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