// RUN: %clang_cc1 -fno-builtin -O1 -S -o - %s | FileCheck %s | |
// RUN: %clang_cc1 -fno-builtin-memset -O1 -S -o - %s | FileCheck -check-prefix=MEMSET %s | |
void PR13497() { | |
char content[2]; | |
// make sure we don't optimize this call to strcpy() | |
// CHECK: __strcpy_chk | |
__builtin___strcpy_chk(content, "", 1); | |
} | |
void PR4941(char *s) { | |
// Make sure we don't optimize this loop to a memset(). | |
// MEMSET-LABEL: PR4941: | |
// MEMSET-NOT: memset | |
for (unsigned i = 0; i < 8192; ++i) | |
s[i] = 0; | |
} |