1 files changed, 12 insertions, 0 deletions
diff --git a/source/slang/slang-ir.cpp b/source/slang/slang-ir.cpp
index 3e96d61eb..b6d000d20 100644
--- a/source/slang/slang-ir.cpp
+++ b/source/slang/slang-ir.cpp
@@ -8530,6 +8530,18 @@ namespace Slang
         return nullptr;
     }
 
+    bool hasDescendent(IRInst* inst, IRInst* child)
+    {
+        auto parent = child->getParent();
+        while (parent)
+        {
+            if (inst == parent)
+                return true;
+            parent = parent->getParent();
+        }
+        return false;
+    }
+
     IRInst* getGenericReturnVal(IRInst* inst)
     {
         if (auto gen = as<IRGeneric>(inst))