gcc/testsuite/gcc.dg/pr49235.c

   1 /* PR rtl-optimization/49235 */
   2 /* { dg-do compile { target { int32plus } } } */
   3 /* { dg-options "-O -fno-delete-null-pointer-checks -fno-tree-scev-cprop -ftree-vectorize -fno-vect-cost-model -w" } */
   4
   5 void
   6 foo (void)
   7 {
   8   unsigned i;
   9   unsigned *p = 0;
  10   for (i = 0; i < 4; ++i)
  11     *p++ = 0;
  12   for (i = 0; i < 4; ++i)
  13     *p++ = 0;
  14 }
  15
  16 void
  17 bar (void)
  18 {
  19   unsigned i;
  20   unsigned *p = (unsigned *) (__UINTPTR_TYPE__) 0x12340000;
  21   for (i = 0; i < 4; ++i)
  22     *p++ = 0;
  23   for (i = 0; i < 4; ++i)
  24     *p++ = 0;
  25 }