LegalizeDAG.cpp File Reference

#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/FloatingPointMode.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/CodeGen/ISDOpcodes.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineValueType.h"
#include "llvm/CodeGen/RuntimeLibcalls.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include <cassert>
#include <cstdint>
#include <tuple>
#include <utility>

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "legalizedag"

Functions
static bool	ExpandBVWithShuffles (SDNode *Node, SelectionDAG &DAG, const TargetLowering &TLI, SDValue &Res)
static bool	isSinCosLibcallAvailable (SDNode *Node, const TargetLowering &TLI)
	Return true if sincos libcall is available.
static bool	useSinCos (SDNode *Node)
	Only issue sincos libcall if both sin and cos are needed.
static MVT	getPromotedVectorElementType (const TargetLowering &TLI, MVT EltVT, MVT NewEltVT)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "legalizedag"

Definition at line 56 of file LegalizeDAG.cpp.

Function Documentation

ExpandBVWithShuffles()

static bool ExpandBVWithShuffles ( SDNode *  Node, SelectionDAG &  DAG, const TargetLowering &  TLI, SDValue &  Res  )

static

Definition at line 1803 of file LegalizeDAG.cpp.

References assert(), llvm::SmallVectorTemplateCommon< T, typename >::back(), llvm::SmallVectorImpl< T >::clear(), llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getUNDEF(), llvm::SelectionDAG::getVectorShuffle(), llvm::TargetLoweringBase::isShuffleMaskLegal(), Phase, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::SmallVectorImpl< T >::reserve(), llvm::ISD::SCALAR_TO_VECTOR, llvm::SmallVectorBase< Size_T >::size(), and llvm::SmallVectorImpl< T >::swap().

getPromotedVectorElementType()

static MVT getPromotedVectorElementType ( const TargetLowering &  TLI, MVT  EltVT, MVT  NewEltVT  )

static

Definition at line 4475 of file LegalizeDAG.cpp.

References assert(), llvm::MVT::getSizeInBits(), llvm::MVT::getVectorVT(), and llvm::TargetLoweringBase::isTypeLegal().

isSinCosLibcallAvailable()

static bool isSinCosLibcallAvailable ( SDNode *  Node, const TargetLowering &  TLI  )

static

Return true if sincos libcall is available.

Definition at line 2218 of file LegalizeDAG.cpp.

References llvm::TargetLoweringBase::getLibcallName(), and llvm_unreachable.

useSinCos()

static bool useSinCos ( SDNode *  Node )

static

Only issue sincos libcall if both sin and cos are needed.

Definition at line 2232 of file LegalizeDAG.cpp.

References llvm::ISD::FCOS, llvm::ISD::FSIN, llvm::ISD::FSINCOS, llvm::SDValue::getNode(), and llvm::SDNode::uses().