diff options
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 44e6637f63377..2cdf7a1772169 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)) |