| Anders Carlsson | 1af3df8 | 2010-01-18 04:25:18 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s |
| 2 | |
| 3 | namespace Test1 { |
| 4 | struct A { }; |
| 5 | |
| 6 | struct B : virtual A { |
| 7 | virtual void f(); |
| 8 | }; |
| 9 | |
| 10 | void B::f() { } |
| 11 | } |
| 12 | |
| 13 | // Test1::B should just have a single entry in its VTT, which points to the vtable. |
| 14 | // CHECK: @_ZTTN5Test11BE = constant [1 x i8*] [i8* bitcast (i8** getelementptr inbounds ([4 x i8*]* @_ZTVN5Test11BE, i64 0, i64 3) to i8*)] |
| 15 | |
| 16 | namespace Test2 { |
| 17 | struct A { }; |
| 18 | |
| 19 | struct B : A { virtual void f(); }; |
| 20 | struct C : virtual B { }; |
| 21 | |
| 22 | C c; |
| 23 | } |
| 24 | |
| 25 | // Check that we don't add a secondary virtual pointer for Test2::A, since Test2::A doesn't have any virtual member functions or bases. |
| 26 | // CHECK: @_ZTTN5Test21CE = weak_odr constant [2 x i8*] [i8* bitcast (i8** getelementptr inbounds ([5 x i8*]* @_ZTVN5Test21CE, i64 0, i64 4) to i8*), i8* bitcast (i8** getelementptr inbounds ([5 x i8*]* @_ZTVN5Test21CE, i64 0, i64 4) to i8*)] ; <[2 x i8*]*> [#uses=0] |