From 1a0bbb53c116e6e5f89ed577803341e6aa1bce82 Mon Sep 17 00:00:00 2001
From: ArielG-NV <159081215+ArielG-NV@users.noreply.github.com>
Date: Fri, 12 Jul 2024 11:46:38 -0400
Subject: use `nullptr' for IRStructKey with `IRDerivativeMemberDecoration`
 (#4623)

---
 source/slang/slang-emit.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'source')

diff --git a/source/slang/slang-emit.cpp b/source/slang/slang-emit.cpp
index 243dd65e8..d3f6ebd8d 100644
--- a/source/slang/slang-emit.cpp
+++ b/source/slang/slang-emit.cpp
@@ -292,6 +292,7 @@ void calcRequiredLoweringPassSet(RequiredLoweringPassSet& result, CodeGenContext
     case kIROp_BackwardDifferentiate:
     case kIROp_ForwardDifferentiate:
     case kIROp_MakeDifferentialPairUserCode:
+    case kIROp_DerivativeMemberDecoration:
         result.autodiff = true;
         break;
     case kIROp_VerticesType:
-- 
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