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28 lines
818 B
28 lines
818 B
4 months ago
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// RUN: %clang_cc1 -std=c++20 %s -emit-llvm -o - -triple %itanium_abi_triple | FileCheck %s --implicit-check-not=DoNotEmit
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// constexpr virtual functions can be called at runtime and go in the vtable as
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// normal. But they are implicitly inline so are never the key function.
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struct DoNotEmit {
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virtual constexpr void f();
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};
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constexpr void DoNotEmit::f() {}
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// CHECK-DAG: @_ZTV1B = {{.*}} constant { [3 x i8*] } { {{.*}} null, {{.*}} @_ZTI1B {{.*}} @_ZN1B1fEv
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struct B {
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// CHECK-DAG: define {{.*}} @_ZN1B1fEv
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virtual constexpr void f() {}
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};
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B b;
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struct CBase {
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virtual constexpr void f(); // not key function
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};
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// CHECK-DAG: @_ZTV1C = {{.*}} constant {{.*}} null, {{.*}} @_ZTI1C {{.*}} @_ZN1C1fEv
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struct C : CBase {
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void f(); // key function
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};
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// CHECK-DAG: define {{.*}} @_ZN1C1fEv
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void C::f() {}
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