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
PR13497()4 void 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
PR4941(char * s)11 void 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