From f3aba255f6d69ddbf255b33d0eb0f391908e60a8 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 12 Jul 2023 19:55:41 -0700
Subject: Pool inst worklists and hashsets to avoid rehashing. (#2982)

Co-authored-by: Yong He <yhe@nvidia.com>
---
 source/slang/slang-ir-constexpr.cpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

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

diff --git a/source/slang/slang-ir-constexpr.cpp b/source/slang/slang-ir-constexpr.cpp
index 1174a53ae..1d6fd163c 100644
--- a/source/slang/slang-ir-constexpr.cpp
+++ b/source/slang/slang-ir-constexpr.cpp
@@ -15,8 +15,14 @@ struct PropagateConstExprContext
 
     IRBuilder builder;
 
-    List<IRInst*> workList;
-    HashSet<IRInst*> onWorkList;
+    InstWorkList workList;
+    InstHashSet onWorkList;
+
+    PropagateConstExprContext(IRModule* module)
+        : module(module)
+        , workList(module)
+        , onWorkList(module)
+    {}
 
     IRBuilder* getBuilder() { return &builder; }
 
@@ -497,8 +503,7 @@ void propagateConstExpr(
     IRModule*       module,
     DiagnosticSink* sink)
 {
-    PropagateConstExprContext context;
-    context.module = module;
+    PropagateConstExprContext context(module);
     context.sink = sink;
     context.builder = IRBuilder(module);
 
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