SystemZISelDAGToDAG.cpp File Reference

#include "SystemZTargetMachine.h"
#include "SystemZISelLowering.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"

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 23 of file SystemZISelDAGToDAG.cpp.

PASS_NAME

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

Definition at line 24 of file SystemZISelDAGToDAG.cpp.

Function Documentation

changeComponent()

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

static

Definition at line 429 of file SystemZISelDAGToDAG.cpp.

Referenced by expandAdjDynAlloc(), and expandDisp().

expandAdjDynAlloc()

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

static

Definition at line 440 of file SystemZISelDAGToDAG.cpp.

References changeComponent().

expandDisp()

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

static

Definition at line 464 of file SystemZISelDAGToDAG.cpp.

References changeComponent(), and selectDisp().

expandIndex()

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

static

Definition at line 452 of file SystemZISelDAGToDAG.cpp.

References llvm::sampleprof::Base.

getIPMConversion()

static IPMConversion getIPMConversion ( unsigned  CCValid, unsigned  CCMask  )

static

Definition at line 1936 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, and llvm_unreachable.

insertDAGNode()

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

static

Definition at line 638 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().

isFusableLoadOpStorePattern()

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

static

Definition at line 1303 of file SystemZISelDAGToDAG.cpp.

References 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::SDValue::getOperand(), llvm::SDNode::getOperand(), llvm::SDValue::getResNo(), llvm::SDNode::hasNUsesOfValue(), llvm::SDNode::hasPredecessorHelper(), llvm::MemSDNode::isNonTemporal(), llvm::ISD::isNormalLoad(), llvm::ISD::isNormalStore(), llvm::SDNode::ops(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::ISD::TokenFactor.

isValidDisp()

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

static

Definition at line 523 of file SystemZISelDAGToDAG.cpp.

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

maskMatters()

static bool maskMatters ( RxSBGOperands &  RxSBG, uint64_t  Mask  )

static

Definition at line 791 of file SystemZISelDAGToDAG.cpp.

selectDisp()

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

static

Definition at line 411 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 543 of file SystemZISelDAGToDAG.cpp.

References llvm::sampleprof::Base, llvm::ISD::FrameIndex, llvm::ISD::SIGN_EXTEND, and llvm::ISD::SIGN_EXTEND_INREG.