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-deduplicate.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

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

diff --git a/source/slang/slang-ir-deduplicate.cpp b/source/slang/slang-ir-deduplicate.cpp
index 8db57b3f3..4579ae42b 100644
--- a/source/slang/slang-ir-deduplicate.cpp
+++ b/source/slang/slang-ir-deduplicate.cpp
@@ -13,8 +13,8 @@ namespace Slang
 
     void IRDeduplicationContext::removeHoistableInstFromGlobalNumberingMap(IRInst* instToRemove)
     {
-        HashSet<IRInst*> userWorkListSet;
-        List<IRInst*> userWorkList;
+        InstHashSet userWorkListSet(instToRemove->getModule());
+        InstWorkList userWorkList(instToRemove->getModule());
         auto addToWorkList = [&](IRInst* i)
         {
             if (userWorkListSet.add(i))
@@ -37,8 +37,8 @@ namespace Slang
 
     void IRDeduplicationContext::tryHoistInst(IRInst* inst)
     {
-        List<IRInst*> workList;
-        HashSet<IRInst*> workListSet;
+        InstWorkList workList(inst->getModule());
+        InstHashSet workListSet(inst->getModule());
         workList.add(inst);
         workListSet.add(inst);
         IRBuilder builder(inst->getModule());
-- 
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