| Timur Iskhodzhanov | 053142a | 2013-11-06 06:24:31 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 %s -fno-rtti -cxx-abi microsoft -triple=i386-pc-win32 -emit-llvm -o - | FileCheck %s |
| 2 | |
| 3 | // For now, just make sure x86_64 doesn't crash. |
| 4 | // RUN: %clang_cc1 %s -fno-rtti -cxx-abi microsoft -triple=x86_64-pc-win32 -emit-llvm -o %t |
| 5 | |
| 6 | struct A { |
| 7 | virtual void f(); |
| 8 | }; |
| 9 | |
| 10 | struct B { |
| 11 | virtual void f(); |
| 12 | }; |
| 13 | |
| 14 | struct C : A, B {}; |
| 15 | |
| 16 | struct D : virtual C { |
| 17 | D(); |
| 18 | ~D(); |
| 19 | virtual void f(); |
| 20 | void g(); |
| 21 | int xxx; |
| 22 | }; |
| 23 | |
| 24 | D::D() {} // Forces vftable emission. |
| 25 | |
| 26 | // CHECK-LABEL: define weak x86_thiscallcc void @"\01?f@D@@$4PPPPPPPM@A@AEXXZ" |
| 27 | // CHECK: %[[ECX:.*]] = load %struct.D** %{{.*}} |
| 28 | // CHECK: %[[ECX_i8:.*]] = bitcast %struct.D* %[[ECX]] to i8* |
| 29 | // CHECK: %[[VTORDISP_PTR_i8:.*]] = getelementptr i8* %[[ECX_i8]], i32 -4 |
| 30 | // CHECK: %[[VTORDISP_PTR:.*]] = bitcast i8* %[[VTORDISP_PTR_i8]] to i32* |
| 31 | // CHECK: %[[VTORDISP:.*]] = load i32* %[[VTORDISP_PTR]] |
| 32 | // CHECK: %[[VTORDISP_NEG:.*]] = sub i32 0, %[[VTORDISP]] |
| 33 | // CHECK: %[[ADJUSTED_i8:.*]] = getelementptr i8* %[[ECX_i8]], i32 %[[VTORDISP_NEG]] |
| 34 | // CHECK: call x86_thiscallcc void @"\01?f@D@@UAEXXZ"(i8* %[[ADJUSTED_i8]]) |
| 35 | // CHECK: ret void |
| 36 | |
| 37 | // CHECK-LABEL: define weak x86_thiscallcc void @"\01?f@D@@$4PPPPPPPI@3AEXXZ" |
| 38 | // CHECK: %[[ECX:.*]] = load %struct.D** %{{.*}} |
| 39 | // CHECK: %[[ECX_i8:.*]] = bitcast %struct.D* %[[ECX]] to i8* |
| 40 | // CHECK: %[[VTORDISP_PTR_i8:.*]] = getelementptr i8* %[[ECX_i8]], i32 -8 |
| 41 | // CHECK: %[[VTORDISP_PTR:.*]] = bitcast i8* %[[VTORDISP_PTR_i8]] to i32* |
| 42 | // CHECK: %[[VTORDISP:.*]] = load i32* %[[VTORDISP_PTR]] |
| 43 | // CHECK: %[[VTORDISP_NEG:.*]] = sub i32 0, %[[VTORDISP]] |
| 44 | // CHECK: %[[VTORDISP_ADJUSTED_i8:.*]] = getelementptr i8* %[[ECX_i8]], i32 %[[VTORDISP_NEG]] |
| 45 | // CHECK: %[[ADJUSTED_i8:.*]] = getelementptr i8* %[[VTORDISP_ADJUSTED_i8]], i32 -4 |
| 46 | // CHECK: call x86_thiscallcc void @"\01?f@D@@UAEXXZ"(i8* %[[ADJUSTED_i8]]) |
| 47 | // CHECK: ret void |
| 48 | |
| 49 | struct E : virtual A { |
| 50 | virtual void f(); |
| 51 | ~E(); |
| 52 | }; |
| 53 | |
| 54 | struct F { |
| 55 | virtual void z(); |
| 56 | }; |
| 57 | |
| 58 | struct G : virtual F, virtual E { |
| 59 | int ggg; |
| 60 | G(); |
| 61 | ~G(); |
| 62 | }; |
| 63 | |
| 64 | G::G() {} // Forces vftable emission. |
| 65 | |
| 66 | // CHECK-LABEL: define weak x86_thiscallcc void @"\01?f@E@@$R4BA@M@PPPPPPPM@7AEXXZ"(i8*) |
| 67 | // CHECK: %[[ECX:.*]] = load %struct.E** %{{.*}} |
| 68 | // CHECK: %[[ECX_i8:.*]] = bitcast %struct.E* %[[ECX]] to i8* |
| 69 | // CHECK: %[[VTORDISP_PTR_i8:.*]] = getelementptr i8* %[[ECX_i8]], i32 -4 |
| 70 | // CHECK: %[[VTORDISP_PTR:.*]] = bitcast i8* %[[VTORDISP_PTR_i8]] to i32* |
| 71 | // CHECK: %[[VTORDISP:.*]] = load i32* %[[VTORDISP_PTR]] |
| 72 | // CHECK: %[[VTORDISP_NEG:.*]] = sub i32 0, %[[VTORDISP]] |
| 73 | // CHECK: %[[VTORDISP_ADJUSTED_i8:.*]] = getelementptr i8* %[[ECX_i8]], i32 %[[VTORDISP_NEG]] |
| 74 | // CHECK: %[[VBPTR_i8:.*]] = getelementptr inbounds i8* %[[VTORDISP_ADJUSTED_i8]], i32 -16 |
| 75 | // CHECK: %[[VBPTR:.*]] = bitcast i8* %[[VBPTR_i8]] to i8** |
| 76 | // CHECK: %[[VBTABLE:.*]] = load i8** %[[VBPTR]] |
| 77 | // CHECK: %[[VBOFFSET_PTR_i8:.*]] = getelementptr inbounds i8* %[[VBTABLE]], i32 12 |
| 78 | // CHECK: %[[VBOFFSET_PTR:.*]] = bitcast i8* %[[VBOFFSET_PTR_i8]] to i32* |
| 79 | // CHECK: %[[VBASE_OFFSET:.*]] = load i32* %[[VBOFFSET_PTR]] |
| 80 | // CHECK: %[[VBASE:.*]] = getelementptr inbounds i8* %[[VBPTR_i8]], i32 %[[VBASE_OFFSET]] |
| 81 | // CHECK: %[[ARG_i8:.*]] = getelementptr i8* %[[VBASE]], i32 8 |
| 82 | // CHECK: call x86_thiscallcc void @"\01?f@E@@UAEXXZ"(i8* %[[ARG_i8]]) |
| 83 | // CHECK: ret void |