1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
// Check profile with calls to memory intrinsics.
// RUN: %clangxx_memprof -O0 %s -o %t && %env_memprof_opts=print_text=true:log_path=stderr %run %t 2>&1 | FileCheck %s
// This is actually:
// Memory allocation stack id = STACKIDP
// alloc_count 1, size (ave/min/max) 40.00 / 40 / 40
// access_count (ave/min/max): 11.00 / 11 / 11
// but we need to look for them in the same CHECK to get the correct STACKIDP.
// CHECK-DAG: Memory allocation stack id = [[STACKIDP:[0-9]+]]{{[[:space:]].*}} alloc_count 1, size (ave/min/max) 40.00 / 40 / 40{{[[:space:]].*}} access_count (ave/min/max): 11.00 / 11 / 11
//
// This is actually:
// Memory allocation stack id = STACKIDQ
// alloc_count 1, size (ave/min/max) 20.00 / 20 / 20
// access_count (ave/min/max): 6.00 / 6 / 6
// but we need to look for them in the same CHECK to get the correct STACKIDQ.
// CHECK-DAG: Memory allocation stack id = [[STACKIDQ:[0-9]+]]{{[[:space:]].*}} alloc_count 1, size (ave/min/max) 20.00 / 20 / 20{{[[:space:]].*}} access_count (ave/min/max): 6.00 / 6 / 6
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main() {
// This is actually:
// Stack for id STACKIDP:
// #0 {{.*}} in operator new
// #1 {{.*}} in main {{.*}}:@LINE+1
// but we need to look for them in the same CHECK-DAG.
// CHECK-DAG: Stack for id [[STACKIDP]]:{{[[:space:]].*}} #0 {{.*}} in operator new{{.*[[:space:]].*}} #1 {{.*}} in main {{.*}}:[[@LINE+1]]
int *p = new int[10];
// This is actually:
// Stack for id STACKIDQ:
// #0 {{.*}} in operator new
// #1 {{.*}} in main {{.*}}:@LINE+1
// but we need to look for them in the same CHECK-DAG.
// CHECK-DAG: Stack for id [[STACKIDQ]]:{{[[:space:]].*}} #0 {{.*}} in operator new{{.*[[:space:]].*}} #1 {{.*}} in main {{.*}}:[[@LINE+1]]
int *q = new int[5];
memset(p, 1, 10 * sizeof(int));
memcpy(q, p, 5 * sizeof(int));
int x = memcmp(p, q, 5 * sizeof(int));
delete[] p;
delete[] q;
return x;
}
|
