diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2020-07-26 19:36:28 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2020-07-26 19:36:28 +0000 |
commit | cfca06d7963fa0909f90483b42a6d7d194d01e08 (patch) | |
tree | 209fb2a2d68f8f277793fc8df46c753d31bc853b /llvm/lib/Analysis/OptimizationRemarkEmitter.cpp | |
parent | 706b4fc47bbc608932d3b491ae19a3b9cde9497b (diff) |
Notes
Diffstat (limited to 'llvm/lib/Analysis/OptimizationRemarkEmitter.cpp')
-rw-r--r-- | llvm/lib/Analysis/OptimizationRemarkEmitter.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Analysis/OptimizationRemarkEmitter.cpp b/llvm/lib/Analysis/OptimizationRemarkEmitter.cpp index 44e6637f6337..2cdf7a177216 100644 --- a/llvm/lib/Analysis/OptimizationRemarkEmitter.cpp +++ b/llvm/lib/Analysis/OptimizationRemarkEmitter.cpp @@ -36,8 +36,7 @@ OptimizationRemarkEmitter::OptimizationRemarkEmitter(const Function *F) LI.analyze(DT); // Then compute BranchProbabilityInfo. - BranchProbabilityInfo BPI; - BPI.calculate(*F, LI); + BranchProbabilityInfo BPI(*F, LI); // Finally compute BFI. OwnedBFI = std::make_unique<BlockFrequencyInfo>(*F, BPI, LI); @@ -47,6 +46,10 @@ OptimizationRemarkEmitter::OptimizationRemarkEmitter(const Function *F) bool OptimizationRemarkEmitter::invalidate( Function &F, const PreservedAnalyses &PA, FunctionAnalysisManager::Invalidator &Inv) { + if (OwnedBFI.get()) { + OwnedBFI.reset(); + BFI = nullptr; + } // This analysis has no state and so can be trivially preserved but it needs // a fresh view of BFI if it was constructed with one. if (BFI && Inv.invalidate<BlockFrequencyAnalysis>(F, PA)) |