builtin-memfns.c revision d7d5f0223bd30dfd618762349c6209dd1d5ea3e6 
1// RUN: clang-cc -arch i386 -emit-llvm -o %t %s &&
2// RUN: grep '@llvm.memset.i32' %t &&
3// RUN: grep '@llvm.memcpy.i32' %t &&
4// RUN: grep '@llvm.memmove.i32' %t &&
5// RUN: grep __builtin %t | count 0
6
7int main(int argc, char **argv) {
8  unsigned char a = 0x11223344;
9  unsigned char b = 0x11223344;
10  __builtin_bzero(&a, sizeof(a));
11  __builtin_memset(&a, 0, sizeof(a));
12  __builtin_memcpy(&a, &b, sizeof(a));
13  __builtin_memmove(&a, &b, sizeof(a));
14  return 0;
15}
16