Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/lib/Target/AArch64/AArch64FrameLowering.h

@@ -1,79 +0,0 @@
-//==-- AArch64FrameLowering.h - TargetFrameLowering for AArch64 --*- 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_AARCH64_AARCH64FRAMELOWERING_H
-#define LLVM_LIB_TARGET_AARCH64_AARCH64FRAMELOWERING_H
-
-#include "llvm/CodeGen/TargetFrameLowering.h"
-
-namespace llvm {
-
-class AArch64FrameLowering : public TargetFrameLowering {
-public:
-  explicit AArch64FrameLowering()
-      : TargetFrameLowering(StackGrowsDown, 16, 0, 16,
-                            true /*StackRealignable*/) {}
-
-  void emitCalleeSavedFrameMoves(MachineBasicBlock &MBB,
-                                 MachineBasicBlock::iterator MBBI) const;
-
-  MachineBasicBlock::iterator
-  eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
-                                MachineBasicBlock::iterator I) const override;
-
-  /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
-  /// the function.
-  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
-  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
-
-  bool canUseAsPrologue(const MachineBasicBlock &MBB) const override;
-
-  int getFrameIndexReference(const MachineFunction &MF, int FI,
-                             unsigned &FrameReg) const override;
-  int resolveFrameIndexReference(const MachineFunction &MF, int FI,
-                                 unsigned &FrameReg,
-                                 bool PreferFP = false) const;
-  bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
-                                 MachineBasicBlock::iterator MI,
-                                 const std::vector<CalleeSavedInfo> &CSI,
-                                 const TargetRegisterInfo *TRI) const override;
-
-  bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
-                                  MachineBasicBlock::iterator MI,
-                                  std::vector<CalleeSavedInfo> &CSI,
-                                  const TargetRegisterInfo *TRI) const override;
-
-  /// \brief Can this function use the red zone for local allocations.
-  bool canUseRedZone(const MachineFunction &MF) const;
-
-  bool hasFP(const MachineFunction &MF) const override;
-  bool hasReservedCallFrame(const MachineFunction &MF) const override;
-
-  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
-                            RegScavenger *RS) const override;
-
-  /// Returns true if the target will correctly handle shrink wrapping.
-  bool enableShrinkWrapping(const MachineFunction &MF) const override {
-    return true;
-  }
-
-  bool enableStackSlotScavenging(const MachineFunction &MF) const override;
-
-private:
-  bool shouldCombineCSRLocalStackBump(MachineFunction &MF,
-                                      unsigned StackBumpBytes) const;
-};
-
-} // End llvm namespace
-
-#endif