From d52376a65f37fcbbb67428b917fd3819436b6dfb Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Tue, 2 May 2023 20:29:38 -0700
Subject: Various dxc/fxc compatibility fixes. (#2863)

* Various dxc/fxc compatibility fixes.

* Cleanup.

* Fix test cases.

* Fix comments.

---------

Co-authored-by: Yong He <yhe@nvidia.com>
---
 source/slang/slang-ir-util.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'source/slang/slang-ir-util.cpp')

diff --git a/source/slang/slang-ir-util.cpp b/source/slang/slang-ir-util.cpp
index 95240a26c..506e96c81 100644
--- a/source/slang/slang-ir-util.cpp
+++ b/source/slang/slang-ir-util.cpp
@@ -430,6 +430,11 @@ bool canInstHaveSideEffectAtAddress(IRGlobalValueWithCode* func, IRInst* inst, I
         if (canAddressesPotentiallyAlias(func, as<IRStore>(inst)->getPtr(), addr))
             return true;
         break;
+    case kIROp_SwizzledStore:
+        // If the target of the swizzled store inst may overlap addr, return true.
+        if (canAddressesPotentiallyAlias(func, as<IRSwizzledStore>(inst)->getDest(), addr))
+            return true;
+        break;
     case kIROp_Call:
         {
             auto call = as<IRCall>(inst);
-- 
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