llvm-project/clang/test/Sema/2010-05-31-palignr.c

// RUN: %clang_cc1 -triple x86_64-apple-darwin -ffreestanding -verify -fsyntax-only %s

#include <tmmintrin.h>
#include <stdint.h>

extern int i;

int main ()
{
  typedef int16_t     vSInt16         __attribute__ ((__vector_size__ (16)));

  short   dtbl[] = {1,2,3,4,5,6,7,8};
  vSInt16 *vdtbl = (vSInt16*) dtbl;

  vSInt16 v0;
  v0 = *vdtbl;
  _mm_alignr_epi8(v0, v0, i); // expected-error {{argument to '__builtin_ia32_palignr128' must be a constant integer}}

  return 0;
}