1// RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -g %s -o %t
2// RUN: %run %t 2>&1 | \
3// RUN: FileCheck --check-prefixes=CHECK,CHECK-NOSTATS %s
4// RUN: env MSAN_OPTIONS=print_stats=1 %run %t 2>&1 | \
5// RUN: FileCheck --check-prefixes=CHECK,CHECK-NOSTATS %s
6// RUN: env MSAN_OPTIONS=print_stats=1,atexit=1 %run %t 2>&1 | \
7// RUN: FileCheck --check-prefixes=CHECK,CHECK-STATS %s
8
9// RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -g -DPOSITIVE=1 %s -o %t
10// RUN: not %run %t 2>&1 | \
11// RUN: FileCheck --check-prefixes=CHECK,CHECK-NOSTATS %s
12// RUN: env MSAN_OPTIONS=print_stats=1 not %run %t 2>&1 | \
13// RUN: FileCheck --check-prefixes=CHECK,CHECK-STATS %s
14
15// RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -fsanitize-recover=memory -g -DPOSITIVE=1 %s -o %t
16// RUN: not %run %t 2>&1 | \
17// RUN: FileCheck --check-prefixes=CHECK,CHECK-NOSTATS,CHECK-RECOVER %s
18// RUN: env MSAN_OPTIONS=print_stats=1 not %run %t 2>&1 | \
19// RUN: FileCheck --check-prefixes=CHECK,CHECK-STATS,CHECK-RECOVER %s
20
21#include <stdio.h>
22int main(int argc, char **argv) {
23 int x;
24 int *volatile p = &x;
25 fprintf(stderr, format: "TEST\n");
26#ifdef POSITIVE
27 return *p;
28#else
29 return 0;
30#endif
31}
32
33// CHECK: TEST
34
35// CHECK-STATS: Unique heap origins:
36// CHECK-STATS: Stack depot allocated bytes:
37// CHECK-STATS: Unique origin histories:
38// CHECK-STATS: History depot allocated bytes:
39
40// CHECK-NOSTATS-NOT: Unique heap origins:
41// CHECK-NOSTATS-NOT: Stack depot allocated bytes:
42// CHECK-NOSTATS-NOT: Unique origin histories:
43// CHECK-NOSTATS-NOT: History depot allocated bytes:
44
45// CHECK-RECOVER: MemorySanitizer: 1 warnings reported.
46

source code of compiler-rt/test/msan/print_stats.cpp