From 5af36cf4ca7a81d91fb03cdf39e40b6b4175fa2d Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Tue, 21 Nov 2023 17:22:41 -0800
Subject: Add SPIRV intrinsics for texture footprint query. (#3345)

* Add SPIRV intrinsics for texture footprint query.

* Cleanup.

---------

Co-authored-by: Yong He <yhe@nvidia.com>
---
 source/slang/slang-check-stmt.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'source/slang/slang-check-stmt.cpp')

diff --git a/source/slang/slang-check-stmt.cpp b/source/slang/slang-check-stmt.cpp
index bbe3e51bd..b2c58ccc7 100644
--- a/source/slang/slang-check-stmt.cpp
+++ b/source/slang/slang-check-stmt.cpp
@@ -267,9 +267,14 @@ namespace Slang
     void SemanticsStmtVisitor::visitTargetSwitchStmt(TargetSwitchStmt* stmt)
     {
         WithOuterStmt subContext(this, stmt);
-
+        HashSet<Stmt*> checkedStmt;
         for (auto caseStmt : stmt->targetCases)
+        {
+            if (checkedStmt.contains(caseStmt->body))
+                continue;
             subContext.checkStmt(caseStmt);
+            checkedStmt.add(caseStmt->body);
+        }
     }
 
     void SemanticsStmtVisitor::visitTargetCaseStmt(TargetCaseStmt* stmt)
-- 
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