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