From a4919e3e16d6958b70d665ed682aae910ecf1d4b Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Fri, 1 Mar 2024 16:11:43 -0800
Subject: Enable debug info for swizzledStore. (#3659)

---
 source/slang/slang-ir-insert-debug-value-store.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'source')

diff --git a/source/slang/slang-ir-insert-debug-value-store.cpp b/source/slang/slang-ir-insert-debug-value-store.cpp
index 6243e6c09..004598b5d 100644
--- a/source/slang/slang-ir-insert-debug-value-store.cpp
+++ b/source/slang/slang-ir-insert-debug-value-store.cpp
@@ -130,6 +130,18 @@ namespace Slang
                         setDebugValue(debugVar, varInst, storeInst->getVal(), accessChain.getArrayView());
                     }
                 }
+                else if (auto swizzledStore = as<IRSwizzledStore>(inst))
+                {
+                    List<IRInst*> accessChain;
+                    auto varInst = getRootAddr(swizzledStore->getDest(), accessChain);
+                    IRInst* debugVar = nullptr;
+                    if (mapVarToDebugVar.tryGetValue(varInst, debugVar))
+                    {
+                        builder.setInsertAfter(swizzledStore);
+                        auto loadVal = builder.emitLoad(swizzledStore->getDest());
+                        setDebugValue(debugVar, varInst, loadVal, accessChain.getArrayView());
+                    }
+                }
                 else if (auto callInst = as<IRCall>(inst))
                 {
                     auto funcValue = getResolvedInstForDecorations(callInst->getCallee());
-- 
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