gcc/testsuite/gcc.dg/pr44214-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -freciprocal-math -fdump-tree-ccp1" } */
   3
   4 typedef double v2df __attribute__ ((vector_size (16)));
   5
   6 void do_div (v2df *a, v2df *b)
   7 {
   8   *a = *b / (v2df) { 2.0, 3.0 };
   9 }
  10
  11 /* Constant folding should multiply *b by the reciprocals of the
  12    vector elements.  The fold does not take place for generic
  13    vectors until the first CCP pass.  The string " * " occurs 3
  14    times:  one multiply and two indirect parameters.  */
  15
  16 /* { dg-final { scan-tree-dump-times " \\\* " 3 "ccp1" } } */
  17 /* { dg-final { scan-tree-dump-times " / " 0 "ccp1" } } */
  18 /* { dg-final { cleanup-tree-dump "ccp1" } } */