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(unsigned long long a) __attribute__((alloc_align(2))); // no-warning, ends up being int**. 11 T Foo2(unsigned long long 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 26 template <typename T> 27 T dependent_return_type(int p) __attribute__((alloc_align(1))); 28 29 void dependent_impl(int align) { 30 dependent_ret<int> a; // expected-note {{in instantiation of template class 'dependent_ret<int>' requested here}} 31 a.Foo(1); 32 a.Foo2(1); 33 dependent_ret<int *> b; 34 b.Foo(1); 35 b.Foo2(1); 36 b.Foo(3); // expected-warning {{requested alignment is not a power of 2}} 37 b.Foo2(3); // expected-warning {{requested alignment is not a power of 2}} 38 b.Foo(8589934592ull); // expected-warning {{requested alignment must be 4294967296 bytes or smaller; maximum alignment assumed}} 39 b.Foo2(8589934592ull); // expected-warning {{requested alignment must be 4294967296 bytes or smaller; maximum alignment assumed}} 40 b.Foo(align); 41 b.Foo2(align); 42 43 dependent_param_struct<int> c; 44 c.Foo(1); 45 dependent_param_struct<float> d; // expected-note {{in instantiation of template class 'dependent_param_struct<float>' requested here}} 46 d.Foo(1.0); 47 dependent_param_func<int>(1); 48 dependent_param_func<float>(1); // expected-note {{in instantiation of function template specialization 'dependent_param_func<float>' requested here}} 49 } 50