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Summary: (... while still not using a PostDomTree) The way we use isKnownNotFullPoison from SCEV today, the new CFG walking logic will not trigger for any realistic cases -- it will kick in only for situations where we could have merged the contiguous basic blocks anyway[0], since the poison generating instruction dominates all of its non-PHI uses (which are the only uses we consider right now). However, having this change in place will allow a later bugfix to break fewer llvm-lit tests. [0]: i.e. cases where block A branches to block B and B is A's only successor and A is B's only predecessor. Reviewers: broune, bjarke.roune Subscribers: mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D19212 llvm-svn: 267175 |
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| .. | ||
| AssumptionCache | ||
| BasicAA | ||
| BlockFrequencyInfo | ||
| BranchProbabilityInfo | ||
| CallGraph | ||
| CFLAliasAnalysis | ||
| CostModel | ||
| Delinearization | ||
| DemandedBits | ||
| DependenceAnalysis | ||
| DivergenceAnalysis | ||
| DominanceFrontier | ||
| Dominators | ||
| GlobalsModRef | ||
| LazyCallGraph | ||
| Lint | ||
| LoopAccessAnalysis | ||
| LoopInfo | ||
| MemoryDependenceAnalysis | ||
| PostDominators | ||
| RegionInfo | ||
| ScalarEvolution | ||
| ScopedNoAliasAA | ||
| TypeBasedAliasAnalysis | ||
| ValueTracking | ||
| alias-analysis-uses.ll | ||