From fa8c11ebe8f9b1bf2174a5a4dbe92a34c16811c8 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 12 Jun 2024 09:27:14 -0700
Subject: Add option to preserve shader parameter declaration in output SPIRV.
 (#4344)

* Add option to preserve shader parameter declarations in output.

* Add test.
---
 source/slang/slang-ir-dce.cpp | 2 ++
 1 file changed, 2 insertions(+)

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

diff --git a/source/slang/slang-ir-dce.cpp b/source/slang/slang-ir-dce.cpp
index 4eefeabd5..f414f7266 100644
--- a/source/slang/slang-ir-dce.cpp
+++ b/source/slang/slang-ir-dce.cpp
@@ -423,6 +423,8 @@ bool shouldInstBeLiveIfParentIsLive(IRInst* inst, IRDeadCodeEliminationOptions o
     case kIROp_WitnessTableEntry:
         return true;
 
+    case kIROp_GlobalParam:
+        return options.keepGlobalParamsAlive;
     default:
         break;
     }
-- 
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