llvm::ShuffleVectorInst Class Reference

#include <Instructions.h>

Inheritance diagram for llvm::ShuffleVectorInst:

Collaboration diagram for llvm::ShuffleVectorInst:

List of all members.

Public Member Functions
void *	operator new (size_t s)
	ShuffleVectorInst (Value *V1, Value *V2, Value *Mask, const Twine &NameStr="", Instruction *InsertBefor=0)
	ShuffleVectorInst (Value *V1, Value *V2, Value *Mask, const Twine &NameStr, BasicBlock *InsertAtEnd)
VectorType *	getType () const
	DECLARE_TRANSPARENT_OPERAND_ACCESSORS (Value)
	Transparently provide more efficient getOperand methods.
Constant *	getMask () const
int	getMaskValue (unsigned i) const
void	getShuffleMask (SmallVectorImpl< int > &Result) const
SmallVector< int, 16 >	getShuffleMask () const
Static Public Member Functions
static bool	isValidOperands (const Value *V1, const Value *V2, const Value *Mask)
static int	getMaskValue (Constant *Mask, unsigned i)
static void	getShuffleMask (Constant *Mask, SmallVectorImpl< int > &Result)
static bool	classof (const Instruction *I)
static bool	classof (const Value *V)
	Methods for support type inquiry through isa, cast, and dyn_cast:
Protected Member Functions
virtual ShuffleVectorInst *	clone_impl () const

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Detailed Description

ShuffleVectorInst - This instruction constructs a fixed permutation of two input vectors.

Definition at line 1654 of file Instructions.h.

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Constructor & Destructor Documentation

ShuffleVectorInst::ShuffleVectorInst	(	Value *	V1,
		Value *	V2,
		Value *	Mask,
		const Twine &	NameStr = "",
		Instruction *	InsertBefor = 0
	)

Definition at line 1528 of file Instructions.cpp.

References isValidOperands(), and llvm::Value::setName().

Referenced by clone_impl().

ShuffleVectorInst::ShuffleVectorInst	(	Value *	V1,
		Value *	V2,
		Value *	Mask,
		const Twine &	NameStr,
		BasicBlock *	InsertAtEnd
	)

Definition at line 1545 of file Instructions.cpp.

References isValidOperands(), and llvm::Value::setName().

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Member Function Documentation

static bool llvm::ShuffleVectorInst::classof

(

const Instruction *

I

)

[inline, static]

Definition at line 1712 of file Instructions.h.

References llvm::Instruction::getOpcode(), and llvm::ShuffleVector.

static bool llvm::ShuffleVectorInst::classof

(

const Value *

V

)

[inline, static]

Methods for support type inquiry through isa, cast, and dyn_cast:

Reimplemented from llvm::Instruction.

Definition at line 1715 of file Instructions.h.

ShuffleVectorInst * ShuffleVectorInst::clone_impl

(

)

const [protected, virtual]

Implements llvm::Instruction.

Definition at line 3513 of file Instructions.cpp.

References llvm::User::getOperand(), and ShuffleVectorInst().

llvm::ShuffleVectorInst::DECLARE_TRANSPARENT_OPERAND_ACCESSORS

(

Value

)

Transparently provide more efficient getOperand methods.

Constant* llvm::ShuffleVectorInst::getMask

(

)

const [inline]

Definition at line 1683 of file Instructions.h.

int ShuffleVectorInst::getMaskValue	(	Constant *	Mask,
		unsigned	i
	)		[static]

getMaskValue - Return the index from the shuffle mask for the specified output result. This is either -1 if the element is undef or a number less than 2*numelements.

Definition at line 1614 of file Instructions.cpp.

References llvm::CallingConv::C, llvm::Constant::getAggregateElement(), and getType().

Referenced by llvm::ConstantFoldShuffleVectorInstruction().

int llvm::ShuffleVectorInst::getMaskValue

(

unsigned

i

)

const [inline]

Definition at line 1692 of file Instructions.h.

void ShuffleVectorInst::getShuffleMask	(	Constant *	Mask,
		SmallVectorImpl< int > &	Result
	)		[static]

getShuffleMask - Return the full mask for this instruction, where each element is the element number and undef's are returned as -1.

Definition at line 1626 of file Instructions.cpp.

References llvm::Constant::getAggregateElement(), llvm::Value::getType(), llvm::Type::getVectorNumElements(), and llvm::SmallVectorTemplateBase< T, isPodLike >::push_back().

Referenced by llvm::InstCombiner::visitShuffleVectorInst().

void llvm::ShuffleVectorInst::getShuffleMask

(

SmallVectorImpl< int > &

Result

)

const [inline]

Definition at line 1700 of file Instructions.h.

SmallVector<int, 16> llvm::ShuffleVectorInst::getShuffleMask

(

)

const [inline]

Definition at line 1704 of file Instructions.h.

VectorType* llvm::ShuffleVectorInst::getType

(

)

const [inline]

getType - Overload to return most specific vector type.

Reimplemented from llvm::Value.

Definition at line 1676 of file Instructions.h.

References llvm::Value::getType().

Referenced by getMaskValue(), and llvm::InstCombiner::visitShuffleVectorInst().

bool ShuffleVectorInst::isValidOperands	(	const Value *	V1,
		const Value *	V2,
		const Value *	Mask
	)		[static]

isValidOperands - Return true if a shufflevector instruction can be formed with the specified operands.

Definition at line 1563 of file Instructions.cpp.

References llvm::dyn_cast(), llvm::SequentialType::getElementType(), llvm::VectorType::getNumElements(), llvm::Value::getType(), llvm::Type::isIntegerTy(), and llvm::Type::isVectorTy().

Referenced by llvm::ConstantExpr::getShuffleVector(), and ShuffleVectorInst().

void* llvm::ShuffleVectorInst::operator new

(

size_t

s

)

[inline]

Reimplemented from llvm::User.

Definition at line 1660 of file Instructions.h.

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The documentation for this class was generated from the following files:

• Instructions.h
• Instructions.cpp