From 4adc64f2a033ec141df6a16e65131612b30fb23b Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Fri, 13 Jan 2023 11:48:54 -0800
Subject: Frontend work for `[BackwardDerivative]` and
 `[BackwardDerivativeOf]`. (#2589)

* Frontend work for `[BackwardDerivative]` and `[BackwardDerivativeOf]`.

* Fix clang issue.

* Fix.

* fix gcc issue

* fix formatting.

Co-authored-by: Yong He <yhe@nvidia.com>
---
 source/slang/slang-check-modifier.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'source/slang/slang-check-modifier.cpp')

diff --git a/source/slang/slang-check-modifier.cpp b/source/slang/slang-check-modifier.cpp
index 9742e69bb..f505b1321 100644
--- a/source/slang/slang-check-modifier.cpp
+++ b/source/slang/slang-check-modifier.cpp
@@ -635,7 +635,7 @@ namespace Slang
             diffExpr->type.type = nullptr;
             forwardDerivativeAttr->funcExpr = diffExpr;
         }
-        else if (auto forwardDerivativeOfAttr = as<ForwardDerivativeOfAttribute>(attr))
+        else if (auto derivativeOfAttr = as<DerivativeOfAttribute>(attr))
         {
             SLANG_ASSERT(attr->args.getCount() == 1);
             SLANG_ASSERT(as<Decl>(attrTarget));
@@ -648,7 +648,7 @@ namespace Slang
                 getSink()->diagnose(primalFunc, Slang::Diagnostics::invalidCustomDerivative, as<Decl>(attrTarget));
                 return false;
             }
-            forwardDerivativeOfAttr->funcExpr = primalFunc;
+            derivativeOfAttr->funcExpr = primalFunc;
         }
         else if (auto comInterfaceAttr = as<ComInterfaceAttribute>(attr))
         {
-- 
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