diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopInterchange.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopInterchange.cpp b/llvm/lib/Transforms/Scalar/LoopInterchange.cpp index cf0e64521cb..38c9396b954 100644 --- a/llvm/lib/Transforms/Scalar/LoopInterchange.cpp +++ b/llvm/lib/Transforms/Scalar/LoopInterchange.cpp @@ -454,6 +454,7 @@ struct LoopInterchange : public FunctionPass { AU.addPreserved<DominatorTreeWrapperPass>(); AU.addPreserved<LoopInfoWrapperPass>(); + AU.addPreserved<ScalarEvolutionWrapperPass>(); } bool runOnFunction(Function &F) override { @@ -1231,6 +1232,10 @@ void LoopInterchangeTransform::restructureLoops( // outer loop. NewOuter->addBlockEntry(OrigOuterPreHeader); LI->changeLoopFor(OrigOuterPreHeader, NewOuter); + + // Tell SE that we move the loops around. + SE->forgetLoop(NewOuter); + SE->forgetLoop(NewInner); } bool LoopInterchangeTransform::transform() { |
