gcc/testsuite/gcc.dg/tree-ssa/muldiv-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-optimized-raw" } */
   3
   4 // 'a' should disappear, but we are not there yet
   5
   6 int* f(int* a, int* b, int* c){
   7     __PTRDIFF_TYPE__ d = b - a;
   8     d += 1;
   9     return a + d;
  10 }
  11
  12 /* { dg-final { scan-tree-dump-not "div" "optimized" } } */