test/msan/print_stats.cc

   1 // RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -m64 -g %s -o %t
   2 // RUN: %run %t 2>&1 | \
   3 // RUN:   FileCheck --check-prefix=CHECK --check-prefix=CHECK-NOSTATS %s
   4 // RUN: MSAN_OPTIONS=print_stats=1 %run %t 2>&1 | \
   5 // RUN:   FileCheck --check-prefix=CHECK --check-prefix=CHECK-NOSTATS %s
   6
   7 // RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -m64 -g -DPOSITIVE=1 %s -o %t
   8 // RUN: not %run %t 2>&1 | \
   9 // RUN:   FileCheck --check-prefix=CHECK --check-prefix=CHECK-NOSTATS %s
  10 // RUN: MSAN_OPTIONS=print_stats=1 not %run %t 2>&1 | \
  11 // RUN:   FileCheck --check-prefix=CHECK --check-prefix=CHECK-STATS %s
  12
  13 // RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -m64 -g -DPOSITIVE=1 -mllvm -msan-keep-going=1 %s -o %t
  14 // RUN: not %run %t 2>&1 | \
  15 // RUN:  FileCheck --check-prefix=CHECK --check-prefix=CHECK-NOSTATS --check-prefix=CHECK-KEEPGOING %s
  16 // RUN: MSAN_OPTIONS=print_stats=1 not %run %t 2>&1 | \
  17 // RUN:   FileCheck --check-prefix=CHECK --check-prefix=CHECK-STATS --check-prefix=CHECK-KEEPGOING %s
  18
  19 #include <stdio.h>
  20 int main(int argc, char **argv) {
  21   int x;
  22   int *volatile p = &x;
  23   fprintf(stderr, "TEST\n");
  24 #ifdef POSITIVE
  25   return *p;
  26 #else
  27   return 0;
  28 #endif
  29 }
  30
  31 // CHECK: TEST
  32
  33 // CHECK-KEEPGOING: MemorySanitizer: 1 warnings reported.
  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: