VEISelLowering.cpp File Reference

#include "VEISelLowering.h"
#include "MCTargetDesc/VEMCExpr.h"
#include "VECustomDAG.h"
#include "VEInstrBuilder.h"
#include "VEMachineFunctionInfo.h"
#include "VERegisterInfo.h"
#include "VETargetMachine.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/KnownBits.h"
#include "VEGenCallingConv.inc"
#include "VVPNodes.def"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "ve-lower"
#define	HANDLE_VP_TO_VVP(VP_OPC, VVP_NAME)    setOperationAction(ISD::VP_OPC, LegalVecVT, Custom);
#define	ADD_VVP_OP(VVP_NAME, ISD_NAME)    setOperationAction(ISD::ISD_NAME, LegalVecVT, Custom);
#define	TARGET_NODE_CASE(NAME)
#define	ADD_VVP_OP(VVP_NAME, ...)   TARGET_NODE_CASE(VVP_NAME)
#define	ADD_VVP_OP(VVP_NAME, ...)   case VEISD::VVP_NAME:
#define	ADD_VVP_OP(VVP_NAME, ISD_NAME)   case ISD::ISD_NAME:

Functions
CCAssignFn *	getReturnCC (CallingConv::ID CallConv)
CCAssignFn *	getParamCC (CallingConv::ID CallConv, bool IsVarArg)
static SDValue	prepareTS1AM (SDValue Op, SelectionDAG &DAG, SDValue &Flag, SDValue &Bits)
static SDValue	finalizeTS1AM (SDValue Op, SelectionDAG &DAG, SDValue Data, SDValue Bits)
static SDValue	lowerLoadF128 (SDValue Op, SelectionDAG &DAG)
static SDValue	lowerLoadI1 (SDValue Op, SelectionDAG &DAG)
static SDValue	lowerStoreF128 (SDValue Op, SelectionDAG &DAG)
static SDValue	lowerStoreI1 (SDValue Op, SelectionDAG &DAG)
static SDValue	lowerFRAMEADDR (SDValue Op, SelectionDAG &DAG, const VETargetLowering &TLI, const VESubtarget *Subtarget)
static SDValue	lowerRETURNADDR (SDValue Op, SelectionDAG &DAG, const VETargetLowering &TLI, const VESubtarget *Subtarget)
static bool	getUniqueInsertion (SDNode *N, unsigned &UniqueIdx)
static SDValue	getSplatValue (SDNode *N)
static bool	isSimm7 (SDValue V)
static bool	isMImm (SDValue V)
static unsigned	decideComp (EVT SrcVT, ISD::CondCode CC)
static EVT	decideCompType (EVT SrcVT)
static bool	safeWithoutCompWithNull (EVT SrcVT, ISD::CondCode CC, bool WithCMov)
static SDValue	generateComparison (EVT VT, SDValue LHS, SDValue RHS, ISD::CondCode CC, bool WithCMov, const SDLoc &DL, SelectionDAG &DAG)
static bool	isI32InsnAllUses (const SDNode *User, const SDNode *N)
static bool	isI32Insn (const SDNode *User, const SDNode *N)

Variables
static const MVT	AllVectorVTs []
static const MVT	AllMaskVTs [] = {MVT::v256i1, MVT::v512i1}
static const MVT	AllPackedVTs [] = {MVT::v512i32, MVT::v512f32}

Macro Definition Documentation

ADD_VVP_OP [1/4]

#define ADD_VVP_OP	(		VVP_NAME,
			ISD_NAME
	)		setOperationAction(ISD::ISD_NAME, LegalVecVT, Custom);

ADD_VVP_OP [2/4]

#define ADD_VVP_OP	(		VVP_NAME,
			ISD_NAME
	)		case ISD::ISD_NAME:

ADD_VVP_OP [3/4]

#define ADD_VVP_OP	(		VVP_NAME,
			...
	)		TARGET_NODE_CASE(VVP_NAME)

ADD_VVP_OP [4/4]

#define ADD_VVP_OP	(		VVP_NAME,
			...
	)		case VEISD::VVP_NAME:

DEBUG_TYPE

#define DEBUG_TYPE   "ve-lower"

Definition at line 39 of file VEISelLowering.cpp.

HANDLE_VP_TO_VVP

#define HANDLE_VP_TO_VVP	(		VP_OPC,
			VVP_NAME
	)		setOperationAction(ISD::VP_OPC, LegalVecVT, Custom);

TARGET_NODE_CASE

#define TARGET_NODE_CASE

(

NAME

)

Value:

  case VEISD::NAME:                                                            \
    return "VEISD::" #NAME;

Function Documentation

decideComp()

static unsigned decideComp ( EVT  SrcVT, ISD::CondCode  CC  )

static

Definition at line 2732 of file VEISelLowering.cpp.

References CC, llvm::VEISD::CMPF, llvm::VEISD::CMPI, llvm::VEISD::CMPQ, llvm::VEISD::CMPU, and llvm::EVT::isFloatingPoint().

Referenced by generateComparison().

decideCompType()

static EVT decideCompType ( EVT  SrcVT )

static

Definition at line 2741 of file VEISelLowering.cpp.

Referenced by generateComparison().

finalizeTS1AM()

static SDValue finalizeTS1AM ( SDValue  Op, SelectionDAG &  DAG, SDValue  Data, SDValue  Bits  )

static

Definition at line 1179 of file VEISelLowering.cpp.

References llvm::ISD::AND, llvm::Data, DL, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), and llvm::ISD::SRL.

Referenced by llvm::VETargetLowering::lowerATOMIC_SWAP().

generateComparison()

static SDValue generateComparison ( EVT  VT, SDValue  LHS, SDValue  RHS, ISD::CondCode  CC, bool  WithCMov, const SDLoc &  DL, SelectionDAG &  DAG  )

static

Definition at line 2772 of file VEISelLowering.cpp.

References CC, decideComp(), decideCompType(), DL, llvm::SelectionDAG::getNode(), llvm::isNullConstant(), llvm::isNullFPConstant(), LHS, RHS, and safeWithoutCompWithNull().

Referenced by llvm::VETargetLowering::combineSelectCC().

getParamCC()

CCAssignFn * getParamCC	(	CallingConv::ID	CallConv,
		bool	IsVarArg
	)

Definition at line 56 of file VEISelLowering.cpp.

References llvm::CallingConv::Fast.

Referenced by llvm::VETargetLowering::LowerCall(), and llvm::VETargetLowering::LowerFormalArguments().

getReturnCC()

CCAssignFn * getReturnCC

(

CallingConv::ID

CallConv

)

Definition at line 47 of file VEISelLowering.cpp.

References llvm::CallingConv::Fast.

Referenced by llvm::VETargetLowering::CanLowerReturn(), llvm::VETargetLowering::LowerCall(), and llvm::VETargetLowering::LowerReturn().

getSplatValue()

static SDValue getSplatValue ( SDNode *  N )

static

Definition at line 1821 of file VEISelLowering.cpp.

References N.

getUniqueInsertion()

static bool getUniqueInsertion ( SDNode *  N, unsigned &  UniqueIdx  )

static

Definition at line 1795 of file VEISelLowering.cpp.

References Idx, and N.

Referenced by llvm::VETargetLowering::lowerBUILD_VECTOR().

isI32Insn()

static bool isI32Insn ( const SDNode *  User, const SDNode *  N  )

static

Definition at line 2895 of file VEISelLowering.cpp.

References llvm::ISD::ADD, llvm::ISD::AND, llvm::ISD::ATOMIC_CMP_SWAP, llvm::ISD::ATOMIC_SWAP, llvm::ISD::BITCAST, llvm::ISD::BR_CC, llvm::ISD::BSWAP, llvm::VEISD::CMOV, llvm::VEISD::CMPI, llvm::VEISD::CMPU, llvm::ISD::CopyToReg, llvm::User::getOperand(), isI32InsnAllUses(), llvm::isIntVECondCode(), llvm::ISD::MUL, N, llvm::ISD::OR, llvm::ISD::SDIV, llvm::ISD::SELECT, llvm::ISD::SELECT_CC, llvm::ISD::SETCC, llvm::ISD::SHL, llvm::ISD::SINT_TO_FP, llvm::ISD::SMAX, llvm::ISD::SMIN, llvm::ISD::SRA, llvm::ISD::SRL, llvm::ISD::SUB, llvm::ISD::UDIV, llvm::ISD::UINT_TO_FP, and llvm::ISD::XOR.

Referenced by llvm::VETargetLowering::combineTRUNCATE(), and isI32InsnAllUses().

isI32InsnAllUses()

static bool isI32InsnAllUses ( const SDNode *  User, const SDNode *  N  )

static

Definition at line 2952 of file VEISelLowering.cpp.

References llvm::ISD::ANY_EXTEND, assert(), llvm::VEISD::CMOV, isI32Insn(), N, llvm::ISD::SELECT, llvm::ISD::SELECT_CC, llvm::ISD::SIGN_EXTEND, llvm::Value::uses(), and llvm::ISD::ZERO_EXTEND.

Referenced by isI32Insn().

isMImm()

static bool isMImm ( SDValue  V )

static

Definition at line 2711 of file VEISelLowering.cpp.

References llvm::CallingConv::C, llvm::getFpImmVal(), llvm::getImmVal(), llvm::EVT::isFloatingPoint(), llvm::EVT::isInteger(), llvm::isMImm32Val(), llvm::isMImmVal(), and llvm::EVT::isVector().

Referenced by llvm::VETargetLowering::combineSelect(), and llvm::VETargetLowering::combineSelectCC().

isSimm7()

static bool isSimm7 ( SDValue  V )

static

Definition at line 2689 of file VEISelLowering.cpp.

References llvm::CallingConv::C, llvm::EVT::isFloatingPoint(), llvm::EVT::isInteger(), and llvm::EVT::isVector().

Referenced by llvm::VETargetLowering::combineSelectCC().

lowerFRAMEADDR()

static SDValue lowerFRAMEADDR ( SDValue  Op, SelectionDAG &  DAG, const VETargetLowering &  TLI, const VESubtarget *  Subtarget  )

static

Definition at line 1723 of file VEISelLowering.cpp.

References llvm::Depth, DL, llvm::SelectionDAG::getCopyFromReg(), llvm::MachineFunction::getDataLayout(), llvm::SelectionDAG::getEntryNode(), llvm::MachineFunction::getFrameInfo(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getMachineFunction(), llvm::TargetLoweringBase::getPointerTy(), llvm::VESubtarget::getRegisterInfo(), and llvm::MachineFrameInfo::setFrameAddressIsTaken().

Referenced by llvm::VETargetLowering::LowerOperation(), and lowerRETURNADDR().

lowerLoadF128()

static SDValue lowerLoadF128 ( SDValue  Op, SelectionDAG &  DAG  )

static

Definition at line 1322 of file VEISelLowering.cpp.

References llvm::ISD::ADD, assert(), DL, llvm::MemSDNode::getAlign(), llvm::LoadSDNode::getBasePtr(), llvm::MemSDNode::getChain(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getMachineNode(), llvm::SelectionDAG::getMergeValues(), llvm::SDValue::getNode(), llvm::SelectionDAG::getNode(), llvm::LoadSDNode::getOffset(), llvm::MemSDNode::getPointerInfo(), llvm::SelectionDAG::getTargetConstant(), llvm::SDValue::getValueType(), llvm::SDValue::isUndef(), llvm::MemSDNode::isVolatile(), llvm::MachineMemOperand::MONone, llvm::MachineMemOperand::MOVolatile, and llvm::ISD::TokenFactor.

Referenced by llvm::VETargetLowering::lowerLOAD().

lowerLoadI1()

static SDValue lowerLoadI1 ( SDValue  Op, SelectionDAG &  DAG  )

static

Definition at line 1367 of file VEISelLowering.cpp.

References llvm::ISD::ADD, Addr, assert(), DL, llvm::MemSDNode::getAlign(), llvm::LoadSDNode::getBasePtr(), llvm::MemSDNode::getChain(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getMachineNode(), llvm::MemSDNode::getMemoryVT(), llvm::SelectionDAG::getMergeValues(), llvm::SDValue::getNode(), llvm::SelectionDAG::getNode(), llvm::LoadSDNode::getOffset(), llvm::MemSDNode::getPointerInfo(), llvm::SelectionDAG::getTargetConstant(), llvm::SDValue::isUndef(), llvm::MemSDNode::isVolatile(), llvm::MachineMemOperand::MONone, llvm::MachineMemOperand::MOVolatile, and llvm::ISD::TokenFactor.

Referenced by llvm::VETargetLowering::lowerLOAD().

lowerRETURNADDR()

static SDValue lowerRETURNADDR ( SDValue  Op, SelectionDAG &  DAG, const VETargetLowering &  TLI, const VESubtarget *  Subtarget  )

static

Definition at line 1744 of file VEISelLowering.cpp.

References llvm::ISD::ADD, DL, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getEntryNode(), llvm::MachineFunction::getFrameInfo(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getMachineFunction(), llvm::SelectionDAG::getNode(), lowerFRAMEADDR(), llvm::Offset, llvm::MachineFrameInfo::setReturnAddressIsTaken(), and llvm::TargetLowering::verifyReturnAddressArgumentIsConstant().

Referenced by llvm::VETargetLowering::LowerOperation().

lowerStoreF128()

static SDValue lowerStoreF128 ( SDValue  Op, SelectionDAG &  DAG  )

static

Definition at line 1451 of file VEISelLowering.cpp.

References llvm::ISD::ADD, assert(), DL, llvm::MemSDNode::getAlign(), llvm::StoreSDNode::getBasePtr(), llvm::MemSDNode::getChain(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getMachineNode(), llvm::SelectionDAG::getNode(), llvm::StoreSDNode::getOffset(), llvm::SelectionDAG::getStore(), llvm::SelectionDAG::getTargetConstant(), llvm::StoreSDNode::getValue(), llvm::SDValue::getValueType(), llvm::SDValue::isUndef(), llvm::MemSDNode::isVolatile(), llvm::MachineMemOperand::MONone, llvm::MachineMemOperand::MOVolatile, and llvm::ISD::TokenFactor.

Referenced by llvm::VETargetLowering::lowerSTORE().

lowerStoreI1()

static SDValue lowerStoreI1 ( SDValue  Op, SelectionDAG &  DAG  )

static

Definition at line 1492 of file VEISelLowering.cpp.

References llvm::ISD::ADD, Addr, assert(), DL, llvm::MemSDNode::getAlign(), llvm::StoreSDNode::getBasePtr(), llvm::MemSDNode::getChain(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getMachineNode(), llvm::MemSDNode::getMemoryVT(), llvm::SelectionDAG::getNode(), llvm::StoreSDNode::getOffset(), llvm::SelectionDAG::getStore(), llvm::SelectionDAG::getTargetConstant(), llvm::StoreSDNode::getValue(), llvm::SDValue::isUndef(), llvm::MemSDNode::isVolatile(), llvm::MachineMemOperand::MONone, llvm::MachineMemOperand::MOVolatile, and llvm::ISD::TokenFactor.

Referenced by llvm::VETargetLowering::lowerSTORE().

prepareTS1AM()

static SDValue prepareTS1AM ( SDValue  Op, SelectionDAG &  DAG, SDValue &  Flag, SDValue &  Bits  )

static

Definition at line 1157 of file VEISelLowering.cpp.

References llvm::ISD::AND, DL, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SDValue::getValueType(), N, Ptr, and llvm::ISD::SHL.

Referenced by llvm::VETargetLowering::lowerATOMIC_SWAP().

safeWithoutCompWithNull()

static bool safeWithoutCompWithNull ( EVT  SrcVT, ISD::CondCode  CC, bool  WithCMov  )

static

Definition at line 2747 of file VEISelLowering.cpp.

References CC, and llvm::EVT::isFloatingPoint().

Referenced by generateComparison().

Variable Documentation

AllMaskVTs

const MVT AllMaskVTs[] = {MVT::v256i1, MVT::v512i1}

static

Definition at line 79 of file VEISelLowering.cpp.

AllPackedVTs

const MVT AllPackedVTs[] = {MVT::v512i32, MVT::v512f32}

static

Definition at line 81 of file VEISelLowering.cpp.

AllVectorVTs

const MVT AllVectorVTs[]

static

Initial value:

= {MVT::v256i32, MVT::v512i32, MVT::v256i64,
                                   MVT::v256f32, MVT::v512f32, MVT::v256f64}

Definition at line 76 of file VEISelLowering.cpp.