LanaiISelLowering.cpp File Reference

#include "LanaiISelLowering.h"
#include "Lanai.h"
#include "LanaiCondCode.h"
#include "LanaiMachineFunctionInfo.h"
#include "LanaiSubtarget.h"
#include "LanaiTargetObjectFile.h"
#include "MCTargetDesc/LanaiBaseInfo.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/RuntimeLibcallUtil.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/CodeGen/TargetCallingConv.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/CodeGenTypes/MachineValueType.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"
#include <cassert>
#include <cmath>
#include <cstdint>
#include <cstdlib>
#include <utility>
#include "LanaiGenCallingConv.inc"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "lanai-lower"

Functions
static bool	CC_Lanai32_VarArg (unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags, CCState &State)
static LPCC::CondCode	IntCondCCodeToICC (SDValue CC, const SDLoc &DL, SDValue &RHS, SelectionDAG &DAG)
static bool	isZeroOrAllOnes (SDValue N, bool AllOnes)
static bool	isConditionalZeroOrAllOnes (SDNode *N, bool AllOnes, SDValue &CC, bool &Invert, SDValue &OtherOp, SelectionDAG &DAG)
static SDValue	combineSelectAndUse (SDNode *N, SDValue Slct, SDValue OtherOp, TargetLowering::DAGCombinerInfo &DCI, bool AllOnes)
static SDValue	combineSelectAndUseCommutative (SDNode *N, TargetLowering::DAGCombinerInfo &DCI, bool AllOnes)
static SDValue	PerformSUBCombine (SDNode *N, TargetLowering::DAGCombinerInfo &DCI)

Variables
static cl::opt< int >	LanaiLowerConstantMulThreshold ("lanai-constant-mul-threshold", cl::Hidden, cl::desc("Maximum number of instruction to generate when lowering constant " "multiplication instead of calling library function [default=14]"), cl::init(14))
static unsigned	NumFixedArgs

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "lanai-lower"

Definition at line 55 of file LanaiISelLowering.cpp.

Function Documentation

CC_Lanai32_VarArg()

static bool CC_Lanai32_VarArg ( unsigned  ValNo, MVT  ValVT, MVT  LocVT, CCValAssign::LocInfo  LocInfo, ISD::ArgFlagsTy  ArgFlags, CCState &  State  )

static

Definition at line 367 of file LanaiISelLowering.cpp.

References llvm::CCState::addLoc(), llvm::CCValAssign::AExt, llvm::CCState::AllocateStack(), llvm::CCValAssign::getMem(), llvm::ISD::ArgFlagsTy::isSExt(), llvm::ISD::ArgFlagsTy::isZExt(), NumFixedArgs, llvm::Offset, llvm::CCValAssign::SExt, and llvm::CCValAssign::ZExt.

combineSelectAndUse()

static SDValue combineSelectAndUse ( SDNode *  N, SDValue  Slct, SDValue  OtherOp, TargetLowering::DAGCombinerInfo &  DCI, bool  AllOnes  )

static

Definition at line 1418 of file LanaiISelLowering.cpp.

References llvm::AllOnes, llvm::TargetLowering::DAGCombinerInfo::DAG, llvm::SDValue::getNode(), llvm::SelectionDAG::getNode(), isConditionalZeroOrAllOnes(), N, llvm::ISD::SELECT, and std::swap().

combineSelectAndUseCommutative()

static SDValue combineSelectAndUseCommutative ( SDNode *  N, TargetLowering::DAGCombinerInfo &  DCI, bool  AllOnes  )

static

Definition at line 1443 of file LanaiISelLowering.cpp.

References llvm::AllOnes, combineSelectAndUse(), llvm::SDValue::getNode(), llvm::SDNode::hasOneUse(), and N.

IntCondCCodeToICC()

static LPCC::CondCode IntCondCCodeToICC ( SDValue  CC, const SDLoc &  DL, SDValue &  RHS, SelectionDAG &  DAG  )

static

Definition at line 803 of file LanaiISelLowering.cpp.

References CC, DL, llvm::SelectionDAG::getConstant(), llvm::LPCC::ICC_EQ, llvm::LPCC::ICC_GE, llvm::LPCC::ICC_GT, llvm::LPCC::ICC_LE, llvm::LPCC::ICC_LT, llvm::LPCC::ICC_MI, llvm::LPCC::ICC_NE, llvm::LPCC::ICC_PL, llvm::LPCC::ICC_UGE, llvm::LPCC::ICC_UGT, llvm::LPCC::ICC_ULE, llvm::LPCC::ICC_ULT, llvm_unreachable, RHS, llvm::ISD::SETEQ, llvm::ISD::SETGE, llvm::ISD::SETGT, llvm::ISD::SETLE, llvm::ISD::SETLT, llvm::ISD::SETNE, llvm::ISD::SETO, llvm::ISD::SETOEQ, llvm::ISD::SETOGE, llvm::ISD::SETOGT, llvm::ISD::SETOLE, llvm::ISD::SETOLT, llvm::ISD::SETONE, llvm::ISD::SETUEQ, llvm::ISD::SETUGE, llvm::ISD::SETUGT, llvm::ISD::SETULE, llvm::ISD::SETULT, llvm::ISD::SETUNE, and llvm::ISD::SETUO.

Referenced by llvm::LanaiTargetLowering::LowerBR_CC(), LowerBR_CC(), llvm::LanaiTargetLowering::LowerSELECT_CC(), LowerSELECT_CC(), and llvm::LanaiTargetLowering::LowerSETCC().

isConditionalZeroOrAllOnes()

static bool isConditionalZeroOrAllOnes ( SDNode *  N, bool  AllOnes, SDValue &  CC, bool &  Invert, SDValue &  OtherOp, SelectionDAG &  DAG  )

static

Definition at line 1348 of file LanaiISelLowering.cpp.

References llvm::AllOnes, CC, llvm::SelectionDAG::getAllOnesConstant(), llvm::SelectionDAG::getConstant(), isZeroOrAllOnes(), N, llvm::ISD::SELECT, llvm::ISD::SIGN_EXTEND, and llvm::ISD::ZERO_EXTEND.

isZeroOrAllOnes()

static bool isZeroOrAllOnes ( SDValue  N, bool  AllOnes  )

inlinestatic

Definition at line 1326 of file LanaiISelLowering.cpp.

References llvm::AllOnes, llvm::isAllOnesConstant(), llvm::isNullConstant(), and N.

PerformSUBCombine()

static SDValue PerformSUBCombine ( SDNode *  N, TargetLowering::DAGCombinerInfo &  DCI  )

static

Definition at line 1457 of file LanaiISelLowering.cpp.

References combineSelectAndUse(), llvm::SDValue::getNode(), llvm::SDNode::hasOneUse(), and N.

Variable Documentation

LanaiLowerConstantMulThreshold

cl::opt< int > LanaiLowerConstantMulThreshold("lanai-constant-mul-threshold", cl::Hidden, cl::desc("Maximum number of instruction to generate when lowering constant " "multiplication instead of calling library function [default=14]"), cl::init(14)) ( "lanai-constant-mul-threshold"  , cl::Hidden  , cl::desc("Maximum number of instruction to generate when lowering constant " "multiplication instead of calling library function [default=14]")  , cl::init(14)    )

static

Referenced by llvm::LanaiTargetLowering::LowerMUL().

NumFixedArgs

unsigned NumFixedArgs

static

Definition at line 366 of file LanaiISelLowering.cpp.

Referenced by CC_Lanai32_VarArg(), and llvm::CallLowering::lowerCall().