --all-functions -ic-targets %t-2.profdata | FileCheck %s -check-prefix=NO-VALUE8// RUN: llvm-profdata show --all-functions -ic-targets %t.profdata | FileCheck %s9// RUN: llvm-profdata show --all-functions -ic-targets %t-merged.profdata | FileCheck %s10//11// RUN: env LLVM_PROFILE_FILE=%t-3.profraw LLVM_VP_BUFFER_SIZE=1 %run %t12// RUN: env LLVM_PROFILE_FILE=%t-4.profraw LLVM_VP_BUFFER_SIZE=8 %run %t13// RUN: env LLVM_PROFILE_FILE=%t-5.profraw LLVM_VP_BUFFER_SIZE=128 %run %t14// RUN: env LLVM_PROFILE_FILE=%t-6.profraw LLVM_VP_BUFFER_SIZE=1024 %run %t15// RUN: env LLVM_PROFILE_FILE=%t-7.profraw LLVM_VP_BUFFER_SIZE=102400 %run %t16// RUN: llvm-profdata merge -o %t-3.profdata %t-3.profraw17// RUN: llvm-profdata merge -o %t-4.profdata %t-4.profraw18// RUN: llvm-profdata merge -o %t-5.profdata %t-5.profraw19// RUN: llvm-profdata merge -o %t-6.profdata %t-6.profraw20// RUN: llvm-profdata merge -o %t-7.profdata %t-7.profraw21// RUN: llvm-profdata show --all-functions -ic-targets %t-3.profdata | FileCheck %s22// RUN: llvm-profdata show --all-functions -ic-targets %t-4.profdata | FileCheck %s23// RUN: llvm-profdata show --all-functions -ic-targets %t-5.profdata | FileCheck %s24// RUN: llvm-profdata show --all-functions -ic-targets %t-6.profdata | FileCheck %s25// RUN: llvm-profdata show --all-functions -ic-targets %t-7.profdata | FileCheck %s26 27#include <stdint.h>28#include <stdio.h>29#include <stdlib.h>30#include <string.h>31typedef struct __llvm_profile_data __llvm_profile_data;32const __llvm_profile_data *__llvm_profile_begin_data(void);33const __llvm_profile_data *__llvm_profile_end_data(void);34void __llvm_profile_set_num_value_sites(__llvm_profile_data *Data,35 uint32_t ValueKind,36 uint16_t NumValueSites);37__llvm_profile_data *38__llvm_profile_iterate_data(const __llvm_profile_data *Data);39void *__llvm_get_function_addr(const __llvm_profile_data *Data);40void __llvm_profile_instrument_target(uint64_t TargetValue, void *Data,41 uint32_t CounterIndex);42 43#define DEF_FUNC(x) \44 void x() {}45#define DEF_2_FUNCS(x) DEF_FUNC(x##_1) DEF_FUNC(x##_2)46#define DEF_4_FUNCS(x) DEF_2_FUNCS(x##_1) DEF_2_FUNCS(x##_2)47#define DEF_8_FUNCS(x) DEF_4_FUNCS(x##_1) DEF_4_FUNCS(x##_2)48#define DEF_16_FUNCS(x) DEF_8_FUNCS(x##_1) DEF_8_FUNCS(x##_2)49#define DEF_32_FUNCS(x) DEF_16_FUNCS(x##_1) DEF_16_FUNCS(x##_2)50#define DEF_64_FUNCS(x) DEF_32_FUNCS(x##_1) DEF_32_FUNCS(x##_2)51#define DEF_128_FUNCS(x) DEF_64_FUNCS(x##_1) DEF_64_FUNCS(x##_2)52 53#define FUNC_ADDR(x) &x,54#define FUNC_2_ADDRS(x) FUNC_ADDR(x##_1) FUNC_ADDR(x##_2)55#define FUNC_4_ADDRS(x) FUNC_2_ADDRS(x##_1) FUNC_2_ADDRS(x##_2)56#define FUNC_8_ADDRS(x) FUNC_4_ADDRS(x##_1) FUNC_4_ADDRS(x##_2)57#define FUNC_16_ADDRS(x) FUNC_8_ADDRS(x##_1) FUNC_8_ADDRS(x##_2)58#define FUNC_32_ADDRS(x) FUNC_16_ADDRS(x##_1) FUNC_16_ADDRS(x##_2)59#define FUNC_64_ADDRS(x) FUNC_32_ADDRS(x##_1) FUNC_32_ADDRS(x##_2)60#define FUNC_128_ADDRS(x) FUNC_64_ADDRS(x##_1) FUNC_64_ADDRS(x##_2)61 62DEF_8_FUNCS(callee)63DEF_128_FUNCS(caller)64 65void *CallerAddrs[] = {FUNC_128_ADDRS(caller)};66void *CalleeAddrs[] = {FUNC_8_ADDRS(callee)};67typedef struct CallerInfo {68 void *CallerAddr;69 uint32_t NS; /* Number value sites. */70} CallerInfo;71 72CallerInfo CallerInfos[128];73 74int cmpaddr(const void *p1, const void *p2) {75 CallerInfo *addr1 = (CallerInfo *)p1;76 CallerInfo *addr2 = (CallerInfo *)p2;77 return (intptr_t)addr2->CallerAddr - (intptr_t)addr1->CallerAddr;78}79 80int main(int argc, const char *argv[]) {81 unsigned S, NS = 0, I, V, doInstrument = 1;82 const __llvm_profile_data *Data, *DataEnd;83 84 if (argc >= 2 && !strcmp(argv[1], "DO_NOT_INSTRUMENT"))85 doInstrument = 0;86 87 for (I = 0; I < 128; I++) {88 CallerInfos[I].CallerAddr = CallerAddrs[I];89 CallerInfos[I].NS = I;90 }91 qsort(CallerInfos, sizeof(CallerInfos) / sizeof(CallerInfo), sizeof(CallerInfo),92 cmpaddr);93 94 /* We will synthesis value profile data for 128 callers functions declared.95 * The number of value sites for each caller function is recorded in96 * the NS field of the CallerInfo object. For each value site, the number of97 * callee values is determined by the site index (modulo 8). The frequency98 * of each callee target synthesized is equal to V + 1, in which V is the99 * index of the target value for the callsite. */100 101 Data = __llvm_profile_begin_data();102 DataEnd = __llvm_profile_end_data();103 104 for (; Data < DataEnd; Data = __llvm_profile_iterate_data(Data)) {105 void *func = __llvm_get_function_addr(Data);106 CallerInfo Key, *Res;107 Key.CallerAddr = func;108 Res = (CallerInfo *) bsearch(&Key, CallerInfos, sizeof(CallerInfos) / sizeof(CallerInfo),109 sizeof(CallerInfo), cmpaddr);110 if (Res) {111 NS = Res->NS;112 __llvm_profile_set_num_value_sites((__llvm_profile_data *)Data,113 0 /*IPVK_IndirectCallTarget */, NS);114 if (!doInstrument) {115 continue;116 }117 for (S = 0; S < NS; S++) {118 for (V = 0; V < S % 8; V++) {119 unsigned C;120 for (C = 0; C < V + 1; C++)121 __llvm_profile_instrument_target((uint64_t)CalleeAddrs[V],122 (void *)Data, S);123 }124 }125 }126 }127}128 129// NO-VALUE: Indirect Call Site Count: 127130// NO-VALUE-NEXT: Indirect Target Results:131// CHECK-LABEL: caller_1_1_1_1_2_2_1:132// CHECK: Indirect Call Site Count: 6133// CHECK-NEXT: Indirect Target Results:134// CHECK-NEXT: [ 1, callee_1_1_1, 1 ]135// CHECK-NEXT: [ 2, callee_1_1_2, 2 ]136// CHECK-NEXT: [ 2, callee_1_1_1, 1 ]137// CHECK-NEXT: [ 3, callee_1_2_1, 3 ]138// CHECK-NEXT: [ 3, callee_1_1_2, 2 ]139// CHECK-NEXT: [ 3, callee_1_1_1, 1 ]140// CHECK-NEXT: [ 4, callee_1_2_2, 4 ]141// CHECK-NEXT: [ 4, callee_1_2_1, 3 ]142// CHECK-NEXT: [ 4, callee_1_1_2, 2 ]143// CHECK-NEXT: [ 4, callee_1_1_1, 1 ]144// CHECK-NEXT: [ 5, callee_2_1_1, 5 ]145// CHECK-NEXT: [ 5, callee_1_2_2, 4 ]146// CHECK-NEXT: [ 5, callee_1_2_1, 3 ]147// CHECK-NEXT: [ 5, callee_1_1_2, 2 ]148// CHECK-NEXT: [ 5, callee_1_1_1, 1 ]149// CHECK-LABEL: caller_2_2_2_2_2_2_2:150// CHECK: Indirect Call Site Count: 127151// CHECK-NEXT: Indirect Target Results:152// CHECK-NEXT: [ 1, callee_1_1_1, 1 ]153// CHECK-NEXT: [ 2, callee_1_1_2, 2 ]154// CHECK-NEXT: [ 2, callee_1_1_1, 1 ]155// CHECK-NEXT: [ 3, callee_1_2_1, 3 ]156// CHECK-NEXT: [ 3, callee_1_1_2, 2 ]157// CHECK-NEXT: [ 3, callee_1_1_1, 1 ]158// CHECK-NEXT: [ 4, callee_1_2_2, 4 ]159// CHECK-NEXT: [ 4, callee_1_2_1, 3 ]160// CHECK-NEXT: [ 4, callee_1_1_2, 2 ]161// CHECK-NEXT: [ 4, callee_1_1_1, 1 ]162// CHECK-NEXT: [ 5, callee_2_1_1, 5 ]163// CHECK-NEXT: [ 5, callee_1_2_2, 4 ]164// CHECK-NEXT: [ 5, callee_1_2_1, 3 ]165// CHECK-NEXT: [ 5, callee_1_1_2, 2 ]166// CHECK-NEXT: [ 5, callee_1_1_1, 1 ]167// CHECK-NEXT: [ 6, callee_2_1_2, 6 ]168// CHECK-NEXT: [ 6, callee_2_1_1, 5 ]169// CHECK-NEXT: [ 6, callee_1_2_2, 4 ]170// CHECK-NEXT: [ 6, callee_1_2_1, 3 ]171// CHECK-NEXT: [ 6, callee_1_1_2, 2 ]172// CHECK-NEXT: [ 6, callee_1_1_1, 1 ]173// CHECK-NEXT: [ 7, callee_2_2_1, 7 ]174// CHECK-NEXT: [ 7, callee_2_1_2, 6 ]175// CHECK-NEXT: [ 7, callee_2_1_1, 5 ]176// CHECK-NEXT: [ 7, callee_1_2_2, 4 ]177// CHECK-NEXT: [ 7, callee_1_2_1, 3 ]178// CHECK-NEXT: [ 7, callee_1_1_2, 2 ]179// CHECK-NEXT: [ 7, callee_1_1_1, 1 ]180// CHECK-NEXT: [ 9, callee_1_1_1, 1 ]181// CHECK-NEXT: [ 10, callee_1_1_2, 2 ]182// CHECK-NEXT: [ 10, callee_1_1_1, 1 ]183// CHECK-NEXT: [ 11, callee_1_2_1, 3 ]184// CHECK-NEXT: [ 11, callee_1_1_2, 2 ]185// CHECK-NEXT: [ 11, callee_1_1_1, 1 ]186// CHECK-NEXT: [ 12, callee_1_2_2, 4 ]187// CHECK-NEXT: [ 12, callee_1_2_1, 3 ]188// CHECK-NEXT: [ 12, callee_1_1_2, 2 ]189// CHECK-NEXT: [ 12, callee_1_1_1, 1 ]190// CHECK-NEXT: [ 13, callee_2_1_1, 5 ]191// CHECK-NEXT: [ 13, callee_1_2_2, 4 ]192// CHECK-NEXT: [ 13, callee_1_2_1, 3 ]193// CHECK-NEXT: [ 13, callee_1_1_2, 2 ]194// CHECK-NEXT: [ 13, callee_1_1_1, 1 ]195// CHECK-NEXT: [ 14, callee_2_1_2, 6 ]196// CHECK-NEXT: [ 14, callee_2_1_1, 5 ]197// CHECK-NEXT: [ 14, callee_1_2_2, 4 ]198// CHECK-NEXT: [ 14, callee_1_2_1, 3 ]199// CHECK-NEXT: [ 14, callee_1_1_2, 2 ]200// CHECK-NEXT: [ 14, callee_1_1_1, 1 ]201// CHECK-NEXT: [ 15, callee_2_2_1, 7 ]202// CHECK-NEXT: [ 15, callee_2_1_2, 6 ]203// CHECK-NEXT: [ 15, callee_2_1_1, 5 ]204// CHECK-NEXT: [ 15, callee_1_2_2, 4 ]205// CHECK-NEXT: [ 15, callee_1_2_1, 3 ]206// CHECK-NEXT: [ 15, callee_1_1_2, 2 ]207// CHECK-NEXT: [ 15, callee_1_1_1, 1 ]208// CHECK-NEXT: [ 17, callee_1_1_1, 1 ]209// CHECK-NEXT: [ 18, callee_1_1_2, 2 ]210// CHECK-NEXT: [ 18, callee_1_1_1, 1 ]211// CHECK-NEXT: [ 19, callee_1_2_1, 3 ]212// CHECK-NEXT: [ 19, callee_1_1_2, 2 ]213// CHECK-NEXT: [ 19, callee_1_1_1, 1 ]214// CHECK-NEXT: [ 20, callee_1_2_2, 4 ]215// CHECK-NEXT: [ 20, callee_1_2_1, 3 ]216// CHECK-NEXT: [ 20, callee_1_1_2, 2 ]217// CHECK-NEXT: [ 20, callee_1_1_1, 1 ]218// CHECK-NEXT: [ 21, callee_2_1_1, 5 ]219// CHECK-NEXT: [ 21, callee_1_2_2, 4 ]220// CHECK-NEXT: [ 21, callee_1_2_1, 3 ]221// CHECK-NEXT: [ 21, callee_1_1_2, 2 ]222// CHECK-NEXT: [ 21, callee_1_1_1, 1 ]223// CHECK-NEXT: [ 22, callee_2_1_2, 6 ]224// CHECK-NEXT: [ 22, callee_2_1_1, 5 ]225// CHECK-NEXT: [ 22, callee_1_2_2, 4 ]226// CHECK-NEXT: [ 22, callee_1_2_1, 3 ]227// CHECK-NEXT: [ 22, callee_1_1_2, 2 ]228// CHECK-NEXT: [ 22, callee_1_1_1, 1 ]229 230