From a2d90fb275962da84611160f8ddd74d934a68dbd Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Fri, 4 Aug 2023 15:47:39 -0700
Subject: Redesign `DeclRef` and systematic `Val` deduplication (#3049)

* Redesign DeclRef + Deduplicate Val.

* Update project files

* Fix warning.

* Fix.

* Fix.

* Remove `Val::_equalsImplOverride`.

* Rmove `Val::_getHashCodeOverride`.

* Remove `semanticVisitor` param from `resolve`.

* Cleanups.

---------

Co-authored-by: Yong He <yhe@nvidia.com>
---
 source/slang/slang-ast-modifier.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

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

diff --git a/source/slang/slang-ast-modifier.cpp b/source/slang/slang-ast-modifier.cpp
index 3daa9b056..84046a601 100644
--- a/source/slang/slang-ast-modifier.cpp
+++ b/source/slang/slang-ast-modifier.cpp
@@ -4,5 +4,10 @@
 
 namespace Slang
 {
-
+const OrderedDictionary<DeclRefBase*, SubtypeWitness*>& DifferentiableAttribute::getMapTypeToIDifferentiableWitness()
+{
+    for (Index i = m_mapToIDifferentiableWitness.getCount(); i < m_typeToIDifferentiableWitnessMappings.getCount(); i++)
+        m_mapToIDifferentiableWitness.add(m_typeToIDifferentiableWitnessMappings[i].key, m_typeToIDifferentiableWitnessMappings[i].value);
+    return m_mapToIDifferentiableWitness;
+}
 } // namespace Slang
-- 
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