diff options
Diffstat (limited to 'test/Sema/attr-malloc.c')
| -rw-r--r-- | test/Sema/attr-malloc.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/Sema/attr-malloc.c b/test/Sema/attr-malloc.c new file mode 100644 index 0000000..1adcf07 --- /dev/null +++ b/test/Sema/attr-malloc.c @@ -0,0 +1,25 @@ +// RUN: clang-cc -verify -fsyntax-only %s && +// RUN: clang-cc -emit-llvm -o %t %s && + +#include <stdlib.h> + +int no_vars __attribute((malloc)); // expected-warning {{functions returning a pointer type}} + +void returns_void (void) __attribute((malloc)); // expected-warning {{functions returning a pointer type}} +int returns_int (void) __attribute((malloc)); // expected-warning {{functions returning a pointer type}} +int * returns_intptr(void) __attribute((malloc)); // no-warning +typedef int * iptr; +iptr returns_iptr (void) __attribute((malloc)); // no-warning + +__attribute((malloc)) void *(*f)(); // expected-warning{{'malloc' attribute only applies to functions returning a pointer type}} +__attribute((malloc)) int (*g)(); // expected-warning{{'malloc' attribute only applies to functions returning a pointer type}} + +__attribute((malloc)) +void * xalloc(unsigned n) { return malloc(n); } // no-warning +// RUN: grep 'define noalias .* @xalloc(' %t && + +#define malloc_like __attribute((__malloc__)) +void * xalloc2(unsigned) malloc_like; +void * xalloc2(unsigned n) { return malloc(n); } +// RUN: grep 'define noalias .* @xalloc2(' %t + |
