Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/lib/Target/ARM/ARMFrameLowering.h

@@ -1,86 +0,0 @@
-//===- ARMTargetFrameLowering.h - Define frame lowering for ARM -*- 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_ARM_ARMFRAMELOWERING_H
-#define LLVM_LIB_TARGET_ARM_ARMFRAMELOWERING_H
-
-#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/CodeGen/TargetFrameLowering.h"
-#include <vector>
-
-namespace llvm {
-
-class ARMSubtarget;
-class CalleeSavedInfo;
-class MachineFunction;
-
-class ARMFrameLowering : public TargetFrameLowering {
-protected:
-  const ARMSubtarget &STI;
-
-public:
-  explicit ARMFrameLowering(const ARMSubtarget &sti);
-
-  /// 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 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;
-
-  bool noFramePointerElim(const MachineFunction &MF) const override;
-
-  bool hasFP(const MachineFunction &MF) const override;
-  bool hasReservedCallFrame(const MachineFunction &MF) const override;
-  bool canSimplifyCallFramePseudos(const MachineFunction &MF) const override;
-  int getFrameIndexReference(const MachineFunction &MF, int FI,
-                             unsigned &FrameReg) const override;
-  int ResolveFrameIndexReference(const MachineFunction &MF, int FI,
-                                 unsigned &FrameReg, int SPAdj) const;
-
-  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
-                            RegScavenger *RS) const override;
-
-  void adjustForSegmentedStacks(MachineFunction &MF,
-                                MachineBasicBlock &MBB) const override;
-
-  /// Returns true if the target will correctly handle shrink wrapping.
-  bool enableShrinkWrapping(const MachineFunction &MF) const override {
-    return true;
-  }
-
-private:
-  void emitPushInst(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
-                    const std::vector<CalleeSavedInfo> &CSI, unsigned StmOpc,
-                    unsigned StrOpc, bool NoGap,
-                    bool(*Func)(unsigned, bool), unsigned NumAlignedDPRCS2Regs,
-                    unsigned MIFlags = 0) const;
-  void emitPopInst(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
-                   std::vector<CalleeSavedInfo> &CSI, unsigned LdmOpc,
-                   unsigned LdrOpc, bool isVarArg, bool NoGap,
-                   bool(*Func)(unsigned, bool),
-                   unsigned NumAlignedDPRCS2Regs) const;
-
-  MachineBasicBlock::iterator
-  eliminateCallFramePseudoInstr(MachineFunction &MF,
-                                MachineBasicBlock &MBB,
-                                MachineBasicBlock::iterator MI) const override;
-};
-
-} // end namespace llvm
-
-#endif // LLVM_LIB_TARGET_ARM_ARMFRAMELOWERING_H