LLVM: lib/Target/Mips/MipsFrameLowering.cpp Source File (original) (raw)
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21using namespace llvm;
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77 if (ST.inMips16Mode())
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81}
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93 TRI->hasStackRealignment(MF);
94}
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101}
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112 int64_t Size = 0;
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120 for (const MCPhysReg *R = TRI.getCalleeSavedRegs(&MF); *R; ++R) {
121 unsigned RegSize = TRI.getSpillSize(*TRI.getMinimalPhysRegClass(*R));
123 }
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128}
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134 unsigned SP = STI.getABI().IsN64() ? Mips::SP_64 : Mips::SP;
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137 int64_t Amount = I->getOperand(0).getImm();
138 if (I->getOpcode() == Mips::ADJCALLSTACKDOWN)
139 Amount = -Amount;
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142 }
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145}
unsigned const TargetRegisterInfo * TRI
instr_iterator erase(instr_iterator I)
Remove an instruction from the instruction list and delete it.
The MachineFrameInfo class represents an abstract stack frame until prolog/epilog code is inserted.
bool hasVarSizedObjects() const
This method may be called any time after instruction selection is complete to determine if the stack ...
bool isFrameAddressTaken() const
This method may be called any time after instruction selection is complete to determine if there is a...
uint64_t estimateStackSize(const MachineFunction &MF) const
Estimate and return the size of the stack frame.
int64_t getObjectSize(int ObjectIdx) const
Return the size of the specified object.
int64_t getObjectOffset(int ObjectIdx) const
Return the assigned stack offset of the specified object from the incoming stack pointer.
int getObjectIndexBegin() const
Return the minimum frame object index.
MachineFrameInfo & getFrameInfo()
getFrameInfo - Return the frame info object for the current function.
const TargetMachine & getTarget() const
getTarget - Return the target machine this machine code is compiled with
static const MipsFrameLowering * create(const MipsSubtarget &ST)
bool hasBP(const MachineFunction &MF) const
uint64_t estimateStackSize(const MachineFunction &MF) const
MachineBasicBlock::iterator eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const override
This method is called during prolog/epilog code insertion to eliminate call frame setup and destroy p...
bool hasFPImpl(const MachineFunction &MF) const override
const MipsSubtarget & STI
virtual void adjustStackPtr(unsigned SP, int64_t Amount, MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const =0
const MipsInstrInfo * getInstrInfo() const override
const MipsRegisterInfo * getRegisterInfo() const override
const MipsABIInfo & getABI() const
virtual bool hasReservedCallFrame(const MachineFunction &MF) const
hasReservedCallFrame - Under normal circumstances, when a frame pointer is not required,...
bool DisableFramePointerElim(const MachineFunction &MF) const
DisableFramePointerElim - This returns true if frame pointer elimination optimization should be disab...
TargetRegisterInfo base class - We assume that the target defines a static array of TargetRegisterDes...
This is an optimization pass for GlobalISel generic memory operations.
const MipsFrameLowering * createMipsSEFrameLowering(const MipsSubtarget &ST)
uint64_t alignTo(uint64_t Size, Align A)
Returns a multiple of A needed to store Size bytes.
const MipsFrameLowering * createMips16FrameLowering(const MipsSubtarget &ST)
Create MipsFrameLowering objects.