From 6cdf20ea854176c608c80983daccd91dd6d8073a Mon Sep 17 00:00:00 2001
From: eastb233 <xiezhiheng@huawei.com>
Date: Wed, 3 Sep 2025 10:10:58 +0800
Subject: [PATCH] [LoopDataPrefetch] Remove preserved analysis info

Since newly added features may clone loops/loads/BB etc,
do not preserve analysis info.
---
 llvm/lib/Transforms/Scalar/LoopDataPrefetch.cpp | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/llvm/lib/Transforms/Scalar/LoopDataPrefetch.cpp b/llvm/lib/Transforms/Scalar/LoopDataPrefetch.cpp
index dde7de406c58..ea3d7582f808 100644
--- a/llvm/lib/Transforms/Scalar/LoopDataPrefetch.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopDataPrefetch.cpp
@@ -241,17 +241,12 @@ public:
 
   void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.addRequired<AAResultsWrapperPass>();
-    AU.addPreserved<AAResultsWrapperPass>();
     AU.addRequired<AssumptionCacheTracker>();
     AU.addRequired<DominatorTreeWrapperPass>();
-    AU.addPreserved<DominatorTreeWrapperPass>();
     AU.addRequired<LoopInfoWrapperPass>();
-    AU.addPreserved<LoopInfoWrapperPass>();
     AU.addRequiredID(LoopSimplifyID);
-    AU.addPreservedID(LoopSimplifyID);
     AU.addRequired<OptimizationRemarkEmitterWrapperPass>();
     AU.addRequired<ScalarEvolutionWrapperPass>();
-    AU.addPreserved<ScalarEvolutionWrapperPass>();
     AU.addRequired<TargetTransformInfoWrapperPass>();
   }
 
-- 
Gitee