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Differential D145042 Diff 501829 llvm/lib/Analysis/ScalarEvolution.cpp

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llvm/lib/Analysis/ScalarEvolution.cpp

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	SCEVCouldNotCompute::SCEVCouldNotCompute() :			SCEVCouldNotCompute::SCEVCouldNotCompute() :
	SCEV(FoldingSetNodeIDRef(), scCouldNotCompute, 0) {}			SCEV(FoldingSetNodeIDRef(), scCouldNotCompute, 0) {}

	bool SCEVCouldNotCompute::classof(const SCEV *S) {			bool SCEVCouldNotCompute::classof(const SCEV *S) {
	return S->getSCEVType() == scCouldNotCompute;			return S->getSCEVType() == scCouldNotCompute;
	}			}

	const SCEV ScalarEvolution::getConstant(ConstantInt V) {			const SCEVConstant ScalarEvolution::getConstant(ConstantInt V) {
	FoldingSetNodeID ID;			FoldingSetNodeID ID;
	ID.AddInteger(scConstant);			ID.AddInteger(scConstant);
	ID.AddPointer(V);			ID.AddPointer(V);
	void *IP = nullptr;			void *IP = nullptr;
	if (const SCEV *S = UniqueSCEVs.FindNodeOrInsertPos(ID, IP)) return S;			if (const SCEV *S = UniqueSCEVs.FindNodeOrInsertPos(ID, IP))
	SCEV *S = new (SCEVAllocator) SCEVConstant(ID.Intern(SCEVAllocator), V);			return cast<SCEVConstant>(S);
				mkazantsevUnsubmitted Done Reply Inline Actions `cast` mkazantsev: `cast`
				SCEVConstant *S =
				new (SCEVAllocator) SCEVConstant(ID.Intern(SCEVAllocator), V);
	UniqueSCEVs.InsertNode(S, IP);			UniqueSCEVs.InsertNode(S, IP);
	return S;			return S;
	}			}

	const SCEV *ScalarEvolution::getConstant(const APInt &Val) {			const SCEVConstant *ScalarEvolution::getConstant(const APInt &Val) {
	return getConstant(ConstantInt::get(getContext(), Val));			return getConstant(ConstantInt::get(getContext(), Val));
	}			}

	const SCEV *			const SCEVConstant ScalarEvolution::getConstant(Type Ty, uint64_t V,
	ScalarEvolution::getConstant(Type *Ty, uint64_t V, bool isSigned) {			bool isSigned) {
	IntegerType *ITy = cast<IntegerType>(getEffectiveSCEVType(Ty));			IntegerType *ITy = cast<IntegerType>(getEffectiveSCEVType(Ty));
	return getConstant(ConstantInt::get(ITy, V, isSigned));			return getConstant(ConstantInt::get(ITy, V, isSigned));
	}			}

	SCEVCastExpr::SCEVCastExpr(const FoldingSetNodeIDRef ID, SCEVTypes SCEVTy,			SCEVCastExpr::SCEVCastExpr(const FoldingSetNodeIDRef ID, SCEVTypes SCEVTy,
	const SCEV op, Type ty)			const SCEV op, Type ty)
	: SCEV(ID, SCEVTy, computeExpressionSize(op)), Op(op), Ty(ty) {}			: SCEV(ID, SCEVTy, computeExpressionSize(op)), Op(op), Ty(ty) {}

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