gcc/testsuite/gcc.dg/tree-ssa/restrict-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fno-strict-aliasing -fdump-tree-lim2-details" } */
   3
   4 void f(int * __restrict__ r,
   5        int a[__restrict__ 16][16],
   6        int b[__restrict__ 16][16],
   7        int i, int j)
   8 {
   9   int x;
  10   *r = 0;
  11   for (x = 1; x < 16; ++x)
  12     *r = *r + a[i][x] * b[x][j];
  13 }
  14
  15 /* We should apply store motion to the store to *r.  */
  16
  17 /* { dg-final { scan-tree-dump "Executing store motion of \\\*r" "lim2" } } */