1 // RUN: %clang_cc1 %s -fno-rtti -cxx-abi microsoft -triple=i386-pc-win32 -emit-llvm -o - | FileCheck %s
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
16 struct D : virtual C {
24 D::D() {} // Forces vftable emission.
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]])
37 // CHECK-LABEL: define weak x86_thiscallcc void @"\01?f@D@@$4PPPPPPPI@3AEXXZ"
38 // CHECK: %[[ECX:.*]] = load %struct.D** %{{.*}}
39 // CHECK: %[[ECX_i8:.*]] = bitcast %struct.D* %[[ECX]] to i8*
40 // CHECK: %[[VTORDISP_PTR_i8:.*]] = getelementptr i8* %[[ECX_i8]], i32 -8
41 // CHECK: %[[VTORDISP_PTR:.*]] = bitcast i8* %[[VTORDISP_PTR_i8]] to i32*
42 // CHECK: %[[VTORDISP:.*]] = load i32* %[[VTORDISP_PTR]]
43 // CHECK: %[[VTORDISP_NEG:.*]] = sub i32 0, %[[VTORDISP]]
44 // CHECK: %[[VTORDISP_ADJUSTED_i8:.*]] = getelementptr i8* %[[ECX_i8]], i32 %[[VTORDISP_NEG]]
45 // CHECK: %[[ADJUSTED_i8:.*]] = getelementptr i8* %[[VTORDISP_ADJUSTED_i8]], i32 -4
46 // CHECK: call x86_thiscallcc void @"\01?f@D@@UAEXXZ"(i8* %[[ADJUSTED_i8]])
49 struct E : virtual A {
58 struct G : virtual F, virtual E {
64 G::G() {} // Forces vftable emission.
66 // CHECK-LABEL: define weak x86_thiscallcc void @"\01?f@E@@$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]])