13#ifndef LLVM_LIB_TARGET_CSKY_CSKYFRAMELOWERING_H
14#define LLVM_LIB_TARGET_CSKY_CSKYFRAMELOWERING_H
47 std::vector<CalleeSavedInfo> &CSI)
const override {
49 std::reverse(CSI.begin(), CSI.end());
MachineBasicBlock MachineBasicBlock::iterator DebugLoc DL
MachineBasicBlock MachineBasicBlock::iterator MBBI
unsigned const TargetRegisterInfo * TRI
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, RegScavenger *RS) const override
This method determines which of the registers reported by TargetRegisterInfo::getCalleeSavedRegs() sh...
bool assignCalleeSavedSpillSlots(MachineFunction &MF, const TargetRegisterInfo *TRI, std::vector< CalleeSavedInfo > &CSI) const override
CSKYFrameLowering(const CSKYSubtarget &STI)
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...
MachineBasicBlock::iterator eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, MachineBasicBlock::iterator MI) const override
This method is called during prolog/epilog code insertion to eliminate call frame setup and destroy p...
bool hasReservedCallFrame(const MachineFunction &MF) const override
hasReservedCallFrame - Under normal circumstances, when a frame pointer is not required,...
bool hasFPImpl(const MachineFunction &MF) const override
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override
bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, MutableArrayRef< CalleeSavedInfo > CSI, const TargetRegisterInfo *TRI) const override
restoreCalleeSavedRegisters - Issues instruction(s) to restore all callee saved registers and returns...
void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override
emitProlog/emitEpilog - These methods insert prolog and epilog code into the function.
bool hasBP(const MachineFunction &MF) const
bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, ArrayRef< CalleeSavedInfo > CSI, const TargetRegisterInfo *TRI) const override
spillCalleeSavedRegisters - Issues instruction(s) to spill all callee saved registers and returns tru...
MutableArrayRef - Represent a mutable reference to an array (0 or more elements consecutively in memo...
Wrapper class representing virtual and physical registers.
StackOffset holds a fixed and a scalable offset in bytes.
Information about stack frame layout on the target.
TargetRegisterInfo base class - We assume that the target defines a static array of TargetRegisterDes...
This is an optimization pass for GlobalISel generic memory operations.
This struct is a compact representation of a valid (non-zero power of two) alignment.