gcc/testsuite/gcc.dg/tree-ssa/integer-addr.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized -fno-strict-aliasing" } */
   3 /* Test with fixed address */
   4 static int *foo =  (int *) (unsigned long) 0x7800000;
   5
   6 int func(void) __attribute__ ((noinline));
   7
   8 extern int bar(void);
   9
  10 int func(void)
  11 {
  12    if (*foo) {
  13       return 1;
  14    }
  15    return 0;
  16
  17 }
  18
  19 int foobar(void)
  20 {
  21
  22    if (func()) {
  23       *foo = 1;
  24    }
  25    return func();
  26 }
  27
  28 /* { dg-final { scan-tree-dump-times "= func" 2 "optimized" } } */
  29 /* { dg-final { cleanup-tree-dump "optimized" } } */