compiler-rt/test/msan/print_stats.cpp

   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: MSAN_OPTIONS=print_stats=1 %run %t 2>&1 | \
   5 // RUN:   FileCheck --check-prefixes=CHECK,CHECK-NOSTATS %s
   6 // RUN: 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: 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: 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>
  22 int main(int argc, char **argv) {
  23   int x;
  24   int *volatile p = &x;
  25   fprintf(stderr, "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.