Remove macro guards for extern template instantiations.

[oota-llvm.git] / include / llvm / Support / Compiler.h

diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h
index 67ef23d43c99a0c1c9afe50260731039d1ef81ca..141639839cc2d2f088b88b9bb275173694268fd4 100644 (file)
--- a/include/llvm/Support/Compiler.h
+++ b/include/llvm/Support/Compiler.h
@@ -174,19 +174,6 @@
 #define LLVM_UNLIKELY(EXPR) (EXPR)
 #endif
 
-// C++ doesn't support 'extern template' of template specializations.  GCC does,
-// but requires __extension__ before it.  In the header, use this:
-//   EXTERN_TEMPLATE_INSTANTIATION(class foo<bar>);
-// in the .cpp file, use this:
-//   TEMPLATE_INSTANTIATION(class foo<bar>);
-#ifdef __GNUC__
-#define EXTERN_TEMPLATE_INSTANTIATION(X) __extension__ extern template X
-#define TEMPLATE_INSTANTIATION(X) template X
-#else
-#define EXTERN_TEMPLATE_INSTANTIATION(X)
-#define TEMPLATE_INSTANTIATION(X)
-#endif
-
 /// LLVM_ATTRIBUTE_NOINLINE - On compilers where we have a directive to do so,
 /// mark a method "not for inlining".
 #if __has_attribute(noinline) || LLVM_GNUC_PREREQ(3, 4, 0)