MVEGatherScatterLowering.cpp File Reference

#include "ARM.h"
#include "ARMBaseInstrInfo.h"
#include "ARMSubtarget.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/InitializePasses.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsARM.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/Pass.h"
#include "llvm/Support/Casting.h"
#include "llvm/Transforms/Utils/Local.h"
#include <algorithm>
#include <cassert>

Include dependency graph for MVEGatherScatterLowering.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "arm-mve-gather-scatter-lowering"

Functions
	INITIALIZE_PASS (MVEGatherScatterLowering, DEBUG_TYPE, "MVE gather/scattering lowering pass", false, false) Pass *llvm
static bool	checkOffsetSize (Value *Offsets, unsigned TargetElemCount)
static bool	isAddLikeOr (Instruction *I, const DataLayout &DL)
static bool	hasAllGatScatUsers (Instruction *I, const DataLayout &DL)
static Value *	CheckAndCreateOffsetAdd (Value *X, unsigned ScaleX, Value *Y, unsigned ScaleY, IRBuilder<> &Builder)

Variables
cl::opt< bool >	EnableMaskedGatherScatters ("enable-arm-maskedgatscat", cl::Hidden, cl::init(true), cl::desc("Enable the generation of masked gathers and scatters"))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "arm-mve-gather-scatter-lowering"

Definition at line 48 of file MVEGatherScatterLowering.cpp.

Function Documentation

CheckAndCreateOffsetAdd()

static Value* CheckAndCreateOffsetAdd ( Value *  X, unsigned  ScaleX, Value *  Y, unsigned  ScaleY, IRBuilder<> &  Builder  )

static

Definition at line 1107 of file MVEGatherScatterLowering.cpp.

References assert(), Builder, checkOffsetSize(), llvm::dbgs(), llvm::Constant::getAggregateElement(), llvm::VectorType::getElementType(), llvm::FixedVectorType::getNumElements(), llvm::Type::getPrimitiveSizeInBits(), llvm::Type::getScalarSizeInBits(), llvm::ConstantInt::getZExtValue(), i, LLVM_DEBUG, N, X, and Y.

checkOffsetSize()

static bool checkOffsetSize ( Value *  Offsets, unsigned  TargetElemCount  )

static

Definition at line 185 of file MVEGatherScatterLowering.cpp.

References llvm::Constant::getAggregateElement(), llvm::ConstantInt::getSExtValue(), llvm::Value::getType(), and i.

Referenced by CheckAndCreateOffsetAdd().

hasAllGatScatUsers()

static bool hasAllGatScatUsers ( Instruction *  I, const DataLayout &  DL  )

static

Definition at line 941 of file MVEGatherScatterLowering.cpp.

References llvm::MCID::Add, DL, I, isAddLikeOr(), llvm::isGatherScatter(), and Mul.

INITIALIZE_PASS()

INITIALIZE_PASS	(	MVEGatherScatterLowering	,
		DEBUG_TYPE	,
		"MVE gather/scattering lowering pass"	,
		false	,
		false
	)

Definition at line 164 of file MVEGatherScatterLowering.cpp.

isAddLikeOr()

static bool isAddLikeOr ( Instruction *  I, const DataLayout &  DL  )

static

Definition at line 367 of file MVEGatherScatterLowering.cpp.

References DL, llvm::haveNoCommonBitsSet(), and I.

Referenced by hasAllGatScatUsers().

Variable Documentation

EnableMaskedGatherScatters

cl::opt<bool> EnableMaskedGatherScatters("enable-arm-maskedgatscat", cl::Hidden, cl::init(true), cl::desc("Enable the generation of masked gathers and scatters"))

Referenced by canTailPredicateLoop(), llvm::ARMTTIImpl::getGatherScatterOpCost(), and llvm::ARMTTIImpl::isLegalMaskedGather().