| Reid Kleckner | 2e87a21 | 2017-10-27 22:48:41 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fms-compatibility -triple x86_64-windows-msvc %s -emit-llvm -o - | FileCheck %s |
| 2 | |
| 3 | // Make sure we choose the *direct* base path when doing these conversions. |
| 4 | |
| 5 | // CHECK: %struct.C = type { %struct.A, %struct.B } |
| 6 | // CHECK: %struct.D = type { %struct.B, %struct.A } |
| 7 | |
| 8 | struct A { int a; }; |
| 9 | struct B : A { int b; }; |
| 10 | |
| 11 | struct C : A, B { }; |
| 12 | extern "C" A *a_from_c(C *p) { return p; } |
| 13 | // CHECK-LABEL: define %struct.A* @a_from_c(%struct.C* %{{.*}}) |
| 14 | // CHECK: bitcast %struct.C* %{{.*}} to %struct.A* |
| 15 | |
| 16 | struct D : B, A { }; |
| 17 | extern "C" A *a_from_d(D *p) { return p; } |
| 18 | // CHECK-LABEL: define %struct.A* @a_from_d(%struct.D* %{{.*}}) |
| 19 | // CHECK: %[[p_i8:[^ ]*]] = bitcast %struct.D* %{{.*}} to i8* |
| 20 | // CHECK: getelementptr inbounds i8, i8* %[[p_i8]], i64 8 |