1*67e74705SXin Li // RUN: %clang_cc1 %s -std=c++11 -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
2*67e74705SXin Li
3*67e74705SXin Li // For a reference to a complete type, output the dereferenceable attribute (in
4*67e74705SXin Li // any address space).
5*67e74705SXin Li
6*67e74705SXin Li typedef int a __attribute__((address_space(1)));
7*67e74705SXin Li
foo(a & x,a & y)8*67e74705SXin Li a & foo(a &x, a & y) {
9*67e74705SXin Li return x;
10*67e74705SXin Li }
11*67e74705SXin Li
12*67e74705SXin Li // CHECK: define dereferenceable(4) i32 addrspace(1)* @_Z3fooRU3AS1iS0_(i32 addrspace(1)* dereferenceable(4) %x, i32 addrspace(1)* dereferenceable(4) %y)
13*67e74705SXin Li
14*67e74705SXin Li // For a reference to an incomplete type in an alternate address space, output
15*67e74705SXin Li // neither dereferenceable nor nonnull.
16*67e74705SXin Li
17*67e74705SXin Li class bc;
18*67e74705SXin Li typedef bc b __attribute__((address_space(1)));
19*67e74705SXin Li
bar(b & x,b & y)20*67e74705SXin Li b & bar(b &x, b & y) {
21*67e74705SXin Li return x;
22*67e74705SXin Li }
23*67e74705SXin Li
24*67e74705SXin Li // CHECK: define %class.bc addrspace(1)* @_Z3barRU3AS12bcS1_(%class.bc addrspace(1)* %x, %class.bc addrspace(1)* %y)
25*67e74705SXin Li
26*67e74705SXin Li // For a reference to an incomplete type in addrspace(0), output nonnull.
27*67e74705SXin Li
bar2(bc & x,bc & y)28*67e74705SXin Li bc & bar2(bc &x, bc & y) {
29*67e74705SXin Li return x;
30*67e74705SXin Li }
31*67e74705SXin Li
32*67e74705SXin Li // CHECK: define nonnull %class.bc* @_Z4bar2R2bcS0_(%class.bc* nonnull %x, %class.bc* nonnull %y)
33*67e74705SXin Li
34*67e74705SXin Li
35