Differential D62272 Diff 203159 llvm/trunk/include/llvm/Transforms/Utils/LoopUtils.h

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llvm/trunk/include/llvm/Transforms/Utils/LoopUtils.h

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	/// Generates an ordered vector reduction using extracts to reduce the value.			/// Generates an ordered vector reduction using extracts to reduce the value.
	Value *			Value *
	getOrderedReduction(IRBuilder<> &Builder, Value Acc, Value Src, unsigned Op,			getOrderedReduction(IRBuilder<> &Builder, Value Acc, Value Src, unsigned Op,
	RecurrenceDescriptor::MinMaxRecurrenceKind MinMaxKind =			RecurrenceDescriptor::MinMaxRecurrenceKind MinMaxKind =
	RecurrenceDescriptor::MRK_Invalid,			RecurrenceDescriptor::MRK_Invalid,
	ArrayRef<Value *> RedOps = None);			ArrayRef<Value *> RedOps = None);

	/// Generates a vector reduction using shufflevectors to reduce the value.			/// Generates a vector reduction using shufflevectors to reduce the value.
				/// Fast-math-flags are propagated using the IRBuilder's setting.
	Value getShuffleReduction(IRBuilder<> &Builder, Value Src, unsigned Op,			Value getShuffleReduction(IRBuilder<> &Builder, Value Src, unsigned Op,
	RecurrenceDescriptor::MinMaxRecurrenceKind			RecurrenceDescriptor::MinMaxRecurrenceKind
	MinMaxKind = RecurrenceDescriptor::MRK_Invalid,			MinMaxKind = RecurrenceDescriptor::MRK_Invalid,
	FastMathFlags FMF = FastMathFlags(),
	ArrayRef<Value *> RedOps = None);			ArrayRef<Value *> RedOps = None);

	/// Create a target reduction of the given vector. The reduction operation			/// Create a target reduction of the given vector. The reduction operation
	/// is described by the \p Opcode parameter. min/max reductions require			/// is described by the \p Opcode parameter. min/max reductions require
	/// additional information supplied in \p Flags.			/// additional information supplied in \p Flags.
	/// The target is queried to determine if intrinsics or shuffle sequences are			/// The target is queried to determine if intrinsics or shuffle sequences are
	/// required to implement the reduction.			/// required to implement the reduction.
				/// Fast-math-flags are propagated using the IRBuilder's setting.
	Value *createSimpleTargetReduction(IRBuilder<> &B,			Value *createSimpleTargetReduction(IRBuilder<> &B,
	const TargetTransformInfo *TTI,			const TargetTransformInfo *TTI,
	unsigned Opcode, Value *Src,			unsigned Opcode, Value *Src,
	TargetTransformInfo::ReductionFlags Flags =			TargetTransformInfo::ReductionFlags Flags =
	TargetTransformInfo::ReductionFlags(),			TargetTransformInfo::ReductionFlags(),
	FastMathFlags FMF = FastMathFlags(),
	ArrayRef<Value *> RedOps = None);			ArrayRef<Value *> RedOps = None);

	/// Create a generic target reduction using a recurrence descriptor \p Desc			/// Create a generic target reduction using a recurrence descriptor \p Desc
	/// The target is queried to determine if intrinsics or shuffle sequences are			/// The target is queried to determine if intrinsics or shuffle sequences are
	/// required to implement the reduction.			/// required to implement the reduction.
				/// Fast-math-flags are propagated using the RecurrenceDescriptor.
	Value createTargetReduction(IRBuilder<> &B, const TargetTransformInfo TTI,			Value createTargetReduction(IRBuilder<> &B, const TargetTransformInfo TTI,
	RecurrenceDescriptor &Desc, Value *Src,			RecurrenceDescriptor &Desc, Value *Src,
	bool NoNaN = false);			bool NoNaN = false);

	/// Get the intersection (logical and) of all of the potential IR flags			/// Get the intersection (logical and) of all of the potential IR flags
	/// of each scalar operation (VL) that will be converted into a vector (I).			/// of each scalar operation (VL) that will be converted into a vector (I).
	/// If OpValue is non-null, we only consider operations similar to OpValue			/// If OpValue is non-null, we only consider operations similar to OpValue
	/// when intersecting.			/// when intersecting.
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