================
@@ -0,0 +1,179 @@
+// RUN: %clang_cc1 -triple x86_64-win32 -fms-extensions -emit-llvm -o - %s | \
+// RUN: FileCheck %s --check-prefixes=MSC --implicit-check-not=to_be_
--implicit-check-not=" dllexport"
+// RUN: %clang_cc1 -triple x86_64-mingw -emit-llvm -o - %s | \
+// RUN: FileCheck %s --check-prefixes=GNU --implicit-check-not=to_be_
--implicit-check-not=" dllexport"
+// RUN: %clang_cc1 -triple x86_64-cygwin -emit-llvm -o - %s | \
+// RUN: FileCheck %s --check-prefixes=GNU --implicit-check-not=to_be_
--implicit-check-not=" dllexport"
+
+// Test that __declspec(dllexport) doesn't instantiate entities marked with
+// the exclude_from_explicit_instantiation attribute unless marked as
dllexport explicitly.
+
+#define EXCLUDE_ATTR __attribute__((exclude_from_explicit_instantiation))
+
+struct NoAttrTag {};
+struct WithExportTag {};
+struct ImplicitTag {};
+
+template <class T>
+struct BasicCase {
+ // This will be instantiated explicitly as an exported function because it
+ // inherits dllexport from the class instantiation.
+ void to_be_exported();
+
+ // This will be instantiated implicitly as an exported function because it is
+ // marked as dllexport explicitly.
+ EXCLUDE_ATTR __declspec(dllexport) void to_be_memberwise_exported();
----------------
kikairoya wrote:
I noticed that this method is instantiated by an explicit instantiation with
dllexport, though emitted at the bottom of the module.
The logic should be revised further...
https://github.com/llvm/llvm-project/pull/168171
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