1 files changed, 7 insertions, 0 deletions
diff --git a/source/slang/ir.h b/source/slang/ir.h
index 2e15e39d6..12dc08e13 100644
--- a/source/slang/ir.h
+++ b/source/slang/ir.h
@@ -93,6 +93,8 @@ struct IRUse
     IRUse** prevLink;
 
     void init(IRUser* user, IRValue* usedValue);
+    void set(IRValue* usedValue);
+    void clear();
 };
 
 enum IRDecorationOp : uint16_t
@@ -255,6 +257,11 @@ struct IRUser : IRChildValue
     {
         return getArgs()[index].usedValue;
     }
+
+    void setArg(UInt index, IRValue* value)
+    {
+        getArgs()[index].set(value);
+    }
 };
 
 // Instructions are values that are children of a basic block,