[llvm] e97524c - [DFAJumpThreading] Mark DT as preserved in LegacyPM

[Nikita Popov via llvm-commits]

Author: Nikita Popov
Date: 2021-08-02T21:13:30+02:00
New Revision: e97524cba2825ed412cd57a95a82c12ab439e171

URL: https://github.com/llvm/llvm-project/commit/e97524cba2825ed412cd57a95a82c12ab439e171
DIFF: https://github.com/llvm/llvm-project/commit/e97524cba2825ed412cd57a95a82c12ab439e171.diff

LOG: [DFAJumpThreading] Mark DT as preserved in LegacyPM

It is marked as preserved in NewPM, but not LegacyPM.

Added: 
    

Modified: 
    llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp b/llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp
index 90679bcac4b70..c461d14046724 100644
--- a/llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp
+++ b/llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp
@@ -174,6 +174,7 @@ class DFAJumpThreadingLegacyPass : public FunctionPass {
   void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.addRequired<AssumptionCacheTracker>();
     AU.addRequired<DominatorTreeWrapperPass>();
+    AU.addPreserved<DominatorTreeWrapperPass>();
     AU.addRequired<TargetTransformInfoWrapperPass>();
     AU.addRequired<OptimizationRemarkEmitterWrapperPass>();
   }