| Kostya Serebryany | 8cb4a07 | 2012-03-26 17:03:51 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -emit-llvm -o - -O1 %s | FileCheck %s |
| 2 | // Check that we generate TBAA for vtable pointer loads and stores. |
| 3 | struct A { |
| 4 | virtual int foo() const ; |
| 5 | virtual ~A(); |
| 6 | }; |
| 7 | |
| 8 | void CreateA() { |
| 9 | new A; |
| 10 | } |
| 11 | |
| 12 | void CallFoo(A *a) { |
| 13 | a->foo(); |
| 14 | } |
| 15 | |
| Daniel Dunbar | 5432ff2 | 2012-03-26 20:18:16 +0000 | [diff] [blame] | 16 | // CHECK: %{{.*}} = load {{.*}} !tbaa !0 |
| Kostya Serebryany | 8cb4a07 | 2012-03-26 17:03:51 +0000 | [diff] [blame] | 17 | // CHECK: store {{.*}} !tbaa !0 |
| 18 | // CHECK: !0 = metadata !{metadata !"vtable pointer", metadata !1} |
| Duncan Sands | 2d7cb06 | 2012-04-15 18:04:54 +0000 | [diff] [blame] | 19 | // CHECK: !1 = metadata !{metadata !"Simple C/C++ TBAA"} |