diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopPredication.cpp')
-rw-r--r-- | llvm/lib/Transforms/Scalar/LoopPredication.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopPredication.cpp b/llvm/lib/Transforms/Scalar/LoopPredication.cpp index d87c775..4f83205 100644 --- a/llvm/lib/Transforms/Scalar/LoopPredication.cpp +++ b/llvm/lib/Transforms/Scalar/LoopPredication.cpp @@ -358,11 +358,13 @@ Pass *llvm::createLoopPredicationPass() { PreservedAnalyses LoopPredicationPass::run(Loop &L, LoopAnalysisManager &AM, LoopStandardAnalysisResults &AR, LPMUpdater &U) { - const auto &FAM = - AM.getResult<FunctionAnalysisManagerLoopProxy>(L, AR).getManager(); Function *F = L.getHeader()->getParent(); - auto *BPI = FAM.getCachedResult<BranchProbabilityAnalysis>(*F); - LoopPredication LP(&AR.AA, &AR.DT, &AR.SE, &AR.LI, BPI); + // For the new PM, we also can't use BranchProbabilityInfo as an analysis + // pass. Function analyses need to be preserved across loop transformations + // but BPI is not preserved, hence a newly built one is needed. + BranchProbabilityInfo BPI; + BPI.calculate(*F, AR.LI); + LoopPredication LP(&AR.AA, &AR.DT, &AR.SE, &AR.LI, &BPI); if (!LP.runOnLoop(&L)) return PreservedAnalyses::all(); |