diff options
Diffstat (limited to 'include/llvm/Analysis/DependenceAnalysis.h')
| -rw-r--r-- | include/llvm/Analysis/DependenceAnalysis.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/include/llvm/Analysis/DependenceAnalysis.h b/include/llvm/Analysis/DependenceAnalysis.h index 279755e..1041e3f 100644 --- a/include/llvm/Analysis/DependenceAnalysis.h +++ b/include/llvm/Analysis/DependenceAnalysis.h @@ -287,9 +287,9 @@ namespace llvm { /// The flag PossiblyLoopIndependent should be set by the caller /// if it appears that control flow can reach from Src to Dst /// without traversing a loop back edge. - Dependence *depends(Instruction *Src, - Instruction *Dst, - bool PossiblyLoopIndependent); + std::unique_ptr<Dependence> depends(Instruction *Src, + Instruction *Dst, + bool PossiblyLoopIndependent); /// getSplitIteration - Give a dependence that's splittable at some /// particular level, return the iteration that should be used to split @@ -331,7 +331,7 @@ namespace llvm { /// /// breaks the dependence and allows us to vectorize/parallelize /// both loops. - const SCEV *getSplitIteration(const Dependence *Dep, unsigned Level); + const SCEV *getSplitIteration(const Dependence &Dep, unsigned Level); private: AliasAnalysis *AA; @@ -523,6 +523,12 @@ namespace llvm { /// in LoopNest. bool isLoopInvariant(const SCEV *Expression, const Loop *LoopNest) const; + /// Makes sure both subscripts (i.e. Pair->Src and Pair->Dst) share the same + /// integer type by sign-extending one of them when necessary. + /// Sign-extending a subscript is safe because getelementptr assumes the + /// array subscripts are signed. + void unifySubscriptType(Subscript *Pair); + /// removeMatchingExtensions - Examines a subscript pair. /// If the source and destination are identically sign (or zero) /// extended, it strips off the extension in an effort to @@ -911,7 +917,7 @@ namespace llvm { bool tryDelinearize(const SCEV *SrcSCEV, const SCEV *DstSCEV, SmallVectorImpl<Subscript> &Pair, - const SCEV *ElementSize) const; + const SCEV *ElementSize); public: static char ID; // Class identification, replacement for typeinfo |