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.

Macros
#define	CM_NAME   "cost-model"
#define	DEBUG_TYPE   CM_NAME

Functions
static bool	isReverseVectorMask (SmallVectorImpl< int > &Mask)
static TargetTransformInfo::OperandValueKind	getOperandInfo (Value *V)
static bool	matchMask (SmallVectorImpl< int > &M1, SmallVectorImpl< int > &M2)
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"

Macro Definition Documentation

#define CM_NAME   "cost-model"

Definition at line 20 of file CostModel.cpp.

#define DEBUG_TYPE   CM_NAME

Definition at line 21 of file CostModel.cpp.

Function Documentation

static TargetTransformInfo::OperandValueKind getOperandInfo ( Value *  V )

static

Definition at line 97 of file CostModel.cpp.

References llvm::ConstantVector::getSplatValue(), llvm::ConstantDataVector::getSplatValue(), llvm::TargetTransformInfo::OK_AnyValue, and llvm::TargetTransformInfo::OK_UniformConstantValue.

static std::pair<Value *, ShuffleVectorInst *> getShuffleAndOtherOprd ( BinaryOperator *  B )

static

Definition at line 279 of file CostModel.cpp.

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

Referenced by matchVectorSplittingReduction().

static bool isReverseVectorMask ( SmallVectorImpl< int > &  Mask )

static

Definition at line 90 of file CostModel.cpp.

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

static bool matchMask ( SmallVectorImpl< int > &  M1, SmallVectorImpl< int > &  M2  )

static

Definition at line 114 of file CostModel.cpp.

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

Referenced by matchPairwiseShuffleMask(), and matchVectorSplittingReduction().

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

static

Definition at line 229 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 148 of file CostModel.cpp.

References llvm::dyn_cast(), llvm::BinaryOperator::getOpcode(), llvm::User::getOperand(), llvm::Value::getType(), llvm::Type::isVectorTy(), llvm::A64CC::LS, and matchPairwiseShuffleMask().

Referenced by matchPairwiseReduction().

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

static

Definition at line 125 of file CostModel.cpp.

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

Referenced by matchPairwiseReductionAtLevel().

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

static

Definition at line 292 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(), llvm::isPowerOf2_32(), matchMask(), and llvm::tie().

Variable Documentation

const char cm_name[] = "Cost Model Analysis"

static

Definition at line 69 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().