05861b39ba
Close https://github.com/llvm/llvm-project/issues/123719 The reason is, we thought the external explicit template instantiation declaration as the external definition incorrectly.
35 lines
862 B
C++
35 lines
862 B
C++
// RUN: rm -rf %t
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// RUN: mkdir %t
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// RUN: split-file %s %t
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// RUN: %clang_cc1 -std=c++20 %t/a.cppm -triple %itanium_abi_triple -emit-module-interface -o %t/a.pcm
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// RUN: %clang_cc1 -std=c++20 %t/a.cc -triple %itanium_abi_triple -fmodule-file=a=%t/a.pcm -emit-llvm -o - | FileCheck %t/a.cc
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//
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// RUN: %clang_cc1 -std=c++20 %t/a.cppm -triple %itanium_abi_triple -emit-reduced-module-interface -o %t/a.pcm
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// RUN: %clang_cc1 -std=c++20 %t/a.cc -triple %itanium_abi_triple -fmodule-file=a=%t/a.pcm -emit-llvm -o - | FileCheck %t/a.cc
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//--- a.cppm
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export module a;
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class base {
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public:
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~base() = default;
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virtual void foo();
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};
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template <class T>
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class a : public base {
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public:
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virtual void foo() override;
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};
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extern template class a<int>;
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//--- a.cc
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module a;
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template <class T>
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void a<T>::foo() {}
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template class a<int>;
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// CHECK: _ZTVW1a1aIiE
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