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// RUN: %clang_profgen -mllvm -enable-value-profiling -O2 -o %t %s
// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
// RUN: llvm-profdata merge -o %t.profdata %t.profraw
// RUN: llvm-profdata show --all-functions -ic-targets %t.profdata > %t.out
// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-1 < %t.out
// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-2 < %t.out
// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-3 < %t.out
// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-4 < %t.out
// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-5 < %t.out
// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-6 < %t.out
#include <stdint.h>
#include <stdio.h>
#include <stdlib.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);
void callee1() {}
void callee2() {}
void caller_without_value_site1() {}
void caller_with_value_site_never_called1() {}
void caller_with_vp1() {}
void caller_with_value_site_never_called2() {}
void caller_without_value_site2() {}
void caller_with_vp2() {}
void (*callee1Ptr)();
void (*callee2Ptr)();
void __attribute__ ((noinline)) setFunctionPointers () {
callee1Ptr = callee1;
callee2Ptr = callee2;
}
int main(int argc, const char *argv[]) {
unsigned S, NS = 10, V;
const __llvm_profile_data *Data, *DataEnd;
setFunctionPointers();
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);
if (func == caller_without_value_site1 ||
func == caller_without_value_site2 ||
func == callee1 || func == callee2 || func == main)
continue;
__llvm_profile_set_num_value_sites((__llvm_profile_data *)Data,
0 /*IPVK_IndirectCallTarget */, 10);
if (func == caller_with_value_site_never_called1 ||
func == caller_with_value_site_never_called2)
continue;
for (S = 0; S < NS; S++) {
unsigned C;
for (C = 0; C < S + 1; C++) {
__llvm_profile_instrument_target((uint64_t)callee1Ptr, (void *)Data, S);
if (C % 2 == 0)
__llvm_profile_instrument_target((uint64_t)callee2Ptr, (void *)Data, S);
}
}
}
}
// CHECK: Counters:
// CHECK-1-LABEL: caller_with_value_site_never_called2:
// CHECK-1-NEXT: Hash: 0x0000000000000000
// CHECK-1-NEXT: Counters:
// CHECK-1-NEXT: Function count
// CHECK-1-NEXT: Indirect Call Site Count: 10
// CHECK-1-NEXT: Indirect Target Results:
// CHECK-2-LABEL: caller_with_vp2:
// CHECK-2-NEXT: Hash: 0x0000000000000000
// CHECK-2-NEXT: Counters:
// CHECK-2-NEXT: Function count:
// CHECK-2-NEXT: Indirect Call Site Count: 10
// CHECK-2-NEXT: Indirect Target Results:
// CHECK-2-NEXT: [ 0, callee1, 1 ]
// CHECK-2-NEXT: [ 0, callee2, 1 ]
// CHECK-2-NEXT: [ 1, callee1, 2 ]
// CHECK-2-NEXT: [ 1, callee2, 1 ]
// CHECK-2-NEXT: [ 2, callee1, 3 ]
// CHECK-2-NEXT: [ 2, callee2, 2 ]
// CHECK-2-NEXT: [ 3, callee1, 4 ]
// CHECK-2-NEXT: [ 3, callee2, 2 ]
// CHECK-2-NEXT: [ 4, callee1, 5 ]
// CHECK-2-NEXT: [ 4, callee2, 3 ]
// CHECK-2-NEXT: [ 5, callee1, 6 ]
// CHECK-2-NEXT: [ 5, callee2, 3 ]
// CHECK-2-NEXT: [ 6, callee1, 7 ]
// CHECK-2-NEXT: [ 6, callee2, 4 ]
// CHECK-2-NEXT: [ 7, callee1, 8 ]
// CHECK-2-NEXT: [ 7, callee2, 4 ]
// CHECK-2-NEXT: [ 8, callee1, 9 ]
// CHECK-2-NEXT: [ 8, callee2, 5 ]
// CHECK-2-NEXT: [ 9, callee1, 10 ]
// CHECK-2-NEXT: [ 9, callee2, 5 ]
// CHECK-3-LABEL: caller_with_vp1:
// CHECK-3-NEXT: Hash: 0x0000000000000000
// CHECK-3-NEXT: Counters:
// CHECK-3-NEXT: Function count
// CHECK-3-NEXT: Indirect Call Site Count: 10
// CHECK-3-NEXT: Indirect Target Results:
// CHECK-3-NEXT: [ 0, callee1, 1 ]
// CHECK-3-NEXT: [ 0, callee2, 1 ]
// CHECK-3-NEXT: [ 1, callee1, 2 ]
// CHECK-3-NEXT: [ 1, callee2, 1 ]
// CHECK-3-NEXT: [ 2, callee1, 3 ]
// CHECK-3-NEXT: [ 2, callee2, 2 ]
// CHECK-3-NEXT: [ 3, callee1, 4 ]
// CHECK-3-NEXT: [ 3, callee2, 2 ]
// CHECK-3-NEXT: [ 4, callee1, 5 ]
// CHECK-3-NEXT: [ 4, callee2, 3 ]
// CHECK-3-NEXT: [ 5, callee1, 6 ]
// CHECK-3-NEXT: [ 5, callee2, 3 ]
// CHECK-3-NEXT: [ 6, callee1, 7 ]
// CHECK-3-NEXT: [ 6, callee2, 4 ]
// CHECK-3-NEXT: [ 7, callee1, 8 ]
// CHECK-3-NEXT: [ 7, callee2, 4 ]
// CHECK-3-NEXT: [ 8, callee1, 9 ]
// CHECK-3-NEXT: [ 8, callee2, 5 ]
// CHECK-3-NEXT: [ 9, callee1, 10 ]
// CHECK-3-NEXT: [ 9, callee2, 5 ]
// CHECK-4-LABEL: caller_with_value_site_never_called1:
// CHECK-4-NEXT: Hash: 0x0000000000000000
// CHECK-4-NEXT: Counters:
// CHECK-4-NEXT: Function count:
// CHECK-4-NEXT: Indirect Call Site Count: 10
// CHECK-4-NEXT: Indirect Target Results:
// CHECK-5-LABEL: caller_without_value_site2:
// CHECK-5-NEXT: Hash: 0x0000000000000000
// CHECK-5-NEXT: Counters:
// CHECK-5-NEXT: Function count:
// CHECK-5-NEXT: Indirect Call Site Count: 0
// CHECK-5-NEXT: Indirect Target Results:
// CHECK-6-LABEL: caller_without_value_site1:
// CHECK-6-NEXT: Hash: 0x0000000000000000
// CHECK-6-NEXT: Counters:
// CHECK-6-NEXT: Function count:
// CHECK-6-NEXT: Indirect Call Site Count: 0
// CHECK-6-NEXT: Indirect Target Results:
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