From 1d4b5b6fd2433a10cc7ab87626cb560f54b0acbb Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Sun, 3 Sep 2023 12:56:31 -0700
Subject: Proper lowering of functiosn that returns NonCopyable values. (#3179)

* Proper lowering of functiosn that returns NonCopyable values.

* Fix tests.

* Fix clang errors.

* Fix.

* Fix clang error.

---------

Co-authored-by: Yong He <yhe@nvidia.com>
---
 source/slang/slang-ast-type.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'source/slang/slang-ast-type.cpp')

diff --git a/source/slang/slang-ast-type.cpp b/source/slang/slang-ast-type.cpp
index 9704b4c87..f80de86fd 100644
--- a/source/slang/slang-ast-type.cpp
+++ b/source/slang/slang-ast-type.cpp
@@ -796,4 +796,14 @@ Type* removeParamDirType(Type* type)
     return type;
 }
 
+bool isNonCopyableType(Type* type)
+{
+    auto declRefType = as<DeclRefType>(type);
+    if (!declRefType)
+        return false;
+    if (declRefType->getDeclRef().getDecl()->findModifier<NonCopyableTypeAttribute>())
+        return true;
+    return false;
+}
+
 } // namespace Slang
-- 
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