gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-5.c

   1 /* Test normalization of ARRAY_REF expressions to MEM_REFs in dom.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fno-tree-fre -fdump-tree-dom2" } */
   4
   5 #define N 8
   6
   7 int
   8 main (int argc, char **argv)
   9 {
  10   int a[N];
  11   for (int i = 0; i < N; i++)
  12     a[i] = 2*i + 1;
  13   int *p = &a[0];
  14   __builtin_printf ("%d\n", a[argc]);
  15   return *(++p);
  16 }
  17
  18 /* { dg-final { scan-tree-dump-times "return 3;" 1 "dom2"} } */