1 // RUN: %clang_cc1 %s -fno-rtti -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 -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 linkonce_odr dso_local x86_thiscallcc void @"\01?f@D@@$4PPPPPPPM@A@AEXXZ" 27 // Note that the vtordisp is applied before really adjusting to D*. 28 // CHECK: %[[COERCE_LOAD:.*]] = load %struct.D*, %struct.D** %{{.*}} 29 // CHECK: %[[ECX:.*]] = load %struct.D*, %struct.D** %{{.*}} 30 // CHECK: %[[ECX_i8:.*]] = bitcast %struct.D* %[[ECX]] to i8* 31 // CHECK: %[[VTORDISP_PTR_i8:.*]] = getelementptr inbounds i8, i8* %[[ECX_i8]], i32 -4 32 // CHECK: %[[VTORDISP_PTR:.*]] = bitcast i8* %[[VTORDISP_PTR_i8]] to i32* 33 // CHECK: %[[VTORDISP:.*]] = load i32, i32* %[[VTORDISP_PTR]] 34 // CHECK: %[[VTORDISP_NEG:.*]] = sub i32 0, %[[VTORDISP]] 35 // CHECK: %[[ADJUSTED_i8:.*]] = getelementptr i8, i8* %[[ECX_i8]], i32 %[[VTORDISP_NEG]] 36 // CHECK: call x86_thiscallcc void @"\01?f@D@@UAEXXZ"(i8* %[[ADJUSTED_i8]]) 37 // CHECK: ret void 38 39 // CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @"\01?f@D@@$4PPPPPPPI@3AEXXZ" 40 // CHECK: %[[COERCE_LOAD:.*]] = load %struct.D*, %struct.D** %{{.*}} 41 // CHECK: %[[ECX:.*]] = load %struct.D*, %struct.D** %{{.*}} 42 // CHECK: %[[ECX_i8:.*]] = bitcast %struct.D* %[[ECX]] to i8* 43 // CHECK: %[[VTORDISP_PTR_i8:.*]] = getelementptr inbounds i8, i8* %[[ECX_i8]], i32 -8 44 // CHECK: %[[VTORDISP_PTR:.*]] = bitcast i8* %[[VTORDISP_PTR_i8]] to i32* 45 // CHECK: %[[VTORDISP:.*]] = load i32, i32* %[[VTORDISP_PTR]] 46 // CHECK: %[[VTORDISP_NEG:.*]] = sub i32 0, %[[VTORDISP]] 47 // CHECK: %[[VTORDISP_ADJUSTED_i8:.*]] = getelementptr i8, i8* %[[ECX_i8]], i32 %[[VTORDISP_NEG]] 48 // CHECK: %[[ADJUSTED_i8:.*]] = getelementptr i8, i8* %[[VTORDISP_ADJUSTED_i8]], i32 -4 49 // CHECK: call x86_thiscallcc void @"\01?f@D@@UAEXXZ"(i8* %[[ADJUSTED_i8]]) 50 // CHECK: ret void 51 52 struct E : virtual A { 53 virtual void f(); 54 ~E(); 55 }; 56 57 struct F { 58 virtual void z(); 59 }; 60 61 struct G : virtual F, virtual E { 62 int ggg; 63 G(); 64 ~G(); 65 }; 66 67 G::G() {} // Forces vftable emission. 68 69 // CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @"\01?f@E@@$R4BA@M@PPPPPPPM@7AEXXZ"(i8* 70 // CHECK: %[[COERCE_LOAD:.*]] = load %struct.E*, %struct.E** %{{.*}} 71 // CHECK: %[[ECX:.*]] = load %struct.E*, %struct.E** %{{.*}} 72 // CHECK: %[[ECX_i8:.*]] = bitcast %struct.E* %[[ECX]] to i8* 73 // CHECK: %[[VTORDISP_PTR_i8:.*]] = getelementptr inbounds i8, i8* %[[ECX_i8]], i32 -4 74 // CHECK: %[[VTORDISP_PTR:.*]] = bitcast i8* %[[VTORDISP_PTR_i8]] to i32* 75 // CHECK: %[[VTORDISP:.*]] = load i32, i32* %[[VTORDISP_PTR]] 76 // CHECK: %[[VTORDISP_NEG:.*]] = sub i32 0, %[[VTORDISP]] 77 // CHECK: %[[VTORDISP_ADJUSTED_i8:.*]] = getelementptr i8, i8* %[[ECX_i8]], i32 %[[VTORDISP_NEG]] 78 // CHECK: %[[VBPTR_i8:.*]] = getelementptr inbounds i8, i8* %[[VTORDISP_ADJUSTED_i8]], i32 -16 79 // CHECK: %[[VBPTR:.*]] = bitcast i8* %[[VBPTR_i8]] to i32** 80 // CHECK: %[[VBTABLE:.*]] = load i32*, i32** %[[VBPTR]] 81 // CHECK: %[[VBOFFSET_PTR:.*]] = getelementptr inbounds i32, i32* %[[VBTABLE]], i32 3 82 // CHECK: %[[VBASE_OFFSET:.*]] = load i32, i32* %[[VBOFFSET_PTR]] 83 // CHECK: %[[VBASE:.*]] = getelementptr inbounds i8, i8* %[[VBPTR_i8]], i32 %[[VBASE_OFFSET]] 84 // CHECK: %[[ARG_i8:.*]] = getelementptr i8, i8* %[[VBASE]], i32 8 85 // CHECK: call x86_thiscallcc void @"\01?f@E@@UAEXXZ"(i8* %[[ARG_i8]]) 86 // CHECK: ret void 87