TargetInstrInfo.cpp File Reference

#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/CodeGen/MachineCombinerPattern.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/MachineScheduler.h"
#include "llvm/CodeGen/MachineTraceMetrics.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/CodeGen/ScoreboardHazardRecognizer.h"
#include "llvm/CodeGen/StackMaps.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSchedule.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCInstrItineraries.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"

Go to the source code of this file.

Functions
static bool	isAsmComment (const char *Str, const MCAsmInfo &MAI)
static const TargetRegisterClass *	canFoldCopy (const MachineInstr &MI, const TargetInstrInfo &TII, unsigned FoldIdx)
static MachineInstr *	foldPatchpoint (MachineFunction &MF, MachineInstr &MI, ArrayRef< unsigned > Ops, int FrameIndex, const TargetInstrInfo &TII)
static void	foldInlineAsmMemOperand (MachineInstr *MI, unsigned OpNo, int FI, const TargetInstrInfo &TII)
static MachineInstr *	foldInlineAsmMemOperand (MachineInstr &MI, ArrayRef< unsigned > Ops, int FI, const TargetInstrInfo &TII)
static void	transferImplicitOperands (MachineInstr *MI, const TargetRegisterInfo *TRI)
	transferImplicitOperands - MI is a pseudo-instruction, and the lowered replacement instructions immediately precede it.
static std::pair< bool, bool >	mustSwapOperands (MachineCombinerPattern Pattern)

Variables
static cl::opt< bool >	DisableHazardRecognizer ("disable-sched-hazard", cl::Hidden, cl::init(false), cl::desc("Disable hazard detection during preRA scheduling"))

Function Documentation

canFoldCopy()

static const TargetRegisterClass * canFoldCopy ( const MachineInstr &  MI, const TargetInstrInfo &  TII, unsigned  FoldIdx  )

static

Definition at line 451 of file TargetInstrInfo.cpp.

References assert(), llvm::TargetRegisterClass::contains(), llvm::MachineOperand::getReg(), llvm::MachineOperand::getSubReg(), llvm::TargetRegisterClass::hasSubClassEq(), llvm::Register::isPhysical(), llvm::Register::isVirtual(), MI, MRI, and TII.

Referenced by llvm::TargetInstrInfo::foldMemoryOperand().

foldInlineAsmMemOperand() [1/2]

static MachineInstr * foldInlineAsmMemOperand ( MachineInstr &  MI, ArrayRef< unsigned >  Ops, int  FI, const TargetInstrInfo &  TII  )

static

Definition at line 615 of file TargetInstrInfo.cpp.

References assert(), foldInlineAsmMemOperand(), MI, llvm::ArrayRef< T >::size(), and TII.

foldInlineAsmMemOperand() [2/2]

static void foldInlineAsmMemOperand ( MachineInstr *  MI, unsigned  OpNo, int  FI, const TargetInstrInfo &  TII  )

static

Definition at line 568 of file TargetInstrInfo.cpp.

References llvm::AnalyzeVirtRegInBundle(), assert(), llvm::SmallVectorBase< Size_T >::empty(), llvm::InlineAsm::Extra_MayLoad, llvm::InlineAsm::Extra_MayStore, F, foldInlineAsmMemOperand(), llvm::MachinePointerInfo::getFixedStack(), llvm::MachineFunction::getFrameInfo(), llvm::MachineOperand::getImm(), llvm::MachineFunction::getMachineMemOperand(), llvm::MachineFrameInfo::getObjectAlign(), llvm::MachineFrameInfo::getObjectSize(), llvm::MachineOperand::getReg(), llvm::MachineOperand::isTied(), llvm::InlineAsm::m, llvm::InlineAsm::Mem, MI, llvm::InlineAsm::MIOp_ExtraInfo, llvm::MachineMemOperand::MOLoad, llvm::MachineMemOperand::MONone, llvm::MachineMemOperand::MOStore, llvm::VirtRegInfo::Reads, llvm::MachineOperand::setImm(), llvm::SmallVectorBase< Size_T >::size(), TII, and llvm::VirtRegInfo::Writes.

Referenced by foldInlineAsmMemOperand(), and llvm::TargetInstrInfo::foldMemoryOperand().

foldPatchpoint()

static MachineInstr * foldPatchpoint ( MachineFunction &  MF, MachineInstr &  MI, ArrayRef< unsigned >  Ops, int  FrameIndex, const TargetInstrInfo &  TII  )

static

Definition at line 503 of file TargetInstrInfo.cpp.

References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addFrameIndex(), llvm::MachineInstrBuilder::addImm(), assert(), llvm::MachineFunction::CreateMachineInstr(), llvm::MachineInstr::getNumOperands(), llvm::MachineOperand::getReg(), llvm::MachineRegisterInfo::getRegClass(), llvm::MachineFunction::getRegInfo(), llvm::MachineOperand::getSubReg(), llvm::is_contained(), MI, llvm::report_fatal_error(), llvm::MachineInstr::tieOperands(), and TII.

Referenced by llvm::TargetInstrInfo::foldMemoryOperand().

isAsmComment()

static bool isAsmComment ( const char *  Str, const MCAsmInfo &  MAI  )

static

Definition at line 82 of file TargetInstrInfo.cpp.

References llvm::StringRef::data(), llvm::MCAsmInfo::getCommentString(), and llvm::StringRef::size().

Referenced by llvm::TargetInstrInfo::getInlineAsmLength().

mustSwapOperands()

static std::pair< bool, bool > mustSwapOperands ( MachineCombinerPattern  Pattern )

static

Definition at line 1040 of file TargetInstrInfo.cpp.

References llvm_unreachable, llvm::REASSOC_AX_BY, llvm::REASSOC_AX_YB, llvm::REASSOC_XA_BY, and llvm::REASSOC_XA_YB.

Referenced by llvm::TargetInstrInfo::reassociateOps().

transferImplicitOperands()

static void transferImplicitOperands ( MachineInstr *  MI, const TargetRegisterInfo *  TRI  )

static

transferImplicitOperands - MI is a pseudo-instruction, and the lowered replacement instructions immediately precede it.

Copy any implicit operands from MI to the replacement instruction.

Definition at line 783 of file TargetInstrInfo.cpp.

References MI, and TRI.

Referenced by llvm::TargetInstrInfo::lowerCopy().

Variable Documentation

DisableHazardRecognizer

cl::opt< bool > DisableHazardRecognizer("disable-sched-hazard", cl::Hidden, cl::init(false), cl::desc("Disable hazard detection during preRA scheduling")) ( "disable-sched-hazard"  , cl::Hidden  , cl::init(false)  , cl::desc("Disable hazard detection during preRA scheduling")    )

static

Referenced by llvm::TargetInstrInfo::usePreRAHazardRecognizer().