gcc/testsuite/gcc.dg/tree-ssa/pr65447.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-ivopts-details" } */
   3
   4 void foo (double *p)
   5 {
   6   int i;
   7   for (i = -20000; i < 200000; i+= 40)
   8     {
   9       p[i+0] = 1.0;
  10       p[i+1] = 1.0;
  11       p[i+2] = 1.0;
  12       p[i+3] = 1.0;
  13       p[i+4] = 1.0;
  14       p[i+5] = 1.0;
  15       p[i+6] = 1.0;
  16       p[i+7] = 1.0;
  17       p[i+8] = 1.0;
  18       p[i+9] = 1.0;
  19       p[i+10] = 1.0;
  20       p[i+11] = 1.0;
  21       p[i+12] = 1.0;
  22       p[i+13] = 1.0;
  23       p[i+14] = 1.0;
  24       p[i+15] = 1.0;
  25       p[i+16] = 1.0;
  26       p[i+17] = 1.0;
  27       p[i+18] = 1.0;
  28       p[i+19] = 1.0;
  29       p[i+20] = 1.0;
  30       p[i+21] = 1.0;
  31       p[i+22] = 1.0;
  32       p[i+23] = 1.0;
  33       p[i+24] = 1.0;
  34       p[i+25] = 1.0;
  35       p[i+26] = 1.0;
  36       p[i+27] = 1.0;
  37       p[i+28] = 1.0;
  38       p[i+29] = 1.0;
  39       p[i+30] = 1.0;
  40       p[i+31] = 1.0;
  41       p[i+32] = 1.0;
  42       p[i+33] = 1.0;
  43       p[i+34] = 1.0;
  44       p[i+35] = 1.0;
  45       p[i+36] = 1.0;
  46       p[i+37] = 1.0;
  47       p[i+38] = 1.0;
  48       p[i+39] = 1.0;
  49     }
  50 }
  51
  52 /* We should groups address type IV uses.  */
  53 /* { dg-final { scan-tree-dump-not "\\nuse 21\\n" "ivopts" } }  */