| Hal Finkel | a2347ba | 2014-07-18 15:52:10 +0000 | [diff] [blame^] | 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 | |
| 6 | typedef int a __attribute__((address_space(1))); |
| 7 | |
| 8 | a & 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 | |
| 17 | class bc; |
| 18 | typedef bc b __attribute__((address_space(1))); |
| 19 | |
| 20 | b & 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 | |
| 28 | bc & 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 | |