SystemZISelDAGToDAG.cpp File Reference

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

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "systemz-isel"
#define	PASS_NAME   "SystemZ DAG->DAG Pattern Instruction Selection"

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 26 of file SystemZISelDAGToDAG.cpp.

PASS_NAME

#define PASS_NAME   "SystemZ DAG->DAG Pattern Instruction Selection"

Definition at line 27 of file SystemZISelDAGToDAG.cpp.

Function Documentation

changeComponent()

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

static

Definition at line 444 of file SystemZISelDAGToDAG.cpp.

Referenced by expandAdjDynAlloc(), and expandDisp().

expandAdjDynAlloc()

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

static

Definition at line 455 of file SystemZISelDAGToDAG.cpp.

References changeComponent().

expandDisp()

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

static

Definition at line 479 of file SystemZISelDAGToDAG.cpp.

References changeComponent(), selectDisp(), and uint64_t.

expandIndex()

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

static

Definition at line 467 of file SystemZISelDAGToDAG.cpp.

References llvm::sampleprof::Base, and llvm::SDValue::getNode().

getIPMConversion()

IPMConversion getIPMConversion ( unsigned CCValid, unsigned CCMask )

static

Definition at line 2008 of file SystemZISelDAGToDAG.cpp.

References llvm::SystemZ::CCMASK_0, llvm::SystemZ::CCMASK_1, llvm::SystemZ::CCMASK_2, llvm::SystemZ::CCMASK_3, llvm::SystemZ::IPM_CC, llvm_unreachable, and uint64_t.

insertDAGNode()

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

static

Definition at line 653 of file SystemZISelDAGToDAG.cpp.

References llvm::ilist_node_impl< OptionsT >::getIterator(), llvm::SDNode::getNodeId(), llvm::SelectionDAGISel::getUninvalidatedNodeId(), llvm::SelectionDAGISel::InvalidateNodeId(), N, and llvm::SelectionDAG::RepositionNode().

Referenced by foldMaskAndShiftToExtract(), foldMaskAndShiftToScale(), foldMaskedShiftToBEXTR(), and foldMaskedShiftToScaledMask().

isFusableLoadOpStorePattern()

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

static

Definition at line 1356 of file SystemZISelDAGToDAG.cpp.

References llvm::cast(), llvm::LoadSDNode::getBasePtr(), llvm::StoreSDNode::getBasePtr(), llvm::MemSDNode::getChain(), llvm::SDValue::getNode(), llvm::SelectionDAG::getNode(), llvm::SDValue::getNumOperands(), llvm::LoadSDNode::getOffset(), llvm::StoreSDNode::getOffset(), llvm::SDValue::getOpcode(), llvm::SDNode::getOperand(), llvm::SDValue::getOperand(), llvm::SDValue::getResNo(), llvm::SDNode::hasNUsesOfValue(), llvm::SDNode::hasPredecessorHelper(), llvm::MemSDNode::isNonTemporal(), llvm::ISD::isNormalLoad(), llvm::ISD::isNormalStore(), llvm::Load, llvm::SDNode::ops(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::ISD::TokenFactor.

isValidDisp()

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

static

Definition at line 538 of file SystemZISelDAGToDAG.cpp.

References assert(), llvm::isUInt(), llvm_unreachable, and selectDisp().

maskMatters()

bool maskMatters ( RxSBGOperands & RxSBG, uint64_t Mask )

static

Definition at line 833 of file SystemZISelDAGToDAG.cpp.

References uint64_t.

selectDisp()

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

static

Definition at line 426 of file SystemZISelDAGToDAG.cpp.

References llvm::isInt(), llvm::isUInt(), and llvm_unreachable.

Referenced by expandDisp(), and isValidDisp().

shouldUseLA()

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

static

Definition at line 558 of file SystemZISelDAGToDAG.cpp.

References llvm::sampleprof::Base, llvm::ISD::FrameIndex, llvm::isInt(), llvm::isUInt(), llvm::ISD::SIGN_EXTEND, and llvm::ISD::SIGN_EXTEND_INREG.