gcc/testsuite/gcc.dg/pr105049.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fno-tree-forwprop" } */
   3
   4 typedef short __attribute__((__vector_size__ (sizeof(short)))) V;
   5 typedef short __attribute__((__vector_size__ (2*sizeof(short)))) U;
   6 char c;
   7
   8 U
   9 foo (void)
  10 {
  11   return __builtin_shufflevector ((V){}, (V){}, 0, 0) & c;
  12 }