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