gcc/testsuite/gcc.dg/graphite/pr46924.c

   1 /* { dg-options "-O -fgraphite-identity -ffast-math -fno-tree-loop-im" } */
   2
   3 struct S
   4 {
   5   int n;
   6   float *a;
   7 };
   8
   9 float foo (struct S *s)
  10 {
  11   float f = 0, g=0;
  12   int i;
  13   for (i = 0; i < s->n; i++)
  14     f += s->a[i];
  15   for (i = 0; i < s->n; i++)
  16     ;
  17   return f;
  18 }