CostModel.cpp File Reference

#include "llvm/ADT/STLExtras.h"
#include "llvm/Analysis/Passes.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Value.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"

Include dependency graph for CostModel.cpp:

Go to the source code of this file.

Defines
#define	CM_NAME   "cost-model"
#define	DEBUG_TYPE   CM_NAME
Functions
static bool	isReverseVectorMask (SmallVectorImpl< int > &Mask)
static bool	isAlternateVectorMask (SmallVectorImpl< int > &Mask)
static TargetTransformInfo::OperandValueKind	getOperandInfo (Value *V)
static bool	matchPairwiseShuffleMask (ShuffleVectorInst *SI, bool IsLeft, unsigned Level)
static bool	matchPairwiseReductionAtLevel (const BinaryOperator *BinOp, unsigned Level, unsigned NumLevels)
static bool	matchPairwiseReduction (const ExtractElementInst *ReduxRoot, unsigned &Opcode, Type *&Ty)
static std::pair< Value *, ShuffleVectorInst * >	getShuffleAndOtherOprd (BinaryOperator *B)
static bool	matchVectorSplittingReduction (const ExtractElementInst *ReduxRoot, unsigned &Opcode, Type *&Ty)
Variables
static cl::opt< bool >	EnableReduxCost ("costmodel-reduxcost", cl::init(false), cl::Hidden, cl::desc("Recognize reduction patterns."))
static const char	cm_name [] = "Cost Model Analysis"

---

Define Documentation

#define CM_NAME   "cost-model"

Definition at line 33 of file CostModel.cpp.

#define DEBUG_TYPE   CM_NAME

Definition at line 34 of file CostModel.cpp.

---

Function Documentation

static TargetTransformInfo::OperandValueKind getOperandInfo

(

Value *

V

)

[static]

Definition at line 123 of file CostModel.cpp.

References llvm::TargetTransformInfo::OK_AnyValue, llvm::TargetTransformInfo::OK_NonUniformConstantValue, and llvm::TargetTransformInfo::OK_UniformConstantValue.

static std::pair<Value *, ShuffleVectorInst *> getShuffleAndOtherOprd

(

BinaryOperator *

B

)

[static]

Definition at line 291 of file CostModel.cpp.

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

Referenced by matchVectorSplittingReduction().

static bool isAlternateVectorMask

(

SmallVectorImpl< int > &

Mask

)

[static]

Definition at line 98 of file CostModel.cpp.

References llvm::SmallVectorTemplateCommon< T, typename >::size().

static bool isReverseVectorMask

(

SmallVectorImpl< int > &

Mask

)

[static]

Definition at line 91 of file CostModel.cpp.

References llvm::SmallVectorTemplateCommon< T, typename >::size().

static bool matchPairwiseReduction	(	const ExtractElementInst *	ReduxRoot,
		unsigned &	Opcode,
		Type *&	Ty
	)		[static]

Definition at line 241 of file CostModel.cpp.

References llvm::dyn_cast(), EnableReduxCost, llvm::BinaryOperator::getOpcode(), llvm::User::getOperand(), llvm::Value::getType(), llvm::Type::getVectorNumElements(), llvm::ConstantInt::getZExtValue(), llvm::isPowerOf2_32(), llvm::Log2_32(), and matchPairwiseReductionAtLevel().

static bool matchPairwiseReductionAtLevel	(	const BinaryOperator *	BinOp,
		unsigned	Level,
		unsigned	NumLevels
	)		[static]

Definition at line 160 of file CostModel.cpp.

References llvm::dyn_cast(), llvm::BinaryOperator::getOpcode(), llvm::User::getOperand(), llvm::Value::getType(), llvm::Type::isVectorTy(), llvm::AArch64CC::LS, and matchPairwiseShuffleMask().

Referenced by matchPairwiseReduction().

static bool matchPairwiseShuffleMask	(	ShuffleVectorInst *	SI,
		bool	IsLeft,
		unsigned	Level
	)		[static]

Definition at line 137 of file CostModel.cpp.

References llvm::ShuffleVectorInst::getShuffleMask(), llvm::ShuffleVectorInst::getType(), and llvm::Type::getVectorNumElements().

Referenced by matchPairwiseReductionAtLevel().

static bool matchVectorSplittingReduction	(	const ExtractElementInst *	ReduxRoot,
		unsigned &	Opcode,
		Type *&	Ty
	)		[static]

Definition at line 304 of file CostModel.cpp.

References llvm::dyn_cast(), EnableReduxCost, llvm::SmallVectorTemplateCommon< T >::end(), llvm::BinaryOperator::getOpcode(), llvm::User::getOperand(), getShuffleAndOtherOprd(), llvm::ShuffleVectorInst::getShuffleMask(), llvm::Value::getType(), llvm::Type::getVectorNumElements(), llvm::ConstantInt::getZExtValue(), and llvm::isPowerOf2_32().

---

Variable Documentation

const char cm_name[] = "Cost Model Analysis" [static]

Definition at line 70 of file CostModel.cpp.

cl::opt<bool> EnableReduxCost("costmodel-reduxcost", cl::init(false), cl::Hidden, cl::desc("Recognize reduction patterns.")) [static]

Referenced by matchPairwiseReduction(), and matchVectorSplittingReduction().