1// RUN: %clang_cc1 -fno-builtin -O1 -S -o - %s | FileCheck %s
2// RUN: %clang_cc1 -fno-builtin-memset -O1 -S -o - %s | FileCheck -check-prefix=MEMSET %s
3
4void PR13497() {
5  char content[2];
6  // make sure we don't optimize this call to strcpy()
7  // CHECK: __strcpy_chk
8  __builtin___strcpy_chk(content, "", 1);
9}
10
11void PR4941(char *s) {
12  // Make sure we don't optimize this loop to a memset().
13  // MEMSET-LABEL: PR4941:
14  // MEMSET-NOT: memset
15  for (unsigned i = 0; i < 8192; ++i)
16    s[i] = 0;
17}
18