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 { };
a_from_c(C * p)12 extern "C" A *a_from_c(C *p) { return p; }
13 // CHECK-LABEL: define dso_local %struct.A* @a_from_c(%struct.C* %{{.*}})
14 // CHECK: bitcast %struct.C* %{{.*}} to %struct.A*
15
16 struct D : B, A { };
a_from_d(D * p)17 extern "C" A *a_from_d(D *p) { return p; }
18 // CHECK-LABEL: define dso_local %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
21