84216d1735
This is a continuation of https://reviews.llvm.org/D155713 Fixes https://github.com/llvm/llvm-project/issues/40363
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
// RUN: %clang_cc1 -triple x86_64-unknown-windows -fms-extensions -emit-llvm -O0 -o - %s | FileCheck %s
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// Test that dllimport and exclude_from_explicit_instantiation work properly
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// together. Specifically, we check that when exclude_from_explicit_instantiation
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// is used on a method, the compiler doesn't expect it to be provided externally
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// even if it is marked with dllimport.
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//
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// https://github.com/llvm/llvm-project/issues/40363
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#define DLLIMPORT __declspec(dllimport)
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#define DLLEXPORT __declspec(dllexport)
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#define EXCLUDE_FROM_EXPLICIT_INSTANTIATION __attribute__((exclude_from_explicit_instantiation))
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template <class T>
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struct DLLIMPORT Foo {
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EXCLUDE_FROM_EXPLICIT_INSTANTIATION void x() {}
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};
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template <class T>
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struct Bar {
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EXCLUDE_FROM_EXPLICIT_INSTANTIATION void x() {}
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};
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extern template struct Foo<int>;
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extern template struct DLLIMPORT Bar<int>;
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template <class T>
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struct Baz {
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EXCLUDE_FROM_EXPLICIT_INSTANTIATION void f() {}
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};
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template struct DLLEXPORT Baz<int>;
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void test(Foo<int>& foo, Bar<int>& bar, Baz<int>& baz) {
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// Not imported.
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// CHECK-DAG: define linkonce_odr dso_local void @"?x@?$Foo@H@@QEAAXXZ"
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foo.x();
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// Not imported.
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// CHECK-DAG: define linkonce_odr dso_local void @"?x@?$Bar@H@@QEAAXXZ"
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bar.x();
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// Not exported.
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// CHECK-DAG: define linkonce_odr dso_local void @"?f@?$Baz@H@@QEAAXXZ"
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baz.f();
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}
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