[llvm] 1ed53d4 - [LoopFlatten] Do not report CFG analyses as up-to-date

[Yevgeny Rouban via llvm-commits]

Author: Yevgeny Rouban
Date: 2021-04-01T15:52:36+07:00
New Revision: 1ed53d44d8e9d709fcd96cc6cfc579d71ba4c894

URL: https://github.com/llvm/llvm-project/commit/1ed53d44d8e9d709fcd96cc6cfc579d71ba4c894
DIFF: https://github.com/llvm/llvm-project/commit/1ed53d44d8e9d709fcd96cc6cfc579d71ba4c894.diff

LOG: [LoopFlatten] Do not report CFG analyses as up-to-date

Removes CFGAnalyses from the preserved analyses set
returned by LoopFlattenPass::run().

Reviewed By: Dave Green, Ta-Wei Tu

Differential Revision: https://reviews.llvm.org/D99700

Added: 
    

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

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Transforms/Scalar/LoopFlatten.cpp b/llvm/lib/Transforms/Scalar/LoopFlatten.cpp
index 5b5196529734..4eea953ec814 100644
--- a/llvm/lib/Transforms/Scalar/LoopFlatten.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopFlatten.cpp
@@ -682,9 +682,7 @@ PreservedAnalyses LoopFlattenPass::run(Function &F,
   if (!Flatten(DT, LI, SE, AC, TTI))
     return PreservedAnalyses::all();
 
-  PreservedAnalyses PA;
-  PA.preserveSet<CFGAnalyses>();
-  return PA;
+  return PreservedAnalyses::none();
 }
 
 namespace {