31 lines
1.3 KiB
C++
31 lines
1.3 KiB
C++
// Check the layout of the vtable for a child class that inherits a virtual
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// function but does override it.
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// RUN: %clang_cc1 -no-opaque-pointers %s -triple=aarch64-unknown-fuchsia -O1 -S -o - -emit-llvm -fhalf-no-semantic-interposition | FileCheck %s
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// CHECK: @_ZTV1B.local = private unnamed_addr constant { [4 x i32] } { [4 x i32] [i32 0, i32 trunc (i64 sub (i64 ptrtoint ({ i8*, i8*, i8* }** @_ZTI1B.rtti_proxy to i64), i64 ptrtoint (i32* getelementptr inbounds ({ [4 x i32] }, { [4 x i32] }* @_ZTV1B.local, i32 0, i32 0, i32 2) to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (void (%class.B*)* dso_local_equivalent @_ZN1B3fooEv to i64), i64 ptrtoint (i32* getelementptr inbounds ({ [4 x i32] }, { [4 x i32] }* @_ZTV1B.local, i32 0, i32 0, i32 2) to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (void (%class.B*)* dso_local_equivalent @_ZN1B3barEv to i64), i64 ptrtoint (i32* getelementptr inbounds ({ [4 x i32] }, { [4 x i32] }* @_ZTV1B.local, i32 0, i32 0, i32 2) to i64)) to i32)] }, align 4
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// CHECK: @_ZTV1B ={{.*}} unnamed_addr alias { [4 x i32] }, { [4 x i32] }* @_ZTV1B.local
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class A {
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public:
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virtual void foo();
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};
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class B : public A {
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public:
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void foo() override;
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virtual void bar();
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};
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void A::foo() {}
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void B::foo() {}
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void A_foo(A *a) {
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a->foo();
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}
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void B_foo(B *b) {
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b->foo();
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}
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