Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/test/msan/print_stats.cc

@@ -0,0 +1,45 @@
+// RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -g %s -o %t 
+// RUN: %run %t 2>&1 | \
+// RUN:   FileCheck --check-prefixes=CHECK,CHECK-NOSTATS %s
+// RUN: MSAN_OPTIONS=print_stats=1 %run %t 2>&1 | \
+// RUN:   FileCheck --check-prefixes=CHECK,CHECK-NOSTATS %s
+// RUN: MSAN_OPTIONS=print_stats=1,atexit=1 %run %t 2>&1 | \
+// RUN:   FileCheck --check-prefixes=CHECK,CHECK-STATS %s
+
+// RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -g -DPOSITIVE=1 %s -o %t 
+// RUN: not %run %t 2>&1 | \
+// RUN:   FileCheck --check-prefixes=CHECK,CHECK-NOSTATS %s
+// RUN: MSAN_OPTIONS=print_stats=1 not %run %t 2>&1 | \
+// RUN:   FileCheck --check-prefixes=CHECK,CHECK-STATS %s
+
+// RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -fsanitize-recover=memory -g -DPOSITIVE=1 %s -o %t
+// RUN: not %run %t 2>&1 | \
+// RUN:  FileCheck --check-prefixes=CHECK,CHECK-NOSTATS,CHECK-RECOVER %s
+// RUN: MSAN_OPTIONS=print_stats=1 not %run %t 2>&1 | \
+// RUN:   FileCheck --check-prefixes=CHECK,CHECK-STATS,CHECK-RECOVER %s
+
+#include <stdio.h>
+int main(int argc, char **argv) {
+  int x;
+  int *volatile p = &x;
+  fprintf(stderr, "TEST\n");
+#ifdef POSITIVE
+  return *p;
+#else
+  return 0;
+#endif
+}
+
+// CHECK: TEST
+
+// CHECK-STATS: Unique heap origins:
+// CHECK-STATS: Stack depot allocated bytes:
+// CHECK-STATS: Unique origin histories:
+// CHECK-STATS: History depot allocated bytes:
+
+// CHECK-NOSTATS-NOT: Unique heap origins:
+// CHECK-NOSTATS-NOT: Stack depot allocated bytes:
+// CHECK-NOSTATS-NOT: Unique origin histories:
+// CHECK-NOSTATS-NOT: History depot allocated bytes:
+
+// CHECK-RECOVER: MemorySanitizer: 1 warnings reported.