| // RUN: %clang_cc1 -triple i686-windows-msvc -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s | FileCheck %s |
| struct Base {}; |
| |
| // __declspec(dllexport) causes us to export the implicit constructor. |
| struct __declspec(dllexport) Derived : virtual Base { |
| // CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc %struct.Derived* @"??0Derived@@QAE@ABU0@@Z" |
| // CHECK: %[[this:.*]] = load %struct.Derived*, %struct.Derived** {{.*}} |
| // CHECK-NEXT: store %struct.Derived* %[[this]], %struct.Derived** %[[retval:.*]] |
| // CHECK: %[[dest_a_gep:.*]] = getelementptr inbounds %struct.Derived, %struct.Derived* %[[this]], i32 0, i32 1 |
| // CHECK-NEXT: %[[src_load:.*]] = load %struct.Derived*, %struct.Derived** {{.*}} |
| // CHECK-NEXT: %[[src_a_gep:.*]] = getelementptr inbounds %struct.Derived, %struct.Derived* %[[src_load:.*]], i32 0, i32 1 |
| // CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %[[dest_a_gep]], i8* align 4 %[[src_a_gep]], i64 1, i1 false) |
| // CHECK-NEXT: %[[dest_this:.*]] = load %struct.Derived*, %struct.Derived** %[[retval]] |
| // CHECK-NEXT: ret %struct.Derived* %[[dest_this]] |
| bool a : 1; |
| bool b : 1; |
| }; |
| |
| // __declspec(dllexport) causes us to export the implicit copy constructor. |
| struct __declspec(dllexport) Derived2 : virtual Base { |
| // CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc %struct.Derived2* @"??0Derived2@@QAE@ABU0@@Z" |
| // CHECK: %[[this:.*]] = load %struct.Derived2*, %struct.Derived2** {{.*}} |
| // CHECK-NEXT: store %struct.Derived2* %[[this]], %struct.Derived2** %[[retval:.*]] |
| // CHECK: %[[dest_a_gep:.*]] = getelementptr inbounds %struct.Derived2, %struct.Derived2* %[[this]], i32 0, i32 1 |
| // CHECK-NEXT: %[[src_load:.*]] = load %struct.Derived2*, %struct.Derived2** {{.*}} |
| // CHECK-NEXT: %[[src_a_gep:.*]] = getelementptr inbounds %struct.Derived2, %struct.Derived2* %[[src_load:.*]], i32 0, i32 1 |
| // CHECK-NEXT: %[[dest_a_bitcast:.*]] = bitcast [1 x i32]* %[[dest_a_gep]] to i8* |
| // CHECK-NEXT: %[[src_a_bitcast:.*]] = bitcast [1 x i32]* %[[src_a_gep]] to i8* |
| // CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %[[dest_a_bitcast]], i8* align 4 %[[src_a_bitcast]], i32 4, i1 false) |
| // CHECK-NEXT: %[[dest_this:.*]] = load %struct.Derived2*, %struct.Derived2** %[[retval]] |
| // CHECK-NEXT: ret %struct.Derived2* %[[dest_this]] |
| int Array[1]; |
| }; |
