1*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -O0 -o - %s | FileCheck %s 2*0a6a1f1dSLionel Sambuc struct Base {}; 3*0a6a1f1dSLionel Sambuc 4*0a6a1f1dSLionel Sambuc // __declspec(dllexport) causes us to export the implicit constructor. 5*0a6a1f1dSLionel Sambuc struct __declspec(dllexport) Derived : virtual Base { 6*0a6a1f1dSLionel Sambuc // CHECK-LABEL: define weak_odr dllexport x86_thiscallcc %struct.Derived* @"\01??0Derived@@QAE@ABU0@@Z" 7*0a6a1f1dSLionel Sambuc // CHECK: %[[this:.*]] = load %struct.Derived** {{.*}} 8*0a6a1f1dSLionel Sambuc // CHECK-NEXT: store %struct.Derived* %[[this]], %struct.Derived** %[[retval:.*]] 9*0a6a1f1dSLionel Sambuc // CHECK: %[[dest_a_gep:.*]] = getelementptr inbounds %struct.Derived* %[[this]], i32 0, i32 1 10*0a6a1f1dSLionel Sambuc // CHECK-NEXT: %[[src_load:.*]] = load %struct.Derived** {{.*}} 11*0a6a1f1dSLionel Sambuc // CHECK-NEXT: %[[src_a_gep:.*]] = getelementptr inbounds %struct.Derived* %[[src_load:.*]], i32 0, i32 1 12*0a6a1f1dSLionel Sambuc // CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %[[dest_a_gep]], i8* %[[src_a_gep]], i64 1, i32 4, i1 false) 13*0a6a1f1dSLionel Sambuc // CHECK-NEXT: %[[dest_this:.*]] = load %struct.Derived** %[[retval]] 14*0a6a1f1dSLionel Sambuc // CHECK-NEXT: ret %struct.Derived* %[[dest_this]] 15*0a6a1f1dSLionel Sambuc bool a : 1; 16*0a6a1f1dSLionel Sambuc bool b : 1; 17*0a6a1f1dSLionel Sambuc }; 18*0a6a1f1dSLionel Sambuc 19*0a6a1f1dSLionel Sambuc // __declspec(dllexport) causes us to export the implicit copy constructor. 20*0a6a1f1dSLionel Sambuc struct __declspec(dllexport) Derived2 : virtual Base { 21*0a6a1f1dSLionel Sambuc // CHECK-LABEL: define weak_odr dllexport x86_thiscallcc %struct.Derived2* @"\01??0Derived2@@QAE@ABU0@@Z" 22*0a6a1f1dSLionel Sambuc // CHECK: %[[this:.*]] = load %struct.Derived2** {{.*}} 23*0a6a1f1dSLionel Sambuc // CHECK-NEXT: store %struct.Derived2* %[[this]], %struct.Derived2** %[[retval:.*]] 24*0a6a1f1dSLionel Sambuc // CHECK: %[[dest_a_gep:.*]] = getelementptr inbounds %struct.Derived2* %[[this]], i32 0, i32 1 25*0a6a1f1dSLionel Sambuc // CHECK-NEXT: %[[src_load:.*]] = load %struct.Derived2** {{.*}} 26*0a6a1f1dSLionel Sambuc // CHECK-NEXT: %[[src_a_gep:.*]] = getelementptr inbounds %struct.Derived2* %[[src_load:.*]], i32 0, i32 1 27*0a6a1f1dSLionel Sambuc // CHECK-NEXT: %[[dest_a_bitcast:.*]] = bitcast [1 x i32]* %[[dest_a_gep]] to i8* 28*0a6a1f1dSLionel Sambuc // CHECK-NEXT: %[[src_a_bitcast:.*]] = bitcast [1 x i32]* %[[src_a_gep]] to i8* 29*0a6a1f1dSLionel Sambuc // CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %[[dest_a_bitcast]], i8* %[[src_a_bitcast]], i32 4, i32 4, i1 false) 30*0a6a1f1dSLionel Sambuc // CHECK-NEXT: %[[dest_this:.*]] = load %struct.Derived2** %[[retval]] 31*0a6a1f1dSLionel Sambuc // CHECK-NEXT: ret %struct.Derived2* %[[dest_this]] 32*0a6a1f1dSLionel Sambuc int Array[1]; 33*0a6a1f1dSLionel Sambuc }; 34