attr-malloc.c revision b109069995b44f3ef182bcd1b02ad05e9ea9d21d 
1// RUN: clang-cc -verify -fsyntax-only %s &&
2// RUN: clang-cc -emit-llvm -o %t %s &&
3
4#include <stdlib.h>
5
6int no_vars __attribute((malloc)); // expected-warning {{only applies to function types}}
7
8void  returns_void  (void) __attribute((malloc)); // expected-warning {{functions returning pointer type}}
9int   returns_int   (void) __attribute((malloc)); // expected-warning {{functions returning pointer type}}
10int * returns_intptr(void) __attribute((malloc)); // no-warning
11typedef int * iptr;
12iptr  returns_iptr  (void) __attribute((malloc)); // no-warning
13
14__attribute((malloc)) void *(*f)(); // no-warning
15
16__attribute((malloc))
17void * xalloc(unsigned n) { return malloc(n); } // no-warning
18// RUN: grep 'define noalias .* @xalloc(' %t &&
19
20#define malloc_like __attribute((__malloc__))
21void * xalloc2(unsigned) malloc_like;
22void * xalloc2(unsigned n) { return malloc(n); }
23// RUN: grep 'define noalias .* @xalloc2(' %t
24
25