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 6struct A { 7 virtual void f(); 8}; 9 10struct B { 11 virtual void f(); 12}; 13 14struct C : A, B {}; 15 16struct D : virtual C { 17 D(); 18 ~D(); 19 virtual void f(); 20 void g(); 21 int xxx; 22}; 23 24D::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** %{{.*}} 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 linkonce_odr x86_thiscallcc void @"\01?f@D@@$4PPPPPPPI@3AEXXZ" 38// CHECK: %[[ECX:.*]] = load %struct.D** %{{.*}} 39// CHECK: %[[ECX_i8:.*]] = bitcast %struct.D* %[[ECX]] to i8* 40// CHECK: %[[VTORDISP_PTR_i8:.*]] = getelementptr i8* %[[ECX_i8]], i32 -8 41// CHECK: %[[VTORDISP_PTR:.*]] = bitcast i8* %[[VTORDISP_PTR_i8]] to i32* 42// CHECK: %[[VTORDISP:.*]] = load i32* %[[VTORDISP_PTR]] 43// CHECK: %[[VTORDISP_NEG:.*]] = sub i32 0, %[[VTORDISP]] 44// CHECK: %[[VTORDISP_ADJUSTED_i8:.*]] = getelementptr i8* %[[ECX_i8]], i32 %[[VTORDISP_NEG]] 45// CHECK: %[[ADJUSTED_i8:.*]] = getelementptr i8* %[[VTORDISP_ADJUSTED_i8]], i32 -4 46// CHECK: call x86_thiscallcc void @"\01?f@D@@UAEXXZ"(i8* %[[ADJUSTED_i8]]) 47// CHECK: ret void 48 49struct E : virtual A { 50 virtual void f(); 51 ~E(); 52}; 53 54struct F { 55 virtual void z(); 56}; 57 58struct G : virtual F, virtual E { 59 int ggg; 60 G(); 61 ~G(); 62}; 63 64G::G() {} // Forces vftable emission. 65 66// CHECK-LABEL: define linkonce_odr x86_thiscallcc void @"\01?f@E@@$R4BA@M@PPPPPPPM@7AEXXZ"(i8*) 67// CHECK: %[[ECX:.*]] = load %struct.E** %{{.*}} 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 84