diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr19831-3.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr19831-3.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr19831-3.c b/gcc/testsuite/gcc.dg/tree-ssa/pr19831-3.c new file mode 100644 index 00000000000..02b55726a99 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr19831-3.c @@ -0,0 +1,39 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ + +void test2(void) +{ + int *p = __builtin_malloc (sizeof (int) * 4); + if (p == (void *)0) + __builtin_abort (); + __builtin_free (p); +} + +void test5(int b) +{ + int *p = __builtin_malloc (sizeof (int) * 4); + if (p) + __builtin_free (p); +} + +void test6(void) +{ + int *p = __builtin_malloc (sizeof (int) * 4); + if (p == (void *)0) + __builtin_abort (); + if (p) + __builtin_free (p); +} + +/* We should be able to remove all malloc/free pairs with CDDCE. + Assume p was non-NULL for test2. + For test5, it doesn't matter if p is NULL or non-NULL. */ + +/* { dg-final { scan-tree-dump-times "free" 0 "optimized" { xfail *-*-* } } } */ +/* { dg-final { scan-tree-dump-times "malloc" 0 "optimized" { xfail *-*-* } } } */ + +/* But make sure we don't partially optimize for now. */ + +/* { dg-final { scan-tree-dump-times "free" 3 "optimized" } } */ +/* { dg-final { scan-tree-dump-times "malloc" 3 "optimized" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |