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1// RUN: %clang_profgen -mllvm -enable-value-profiling -O2 -o %t %s2// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t3// RUN: llvm-profdata merge -o %t.profdata %t.profraw4// RUN: llvm-profdata show --all-functions -ic-targets %t.profdata > %t.out5// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-1 < %t.out6// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-2 < %t.out7// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-3 < %t.out8// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-4 < %t.out9// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-5 < %t.out10// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-6 < %t.out11 12#include <stdint.h>13#include <stdio.h>14#include <stdlib.h>15typedef struct __llvm_profile_data __llvm_profile_data;16const __llvm_profile_data *__llvm_profile_begin_data(void);17const __llvm_profile_data *__llvm_profile_end_data(void);18void __llvm_profile_set_num_value_sites(__llvm_profile_data *Data,19 uint32_t ValueKind,20 uint16_t NumValueSites);21__llvm_profile_data *22__llvm_profile_iterate_data(const __llvm_profile_data *Data);23void *__llvm_get_function_addr(const __llvm_profile_data *Data);24void __llvm_profile_instrument_target(uint64_t TargetValue, void *Data,25 uint32_t CounterIndex);26void callee1() {}27void callee2() {}28 29void caller_without_value_site1() {}30void caller_with_value_site_never_called1() {}31void caller_with_vp1() {}32void caller_with_value_site_never_called2() {}33void caller_without_value_site2() {}34void caller_with_vp2() {}35 36void (*callee1Ptr)();37void (*callee2Ptr)();38 39void __attribute__ ((noinline)) setFunctionPointers () {40 callee1Ptr = callee1;41 callee2Ptr = callee2;42}43 44int main(int argc, const char *argv[]) {45 unsigned S, NS = 10, V;46 const __llvm_profile_data *Data, *DataEnd;47 48 setFunctionPointers();49 Data = __llvm_profile_begin_data();50 DataEnd = __llvm_profile_end_data();51 for (; Data < DataEnd; Data = __llvm_profile_iterate_data(Data)) {52 void *func = __llvm_get_function_addr(Data);53 if (func == caller_without_value_site1 ||54 func == caller_without_value_site2 ||55 func == callee1 || func == callee2 || func == main)56 continue;57 58 __llvm_profile_set_num_value_sites((__llvm_profile_data *)Data,59 0 /*IPVK_IndirectCallTarget */, 10);60 61 if (func == caller_with_value_site_never_called1 ||62 func == caller_with_value_site_never_called2)63 continue;64 for (S = 0; S < NS; S++) {65 unsigned C;66 for (C = 0; C < S + 1; C++) {67 __llvm_profile_instrument_target((uint64_t)callee1Ptr, (void *)Data, S);68 if (C % 2 == 0)69 __llvm_profile_instrument_target((uint64_t)callee2Ptr, (void *)Data, S);70 }71 }72 }73}74 75// CHECK: Counters:76// CHECK-1-LABEL: caller_with_value_site_never_called2:77// CHECK-1-NEXT: Hash: 0x000000000000000078// CHECK-1-NEXT: Counters:79// CHECK-1-NEXT: Function count80// CHECK-1-NEXT: Indirect Call Site Count: 1081// CHECK-1-NEXT: Indirect Target Results: 82// CHECK-2-LABEL: caller_with_vp2:83// CHECK-2-NEXT: Hash: 0x000000000000000084// CHECK-2-NEXT: Counters:85// CHECK-2-NEXT: Function count:86// CHECK-2-NEXT: Indirect Call Site Count: 1087// CHECK-2-NEXT: Indirect Target Results: 88// CHECK-2-NEXT: [ 0, callee1, 1 ]89// CHECK-2-NEXT: [ 0, callee2, 1 ]90// CHECK-2-NEXT: [ 1, callee1, 2 ]91// CHECK-2-NEXT: [ 1, callee2, 1 ]92// CHECK-2-NEXT: [ 2, callee1, 3 ]93// CHECK-2-NEXT: [ 2, callee2, 2 ]94// CHECK-2-NEXT: [ 3, callee1, 4 ]95// CHECK-2-NEXT: [ 3, callee2, 2 ]96// CHECK-2-NEXT: [ 4, callee1, 5 ]97// CHECK-2-NEXT: [ 4, callee2, 3 ]98// CHECK-2-NEXT: [ 5, callee1, 6 ]99// CHECK-2-NEXT: [ 5, callee2, 3 ]100// CHECK-2-NEXT: [ 6, callee1, 7 ]101// CHECK-2-NEXT: [ 6, callee2, 4 ]102// CHECK-2-NEXT: [ 7, callee1, 8 ]103// CHECK-2-NEXT: [ 7, callee2, 4 ]104// CHECK-2-NEXT: [ 8, callee1, 9 ]105// CHECK-2-NEXT: [ 8, callee2, 5 ]106// CHECK-2-NEXT: [ 9, callee1, 10 ]107// CHECK-2-NEXT: [ 9, callee2, 5 ]108// CHECK-3-LABEL: caller_with_vp1:109// CHECK-3-NEXT: Hash: 0x0000000000000000110// CHECK-3-NEXT: Counters:111// CHECK-3-NEXT: Function count112// CHECK-3-NEXT: Indirect Call Site Count: 10113// CHECK-3-NEXT: Indirect Target Results: 114// CHECK-3-NEXT: [ 0, callee1, 1 ]115// CHECK-3-NEXT: [ 0, callee2, 1 ]116// CHECK-3-NEXT: [ 1, callee1, 2 ]117// CHECK-3-NEXT: [ 1, callee2, 1 ]118// CHECK-3-NEXT: [ 2, callee1, 3 ]119// CHECK-3-NEXT: [ 2, callee2, 2 ]120// CHECK-3-NEXT: [ 3, callee1, 4 ]121// CHECK-3-NEXT: [ 3, callee2, 2 ]122// CHECK-3-NEXT: [ 4, callee1, 5 ]123// CHECK-3-NEXT: [ 4, callee2, 3 ]124// CHECK-3-NEXT: [ 5, callee1, 6 ]125// CHECK-3-NEXT: [ 5, callee2, 3 ]126// CHECK-3-NEXT: [ 6, callee1, 7 ]127// CHECK-3-NEXT: [ 6, callee2, 4 ]128// CHECK-3-NEXT: [ 7, callee1, 8 ]129// CHECK-3-NEXT: [ 7, callee2, 4 ]130// CHECK-3-NEXT: [ 8, callee1, 9 ]131// CHECK-3-NEXT: [ 8, callee2, 5 ]132// CHECK-3-NEXT: [ 9, callee1, 10 ]133// CHECK-3-NEXT: [ 9, callee2, 5 ]134// CHECK-4-LABEL: caller_with_value_site_never_called1:135// CHECK-4-NEXT: Hash: 0x0000000000000000136// CHECK-4-NEXT: Counters:137// CHECK-4-NEXT: Function count:138// CHECK-4-NEXT: Indirect Call Site Count: 10139// CHECK-4-NEXT: Indirect Target Results: 140// CHECK-5-LABEL: caller_without_value_site2:141// CHECK-5-NEXT: Hash: 0x0000000000000000142// CHECK-5-NEXT: Counters:143// CHECK-5-NEXT: Function count:144// CHECK-5-NEXT: Indirect Call Site Count: 0145// CHECK-5-NEXT: Indirect Target Results: 146// CHECK-6-LABEL: caller_without_value_site1:147// CHECK-6-NEXT: Hash: 0x0000000000000000148// CHECK-6-NEXT: Counters:149// CHECK-6-NEXT: Function count:150// CHECK-6-NEXT: Indirect Call Site Count: 0151// CHECK-6-NEXT: Indirect Target Results: 152