1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
3 struct param_num {
4   void* Foo(int a) __attribute__((alloc_align(1))); // expected-error {{'alloc_align' attribute is invalid for the implicit this argument}}
5 };
6 
7 
8 template <typename T>
9 struct dependent_ret {
10   T* Foo(int a) __attribute__((alloc_align(2)));// no-warning, ends up being int**.
11   T Foo2(int a) __attribute__((alloc_align(2)));// expected-warning {{'alloc_align' attribute only applies to return values that are pointers or references}}
12 };
13 
14 // Following 2 errors associated only with the 'float' versions below.
15 template <typename T>
16 struct dependent_param_struct {
17   void* Foo(T param) __attribute__((alloc_align(2))); // expected-error {{'alloc_align' attribute argument may only refer to a function parameter of integer type}}
18 };
19 
20 template <typename T>
21 void* dependent_param_func(T param) __attribute__((alloc_align(1)));// expected-error {{'alloc_align' attribute argument may only refer to a function parameter of integer type}}
22 
23 template <int T>
24 void* illegal_align_param(int p) __attribute__((alloc_align(T))); // expected-error {{'alloc_align' attribute requires parameter 1 to be an integer constant}}
25 
dependent_impl(int align)26 void dependent_impl(int align) {
27   dependent_ret<int> a; // expected-note {{in instantiation of template class 'dependent_ret<int>' requested here}}
28   a.Foo(1);
29   a.Foo2(1);
30   dependent_ret<int *> b;
31   b.Foo(1);
32   b.Foo2(1);
33   b.Foo(3);           // expected-warning {{requested alignment is not a power of 2}}
34   b.Foo2(3);          // expected-warning {{requested alignment is not a power of 2}}
35   b.Foo(1073741824);  // expected-warning {{requested alignment must be 536870912 bytes or smaller; maximum alignment assumed}}
36   b.Foo2(1073741824); // expected-warning {{requested alignment must be 536870912 bytes or smaller; maximum alignment assumed}}
37   b.Foo(align);
38   b.Foo2(align);
39 
40   dependent_param_struct<int> c;
41   c.Foo(1);
42   dependent_param_struct<float> d; // expected-note {{in instantiation of template class 'dependent_param_struct<float>' requested here}}
43   d.Foo(1.0);
44   dependent_param_func<int>(1);
45   dependent_param_func<float>(1); // expected-note {{in instantiation of function template specialization 'dependent_param_func<float>' requested here}}
46 }
47