| // RUN: %clang_cc1 %s -fno-rtti -triple=i386-pc-win32 -emit-llvm -o - | FileCheck %s |
| |
| // For now, just make sure x86_64 doesn't crash. |
| // RUN: %clang_cc1 %s -fno-rtti -triple=x86_64-pc-win32 -emit-llvm -o %t |
| |
| struct A { |
| virtual void f(); |
| }; |
| |
| struct B { |
| virtual void f(); |
| }; |
| |
| struct C : A, B {}; |
| |
| struct D : virtual C { |
| D(); |
| ~D(); |
| virtual void f(); |
| void g(); |
| int xxx; |
| }; |
| |
| D::D() {} // Forces vftable emission. |
| |
| // CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @"?f@D@@$4PPPPPPPM@A@AEXXZ" |
| // Note that the vtordisp is applied before really adjusting to D*. |
| // CHECK: %[[ECX:.*]] = load ptr, ptr %{{.*}} |
| // CHECK: %[[VTORDISP_PTR_i8:.*]] = getelementptr inbounds i8, ptr %[[ECX]], i32 -4 |
| // CHECK: %[[VTORDISP:.*]] = load i32, ptr %[[VTORDISP_PTR_i8]] |
| // CHECK: %[[VTORDISP_NEG:.*]] = sub i32 0, %[[VTORDISP]] |
| // CHECK: %[[ADJUSTED_i8:.*]] = getelementptr i8, ptr %[[ECX]], i32 %[[VTORDISP_NEG]] |
| // CHECK: call x86_thiscallcc void @"?f@D@@UAEXXZ"(ptr noundef %[[ADJUSTED_i8]]) |
| // CHECK: ret void |
| |
| // CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @"?f@D@@$4PPPPPPPI@3AEXXZ" |
| // CHECK: %[[ECX:.*]] = load ptr, ptr %{{.*}} |
| // CHECK: %[[VTORDISP_PTR_i8:.*]] = getelementptr inbounds i8, ptr %[[ECX]], i32 -8 |
| // CHECK: %[[VTORDISP:.*]] = load i32, ptr %[[VTORDISP_PTR_i8]] |
| // CHECK: %[[VTORDISP_NEG:.*]] = sub i32 0, %[[VTORDISP]] |
| // CHECK: %[[VTORDISP_ADJUSTED_i8:.*]] = getelementptr i8, ptr %[[ECX]], i32 %[[VTORDISP_NEG]] |
| // CHECK: %[[ADJUSTED_i8:.*]] = getelementptr i8, ptr %[[VTORDISP_ADJUSTED_i8]], i32 -4 |
| // CHECK: call x86_thiscallcc void @"?f@D@@UAEXXZ"(ptr noundef %[[ADJUSTED_i8]]) |
| // CHECK: ret void |
| |
| struct E : virtual A { |
| virtual void f(); |
| ~E(); |
| }; |
| |
| struct F { |
| virtual void z(); |
| }; |
| |
| struct G : virtual F, virtual E { |
| int ggg; |
| G(); |
| ~G(); |
| }; |
| |
| G::G() {} // Forces vftable emission. |
| |
| // CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @"?f@E@@$R4BA@M@PPPPPPPM@7AEXXZ"(ptr |
| // CHECK: %[[ECX:.*]] = load ptr, ptr %{{.*}} |
| // CHECK: %[[VTORDISP_PTR_i8:.*]] = getelementptr inbounds i8, ptr %[[ECX]], i32 -4 |
| // CHECK: %[[VTORDISP:.*]] = load i32, ptr %[[VTORDISP_PTR_i8]] |
| // CHECK: %[[VTORDISP_NEG:.*]] = sub i32 0, %[[VTORDISP]] |
| // CHECK: %[[VTORDISP_ADJUSTED_i8:.*]] = getelementptr i8, ptr %[[ECX]], i32 %[[VTORDISP_NEG]] |
| // CHECK: %[[VBPTR_i8:.*]] = getelementptr inbounds i8, ptr %[[VTORDISP_ADJUSTED_i8]], i32 -16 |
| // CHECK: %[[VBTABLE:.*]] = load ptr, ptr %[[VBPTR_i8]] |
| // CHECK: %[[VBOFFSET_PTR:.*]] = getelementptr inbounds i32, ptr %[[VBTABLE]], i32 3 |
| // CHECK: %[[VBASE_OFFSET:.*]] = load i32, ptr %[[VBOFFSET_PTR]] |
| // CHECK: %[[VBASE:.*]] = getelementptr inbounds i8, ptr %[[VBPTR_i8]], i32 %[[VBASE_OFFSET]] |
| // CHECK: %[[ARG_i8:.*]] = getelementptr i8, ptr %[[VBASE]], i32 8 |
| // CHECK: call x86_thiscallcc void @"?f@E@@UAEXXZ"(ptr noundef %[[ARG_i8]]) |
| // CHECK: ret void |
