gcc/testsuite/gcc.dg/tree-ssa/pr19831-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-optimized" } */
   3
   4 void test1(void)
   5 {
   6   int *p = __builtin_malloc (sizeof (int) * 4);
   7   int *q = p;
   8   *q++ = 4;
   9   *q++ = 4;
  10   __builtin_free (p);
  11 }
  12
  13 void test3(int b)
  14 {
  15   int *p = __builtin_malloc (sizeof (int) * 4);
  16   if (b)
  17     __builtin_free (p);
  18   *p = 5;
  19 }
  20
  21 void test4(int b)
  22 {
  23   int *p = __builtin_malloc (sizeof (int) * 4);
  24   if (b)
  25     __builtin_free (p);
  26   *p = 5;
  27   __builtin_free (p);
  28 }
  29
  30 /* { dg-final { scan-tree-dump-times "free" 0 "optimized" } } */
  31 /* { dg-final { scan-tree-dump-times "malloc" 0 "optimized" } } */