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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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64
external/llvm/lib/Target/SystemZ/SystemZFrameLowering.h vendored
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//===-- SystemZFrameLowering.h - Frame lowering for SystemZ -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZFRAMELOWERING_H
#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZFRAMELOWERING_H
#include "llvm/ADT/IndexedMap.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
namespace llvm {
class SystemZTargetMachine;
class SystemZSubtarget;
class SystemZFrameLowering : public TargetFrameLowering {
IndexedMap<unsigned> RegSpillOffsets;
public:
SystemZFrameLowering();
// Override TargetFrameLowering.
bool isFPCloseToIncomingSP() const override { return false; }
const SpillSlot *getCalleeSavedSpillSlots(unsigned &NumEntries) const
override;
void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
RegScavenger *RS) const override;
bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const override;
bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBII,
std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const
override;
void processFunctionBeforeFrameFinalized(MachineFunction &MF,
RegScavenger *RS) const override;
void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
bool hasFP(const MachineFunction &MF) const override;
int getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const override;
bool hasReservedCallFrame(const MachineFunction &MF) const override;
MachineBasicBlock::iterator
eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI) const override;
// Return the number of bytes in the callee-allocated part of the frame.
uint64_t getAllocatedStackSize(const MachineFunction &MF) const;
// Return the byte offset from the incoming stack pointer of Reg's
// ABI-defined save slot. Return 0 if no slot is defined for Reg.
unsigned getRegSpillOffset(unsigned Reg) const {
return RegSpillOffsets[Reg];
}
};
} // end namespace llvm
#endif