gcc/testsuite/gcc.dg/graphite/pr71824-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -floop-nest-optimize" } */
   3
   4 typedef struct { float x1; } bx;
   5 typedef struct {
   6     int w;
   7     short o;
   8 } T2P;
   9 T2P a;
  10 int b;
  11 void fn2();
  12 void fn3(bx*,short);
  13 void fn1() {
  14     unsigned i = 0;
  15     int c;
  16     bx *d;
  17     bx **h;
  18     if (b == 0) {
  19         fn2();
  20         return;
  21     }
  22     for (; c; c++)
  23       for (; i < 100; i++) {
  24           d = h[i];
  25           d->x1 = a.w;
  26       }
  27     for (; i < 100; i++) {
  28         d = h[i];
  29         d->x1 = a.w;
  30     }
  31     if (a.o)
  32       for (; b;)
  33         fn3(d, a.o);
  34 }