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b4afc533f7
Summary: This patch teaches SCEV to calculate the maxBECount when the end bound of the loop can vary. Note that we cannot calculate the exactBECount. This will only be done when both conditions are satisfied: 1. the loop termination condition is strictly LT. 2. the IV is proven to not overflow. This provides more information to users of SCEV and can be used to improve identification of finite loops. Reviewers: sanjoy, mkazantsev, silviu.baranga, atrick Reviewed by: mkazantsev Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D38825 llvm-svn: 315683 |
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| .. | ||
| AliasSet | ||
| AssumptionCache | ||
| BasicAA | ||
| BlockFrequencyInfo | ||
| BranchProbabilityInfo | ||
| CallGraph | ||
| CFLAliasAnalysis | ||
| ConstantFolding | ||
| CostModel | ||
| Delinearization | ||
| DemandedBits | ||
| DependenceAnalysis | ||
| DivergenceAnalysis | ||
| DominanceFrontier | ||
| Dominators | ||
| GlobalsModRef | ||
| IVUsers | ||
| LazyCallGraph | ||
| LazyValueAnalysis | ||
| Lint | ||
| LoopAccessAnalysis | ||
| LoopInfo | ||
| MemoryDependenceAnalysis | ||
| MemorySSA | ||
| PostDominators | ||
| ProfileSummary | ||
| RegionInfo | ||
| ScalarEvolution | ||
| ScopedNoAliasAA | ||
| TypeBasedAliasAnalysis | ||
| ValueTracking | ||
| alias-analysis-uses.ll | ||