| Aaron Ballman | 674cf26 | 2015-05-26 19:44:52 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -triple i686-windows-msvc -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s | FileCheck %s |
| David Majnemer | 196ac33 | 2014-09-11 23:05:02 +0000 | [diff] [blame] | 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" |
| David Blaikie | a953f28 | 2015-02-27 21:19:58 +0000 | [diff] [blame] | 7 | // CHECK: %[[this:.*]] = load %struct.Derived*, %struct.Derived** {{.*}} |
| David Majnemer | 196ac33 | 2014-09-11 23:05:02 +0000 | [diff] [blame] | 8 | // CHECK-NEXT: store %struct.Derived* %[[this]], %struct.Derived** %[[retval:.*]] |
| David Blaikie | 218b783 | 2015-02-27 19:18:17 +0000 | [diff] [blame] | 9 | // CHECK: %[[dest_a_gep:.*]] = getelementptr inbounds %struct.Derived, %struct.Derived* %[[this]], i32 0, i32 1 |
| David Blaikie | a953f28 | 2015-02-27 21:19:58 +0000 | [diff] [blame] | 10 | // CHECK-NEXT: %[[src_load:.*]] = load %struct.Derived*, %struct.Derived** {{.*}} |
| David Blaikie | 218b783 | 2015-02-27 19:18:17 +0000 | [diff] [blame] | 11 | // CHECK-NEXT: %[[src_a_gep:.*]] = getelementptr inbounds %struct.Derived, %struct.Derived* %[[src_load:.*]], i32 0, i32 1 |
| David Majnemer | 196ac33 | 2014-09-11 23:05:02 +0000 | [diff] [blame] | 12 | // CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %[[dest_a_gep]], i8* %[[src_a_gep]], i64 1, i32 4, i1 false) |
| David Blaikie | a953f28 | 2015-02-27 21:19:58 +0000 | [diff] [blame] | 13 | // CHECK-NEXT: %[[dest_this:.*]] = load %struct.Derived*, %struct.Derived** %[[retval]] |
| David Majnemer | 196ac33 | 2014-09-11 23:05:02 +0000 | [diff] [blame] | 14 | // CHECK-NEXT: ret %struct.Derived* %[[dest_this]] |
| 15 | bool a : 1; |
| 16 | bool b : 1; |
| 17 | }; |
| David Majnemer | 1573d73 | 2014-10-15 04:54:54 +0000 | [diff] [blame] | 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" |
| David Blaikie | a953f28 | 2015-02-27 21:19:58 +0000 | [diff] [blame] | 22 | // CHECK: %[[this:.*]] = load %struct.Derived2*, %struct.Derived2** {{.*}} |
| David Majnemer | 1573d73 | 2014-10-15 04:54:54 +0000 | [diff] [blame] | 23 | // CHECK-NEXT: store %struct.Derived2* %[[this]], %struct.Derived2** %[[retval:.*]] |
| David Blaikie | 218b783 | 2015-02-27 19:18:17 +0000 | [diff] [blame] | 24 | // CHECK: %[[dest_a_gep:.*]] = getelementptr inbounds %struct.Derived2, %struct.Derived2* %[[this]], i32 0, i32 1 |
| David Blaikie | a953f28 | 2015-02-27 21:19:58 +0000 | [diff] [blame] | 25 | // CHECK-NEXT: %[[src_load:.*]] = load %struct.Derived2*, %struct.Derived2** {{.*}} |
| David Blaikie | 218b783 | 2015-02-27 19:18:17 +0000 | [diff] [blame] | 26 | // CHECK-NEXT: %[[src_a_gep:.*]] = getelementptr inbounds %struct.Derived2, %struct.Derived2* %[[src_load:.*]], i32 0, i32 1 |
| David Majnemer | 1573d73 | 2014-10-15 04:54:54 +0000 | [diff] [blame] | 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) |
| David Blaikie | a953f28 | 2015-02-27 21:19:58 +0000 | [diff] [blame] | 30 | // CHECK-NEXT: %[[dest_this:.*]] = load %struct.Derived2*, %struct.Derived2** %[[retval]] |
| David Majnemer | 1573d73 | 2014-10-15 04:54:54 +0000 | [diff] [blame] | 31 | // CHECK-NEXT: ret %struct.Derived2* %[[dest_this]] |
| 32 | int Array[1]; |
| 33 | }; |