SystemZISelDAGToDAG.cpp File Reference

#include "SystemZTargetMachine.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Support/raw_ostream.h"
#include "SystemZGenDAGISel.inc"

Include dependency graph for SystemZISelDAGToDAG.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "systemz-isel"

Functions
static bool	selectDisp (SystemZAddressingMode::DispRange DR, int64_t Val)
static void	changeComponent (SystemZAddressingMode &AM, bool IsBase, SDValue Value)
static bool	expandAdjDynAlloc (SystemZAddressingMode &AM, bool IsBase, SDValue Value)
static bool	expandIndex (SystemZAddressingMode &AM, SDValue Base, SDValue Index)
static bool	expandDisp (SystemZAddressingMode &AM, bool IsBase, SDValue Op0, uint64_t Op1)
static bool	isValidDisp (SystemZAddressingMode::DispRange DR, int64_t Val)
static bool	shouldUseLA (SDNode *Base, int64_t Disp, SDNode *Index)
static void	insertDAGNode (SelectionDAG *DAG, SDNode *Pos, SDValue N)
static bool	maskMatters (RxSBGOperands &RxSBG, uint64_t Mask)
static bool	isFusableLoadOpStorePattern (StoreSDNode *StoreNode, SDValue StoredVal, SelectionDAG *CurDAG, LoadSDNode *&LoadNode, SDValue &InputChain)
static IPMConversion	getIPMConversion (unsigned CCValid, unsigned CCMask)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "systemz-isel"

Definition at line 23 of file SystemZISelDAGToDAG.cpp.

Function Documentation

changeComponent()

static void changeComponent ( SystemZAddressingMode &  AM, bool  IsBase, SDValue  Value  )

static

Definition at line 393 of file SystemZISelDAGToDAG.cpp.

Referenced by expandAdjDynAlloc(), and expandDisp().

expandAdjDynAlloc()

static bool expandAdjDynAlloc ( SystemZAddressingMode &  AM, bool  IsBase, SDValue  Value  )

static

Definition at line 404 of file SystemZISelDAGToDAG.cpp.

References changeComponent().

Referenced by expandDisp(), and shouldUseLA().

expandDisp()

static bool expandDisp ( SystemZAddressingMode &  AM, bool  IsBase, SDValue  Op0, uint64_t  Op1  )

static

Definition at line 428 of file SystemZISelDAGToDAG.cpp.

References llvm::ISD::ADD, llvm::SystemZISD::ADJDYNALLOC, changeComponent(), llvm::ISD::Constant, expandAdjDynAlloc(), expandIndex(), llvm::JumpTable::Full, llvm::getOffset(), llvm::SDValue::getOpcode(), llvm::SDNode::getOpcode(), llvm::SDValue::getOperand(), N, llvm::SystemZISD::PCREL_OFFSET, selectDisp(), and llvm::ISD::TRUNCATE.

Referenced by shouldUseLA().

expandIndex()

static bool expandIndex ( SystemZAddressingMode &  AM, SDValue  Base, SDValue  Index  )

static

Definition at line 416 of file SystemZISelDAGToDAG.cpp.

Referenced by expandDisp().

getIPMConversion()

static IPMConversion getIPMConversion ( unsigned  CCValid, unsigned  CCMask  )

static

Definition at line 1683 of file SystemZISelDAGToDAG.cpp.

References llvm::ISD::ADD, llvm::ISD::AND, llvm::ISD::ANY_EXTEND, llvm::SystemZ::CCMASK_0, llvm::SystemZ::CCMASK_1, llvm::SystemZ::CCMASK_2, llvm::SystemZ::CCMASK_3, llvm::dbgs(), llvm::SDNode::dump(), llvm::dyn_cast(), E, llvm::SDValue::getNode(), llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), llvm::EVT::getSizeInBits(), llvm::SDNode::getValueType(), llvm::MVT::i32, llvm::SystemZISD::IPM, llvm::SystemZ::IPM_CC, LLVM_DEBUG, llvm_unreachable, llvm::SystemZISD::SELECT_CCMASK, llvm::ISD::SHL, llvm::ISD::SRA, llvm::ISD::SRL, llvm::SDNode::use_empty(), and llvm::ISD::XOR.

insertDAGNode()

static void insertDAGNode ( SelectionDAG *  DAG, SDNode *  Pos, SDValue  N  )

static

Definition at line 601 of file SystemZISelDAGToDAG.cpp.

References allOnes(), llvm::ISD::AND, assert(), llvm::dyn_cast(), llvm::ISD::EXTRACT_VECTOR_ELT, llvm::ISD::FrameIndex, llvm::ilist_node_impl< OptionsT >::getIterator(), llvm::SDValue::getNode(), llvm::SDNode::getNodeId(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), llvm::SelectionDAGISel::getUninvalidatedNodeId(), llvm::SDValue::getValueSizeInBits(), llvm::SDValue::getValueType(), llvm::ConstantSDNode::getZExtValue(), llvm::APInt::getZExtValue(), I, llvm::MVT::i32, llvm::MVT::i64, llvm::SelectionDAGISel::InvalidateNodeId(), llvm::SystemZInstrInfo::isRxSBGMask(), llvm::BitmaskEnumDetail::Mask(), llvm::SelectionDAG::RepositionNode(), llvm::SDNode::setNodeId(), TII, llvm::ISD::TRUNCATE, llvm::KnownBits::Zero, and llvm::ISD::ZERO_EXTEND.

Referenced by maskMatters().

isFusableLoadOpStorePattern()

static bool isFusableLoadOpStorePattern ( StoreSDNode *  StoreNode, SDValue  StoredVal, SelectionDAG *  CurDAG, LoadSDNode *&  LoadNode, SDValue &  InputChain  )

static

Definition at line 1203 of file SystemZISelDAGToDAG.cpp.

References llvm::LoadSDNode::getBasePtr(), llvm::StoreSDNode::getBasePtr(), llvm::MemSDNode::getChain(), llvm::SDValue::getNode(), llvm::SelectionDAG::getNode(), llvm::SDNode::getNodeId(), llvm::SDValue::getNumOperands(), llvm::LoadSDNode::getOffset(), llvm::StoreSDNode::getOffset(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), llvm::SDNode::getOperand(), llvm::SDValue::getResNo(), llvm::SDValue::getValue(), llvm::SDNode::hasNUsesOfValue(), llvm::SDValue::hasOneUse(), llvm::MemSDNode::isNonTemporal(), llvm::ISD::isNormalLoad(), llvm::ISD::isNormalStore(), llvm::SPII::Load, llvm::MVT::Other, llvm::SmallVectorTemplateBase< T >::push_back(), llvm::ISD::TokenFactor, llvm::SDNode::use_begin(), and llvm::SDNode::use_end().

isValidDisp()

static bool isValidDisp ( SystemZAddressingMode::DispRange  DR, int64_t  Val  )

static

Definition at line 486 of file SystemZISelDAGToDAG.cpp.

References assert(), llvm_unreachable, and selectDisp().

Referenced by shouldUseLA().

maskMatters()

static bool maskMatters ( RxSBGOperands &  RxSBG, uint64_t  Mask  )

static

Definition at line 754 of file SystemZISelDAGToDAG.cpp.

References allOnes(), llvm::ISD::AND, llvm::ISD::ANY_EXTEND, assert(), llvm::dyn_cast(), llvm::ISD::EXTLOAD, llvm::SDValue::getNode(), llvm::SDValue::getOpcode(), llvm::SDNode::getOpcode(), llvm::SDValue::getOperand(), llvm::SDNode::getOperand(), llvm::EVT::getSizeInBits(), llvm::SDValue::getValueSizeInBits(), llvm::SDValue::getValueType(), llvm::SDNode::getValueType(), llvm::ConstantSDNode::getZExtValue(), llvm::APInt::getZExtValue(), I, llvm::MVT::i32, llvm::MVT::i64, llvm::MVT::i8, llvm::tgtok::In, insertDAGNode(), llvm::SystemZ::isImmHF(), llvm::SystemZ::isImmLF(), llvm::EVT::isInteger(), llvm::SDNode::isMachineOpcode(), LLVM_FALLTHROUGH, llvm::SPII::Load, llvm::BitmaskEnumDetail::Mask(), N, llvm::KnownBits::One, llvm::ISD::OR, llvm::ISD::ROTL, llvm::ISD::SHL, llvm::ISD::SIGN_EXTEND, llvm::ISD::SRA, llvm::ISD::SRL, llvm::ISD::TRUNCATE, llvm::KnownBits::Zero, llvm::ISD::ZERO_EXTEND, and llvm::ISD::ZEXTLOAD.

selectDisp()

static bool selectDisp ( SystemZAddressingMode::DispRange  DR, int64_t  Val  )

static

Definition at line 375 of file SystemZISelDAGToDAG.cpp.

References llvm_unreachable.

Referenced by expandDisp(), and isValidDisp().

shouldUseLA()

static bool shouldUseLA ( SDNode *  Base, int64_t  Disp, SDNode *  Index  )

static

Definition at line 506 of file SystemZISelDAGToDAG.cpp.

References llvm::SystemZISD::ADJDYNALLOC, llvm::ISD::Constant, expandAdjDynAlloc(), expandDisp(), llvm::ISD::FrameIndex, llvm::SDValue::getOpcode(), llvm::SDNode::getOpcode(), llvm::SDNode::hasOneUse(), llvm::isInt< 16 >(), isValidDisp(), LLVM_DEBUG, llvm::ISD::SIGN_EXTEND, and llvm::ISD::SIGN_EXTEND_INREG.