SystemZFrameLowering.h Source File (original) (raw)

9#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZFRAMELOWERING_H

10#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZFRAMELOWERING_H

19namespace llvm {

23public:

25 bool StackReal, unsigned PointerSize);

27 static std::unique_ptr

40 return false;

41 }

57private:

58 unsigned PointerSize;

59};

64public:

68 bool

71 std::vector &CSI) const override;

78 bool

90 Register &FrameReg) const override;

91 void

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118};

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126 bool

129 std::vector &CSI) const override;

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139 bool

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171protected:

173};

174}

175

176#endif

MachineBasicBlock MachineBasicBlock::iterator MBBI

static GCRegistry::Add< StatepointGC > D("statepoint-example", "an example strategy for statepoint")

This file implements an indexed map.

ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...

MachineInstrBundleIterator< MachineInstr > iterator

MutableArrayRef - Represent a mutable reference to an array (0 or more elements consecutively in memo...

Wrapper class representing virtual and physical registers.

This class consists of common code factored out of the SmallVector class to reduce code duplication b...

StackOffset holds a fixed and a scalable offset in bytes.

bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBII, MutableArrayRef< CalleeSavedInfo > CSI, const TargetRegisterInfo *TRI) const override

restoreCalleeSavedRegisters - Issues instruction(s) to restore all callee saved registers and returns...

int getOrCreateFramePointerSaveIndex(MachineFunction &MF) const override

void orderFrameObjects(const MachineFunction &MF, SmallVectorImpl< int > &ObjectsToAllocate) const override

Order the symbols in the local stack frame.

bool assignCalleeSavedSpillSlots(MachineFunction &MF, const TargetRegisterInfo *TRI, std::vector< CalleeSavedInfo > &CSI) const override

assignCalleeSavedSpillSlots - Allows target to override spill slot assignment logic.

unsigned getBackchainOffset(MachineFunction &MF) const override

Definition SystemZFrameLowering.h:103

void inlineStackProbe(MachineFunction &MF, MachineBasicBlock &PrologMBB) const override

Replace a StackProbe stub (if any) with the actual probe code inline.

bool hasFPImpl(const MachineFunction &MF) const override

void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override

emitProlog/emitEpilog - These methods insert prolog and epilog code into the function.

void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override

int getReturnAddressOffset(MachineFunction &MF) const override

Definition SystemZFrameLowering.h:109

StackOffset getFrameIndexReference(const MachineFunction &MF, int FI, Register &FrameReg) const override

getFrameIndexReference - This method should return the base register and offset used to reference a f...

bool usePackedStack(MachineFunction &MF) const

void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, RegScavenger *RS) const override

This method determines which of the registers reported by TargetRegisterInfo::getCalleeSavedRegs() sh...

bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, ArrayRef< CalleeSavedInfo > CSI, const TargetRegisterInfo *TRI) const override

spillCalleeSavedRegisters - Issues instruction(s) to spill all callee saved registers and returns tru...

SystemZELFFrameLowering(unsigned PointerSize)

unsigned getRegSpillOffset(MachineFunction &MF, Register Reg) const

void processFunctionBeforeFrameFinalized(MachineFunction &MF, RegScavenger *RS) const override

processFunctionBeforeFrameFinalized - This method is called immediately before the specified function...

virtual int getOrCreateFramePointerSaveIndex(MachineFunction &MF) const =0

bool hasReservedCallFrame(const MachineFunction &MF) const override

hasReservedCallFrame - Under normal circumstances, when a frame pointer is not required,...

virtual unsigned getBackchainOffset(MachineFunction &MF) const =0

static std::unique_ptr< SystemZFrameLowering > create(const SystemZSubtarget &STI)

virtual int getReturnAddressOffset(MachineFunction &MF) const =0

unsigned getPointerSize() const

Definition SystemZFrameLowering.h:55

SystemZFrameLowering(StackDirection D, Align StackAl, int LAO, Align TransAl, bool StackReal, unsigned PointerSize)

bool allocateScavengingFrameIndexesNearIncomingSP(const MachineFunction &MF) const override

Control the placement of special register scavenging spill slots when allocating a stack frame.

Definition SystemZFrameLowering.h:31

unsigned getBackchainOffset(MachineFunction &MF) const override

Definition SystemZFrameLowering.h:158