gcc/testsuite/gcc.target/arm/ivopts-4.c

   1 /* { dg-do assemble } */
   2 /* { dg-options "-Os -fdump-tree-ivopts -save-temps" } */
   3
   4 extern unsigned int foo (int*) __attribute__((pure));
   5
   6 unsigned int
   7 tr2 (int array[], int n)
   8 {
   9   unsigned int sum = 0;
  10   int x;
  11   if (n > 0)
  12     for (x = 0; x < n; x++)
  13       sum += foo (&array[x]);
  14   return sum;
  15 }
  16
  17 /* { dg-final { scan-tree-dump-times "PHI <ivtmp" 1 "ivopts"} } */
  18 /* { dg-final { scan-tree-dump-times "PHI <x" 0 "ivopts"} } */
  19 /* { dg-final { scan-tree-dump-times ", x" 0 "ivopts"} } */
  20 /* { dg-final { object-size text <= 36 { target arm_thumb2 } } } */