test/CodeGen/builtin-memfns.c

   1 // RUN: clang-cc -triple i386-pc-linux-gnu -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
   7 int 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 }