diff options
Diffstat (limited to 'clang/test/CIR/CodeGen/vbase.cpp')
| -rw-r--r-- | clang/test/CIR/CodeGen/vbase.cpp | 82 |
1 files changed, 81 insertions, 1 deletions
diff --git a/clang/test/CIR/CodeGen/vbase.cpp b/clang/test/CIR/CodeGen/vbase.cpp index 9139651..4d57f8e 100644 --- a/clang/test/CIR/CodeGen/vbase.cpp +++ b/clang/test/CIR/CodeGen/vbase.cpp @@ -13,19 +13,29 @@ public: class Derived : public virtual Base {}; -// This is just here to force the record types to be emitted. void f() { Derived d; + d.f(); +} + +class DerivedFinal final : public virtual Base {}; + +void g() { + DerivedFinal df; + df.f(); } // CIR: !rec_Base = !cir.record<class "Base" {!cir.vptr}> // CIR: !rec_Derived = !cir.record<class "Derived" {!rec_Base}> +// CIR: !rec_DerivedFinal = !cir.record<class "DerivedFinal" {!rec_Base}> // LLVM: %class.Derived = type { %class.Base } // LLVM: %class.Base = type { ptr } +// LLVM: %class.DerivedFinal = type { %class.Base } // OGCG: %class.Derived = type { %class.Base } // OGCG: %class.Base = type { ptr } +// OGCG: %class.DerivedFinal = type { %class.Base } // Test the constructor handling for a class with a virtual base. struct A { @@ -47,6 +57,76 @@ void ppp() { B b; } // OGCG: @_ZTV1B = linkonce_odr unnamed_addr constant { [3 x ptr] } { [3 x ptr] [ptr inttoptr (i64 12 to ptr), ptr null, ptr @_ZTI1B] }, comdat, align 8 +// CIR: cir.func {{.*}}@_Z1fv() { +// CIR: %[[D:.+]] = cir.alloca !rec_Derived, !cir.ptr<!rec_Derived>, ["d", init] +// CIR: cir.call @_ZN7DerivedC1Ev(%[[D]]) nothrow : (!cir.ptr<!rec_Derived>) -> () +// CIR: %[[VPTR_PTR:.+]] = cir.vtable.get_vptr %[[D]] : !cir.ptr<!rec_Derived> -> !cir.ptr<!cir.vptr> +// CIR: %[[VPTR:.+]] = cir.load {{.*}} %[[VPTR_PTR]] : !cir.ptr<!cir.vptr>, !cir.vptr +// CIR: %[[VPTR_I8:.+]] = cir.cast(bitcast, %[[VPTR]] : !cir.vptr), !cir.ptr<!u8i> +// CIR: %[[NEG32:.+]] = cir.const #cir.int<-32> : !s64i +// CIR: %[[ADJ_VPTR_I8:.+]] = cir.ptr_stride(%[[VPTR_I8]] : !cir.ptr<!u8i>, %[[NEG32]] : !s64i), !cir.ptr<!u8i> +// CIR: %[[OFFSET_PTR:.+]] = cir.cast(bitcast, %[[ADJ_VPTR_I8]] : !cir.ptr<!u8i>), !cir.ptr<!s64i> +// CIR: %[[OFFSET:.+]] = cir.load {{.*}} %[[OFFSET_PTR]] : !cir.ptr<!s64i>, !s64i +// CIR: %[[D_I8:.+]] = cir.cast(bitcast, %[[D]] : !cir.ptr<!rec_Derived>), !cir.ptr<!u8i> +// CIR: %[[ADJ_THIS_I8:.+]] = cir.ptr_stride(%[[D_I8]] : !cir.ptr<!u8i>, %[[OFFSET]] : !s64i), !cir.ptr<!u8i> +// CIR: %[[ADJ_THIS_D:.+]] = cir.cast(bitcast, %[[ADJ_THIS_I8]] : !cir.ptr<!u8i>), !cir.ptr<!rec_Derived> +// CIR: %[[BASE_THIS:.+]] = cir.cast(bitcast, %[[ADJ_THIS_D]] : !cir.ptr<!rec_Derived>), !cir.ptr<!rec_Base> +// CIR: %[[BASE_VPTR_PTR:.+]] = cir.vtable.get_vptr %[[BASE_THIS]] : !cir.ptr<!rec_Base> -> !cir.ptr<!cir.vptr> +// CIR: %[[BASE_VPTR:.+]] = cir.load {{.*}} %[[BASE_VPTR_PTR]] : !cir.ptr<!cir.vptr>, !cir.vptr +// CIR: %[[SLOT_PTR:.+]] = cir.vtable.get_virtual_fn_addr %[[BASE_VPTR]][0] : !cir.vptr -> !cir.ptr<!cir.ptr<!cir.func<(!cir.ptr<!rec_Base>)>>> +// CIR: %[[FN:.+]] = cir.load {{.*}} %[[SLOT_PTR]] : !cir.ptr<!cir.ptr<!cir.func<(!cir.ptr<!rec_Base>)>>>, !cir.ptr<!cir.func<(!cir.ptr<!rec_Base>)>> +// CIR: cir.call %[[FN]](%[[BASE_THIS]]) : (!cir.ptr<!cir.func<(!cir.ptr<!rec_Base>)>>, !cir.ptr<!rec_Base>) -> () +// CIR: cir.return + +// CIR: cir.func {{.*}}@_Z1gv() { +// CIR: %[[DF:.+]] = cir.alloca !rec_DerivedFinal, !cir.ptr<!rec_DerivedFinal>, ["df", init] +// CIR: cir.call @_ZN12DerivedFinalC1Ev(%[[DF]]) nothrow : (!cir.ptr<!rec_DerivedFinal>) -> () +// CIR: %[[BASE_THIS_2:.+]] = cir.base_class_addr %[[DF]] : !cir.ptr<!rec_DerivedFinal> nonnull [0] -> !cir.ptr<!rec_Base> +// CIR: %[[BASE_VPTR_PTR_2:.+]] = cir.vtable.get_vptr %[[BASE_THIS_2]] : !cir.ptr<!rec_Base> -> !cir.ptr<!cir.vptr> +// CIR: %[[BASE_VPTR_2:.+]] = cir.load {{.*}} %[[BASE_VPTR_PTR_2]] : !cir.ptr<!cir.vptr>, !cir.vptr +// CIR: %[[SLOT_PTR_2:.+]] = cir.vtable.get_virtual_fn_addr %[[BASE_VPTR_2]][0] : !cir.vptr -> !cir.ptr<!cir.ptr<!cir.func<(!cir.ptr<!rec_Base>)>>> +// CIR: %[[FN_2:.+]] = cir.load {{.*}} %[[SLOT_PTR_2]] : !cir.ptr<!cir.ptr<!cir.func<(!cir.ptr<!rec_Base>)>>>, !cir.ptr<!cir.func<(!cir.ptr<!rec_Base>)>> +// CIR: cir.call %[[FN_2]](%[[BASE_THIS_2]]) : (!cir.ptr<!cir.func<(!cir.ptr<!rec_Base>)>>, !cir.ptr<!rec_Base>) -> () +// CIR: cir.return + +// LLVM: define {{.*}}void @_Z1fv() +// LLVM: %[[D:.+]] = alloca {{.*}} +// LLVM: call void @_ZN7DerivedC1Ev(ptr %[[D]]) +// LLVM: %[[VPTR_ADDR:.+]] = load ptr, ptr %[[D]] +// LLVM: %[[NEG32_PTR:.+]] = getelementptr i8, ptr %[[VPTR_ADDR]], i64 -32 +// LLVM: %[[OFF:.+]] = load i64, ptr %[[NEG32_PTR]] +// LLVM: %[[ADJ_THIS:.+]] = getelementptr i8, ptr %[[D]], i64 %[[OFF]] +// LLVM: %[[VFN_TAB:.+]] = load ptr, ptr %[[ADJ_THIS]] +// LLVM: %[[SLOT0:.+]] = getelementptr inbounds ptr, ptr %[[VFN_TAB]], i32 0 +// LLVM: %[[VFN:.+]] = load ptr, ptr %[[SLOT0]] +// LLVM: call void %[[VFN]](ptr %[[ADJ_THIS]]) +// LLVM: ret void + +// LLVM: define {{.*}}void @_Z1gv() +// LLVM: %[[DF:.+]] = alloca {{.*}} +// LLVM: call void @_ZN12DerivedFinalC1Ev(ptr %[[DF]]) +// LLVM: %[[VPTR2:.+]] = load ptr, ptr %[[DF]] +// LLVM: %[[SLOT0_2:.+]] = getelementptr inbounds ptr, ptr %[[VPTR2]], i32 0 +// LLVM: %[[VFN2:.+]] = load ptr, ptr %[[SLOT0_2]] +// LLVM: call void %[[VFN2]](ptr %[[DF]]) +// LLVM: ret void + +// OGCG: define {{.*}}void @_Z1fv() +// OGCG: %[[D:.+]] = alloca {{.*}} +// OGCG: call void @_ZN7DerivedC1Ev(ptr {{.*}} %[[D]]) +// OGCG: %[[VTABLE:.+]] = load ptr, ptr %[[D]] +// OGCG: %[[NEG32_PTR:.+]] = getelementptr i8, ptr %[[VTABLE]], i64 -32 +// OGCG: %[[OFF:.+]] = load i64, ptr %[[NEG32_PTR]] +// OGCG: %[[ADJ_THIS:.+]] = getelementptr inbounds i8, ptr %[[D]], i64 %[[OFF]] +// OGCG: call void @_ZN4Base1fEv(ptr {{.*}} %[[ADJ_THIS]]) +// OGCG: ret void + +// OGCG: define {{.*}}void @_Z1gv() +// OGCG: %[[DF:.+]] = alloca {{.*}} +// OGCG: call void @_ZN12DerivedFinalC1Ev(ptr {{.*}} %[[DF]]) +// OGCG: call void @_ZN4Base1fEv(ptr {{.*}} %[[DF]]) +// OGCG: ret void + // Constructor for B // CIR: cir.func comdat linkonce_odr @_ZN1BC1Ev(%arg0: !cir.ptr<!rec_B> // CIR: %[[THIS_ADDR:.*]] = cir.alloca !cir.ptr<!rec_B>, !cir.ptr<!cir.ptr<!rec_B>>, ["this", init] |