Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/lib/Target/RISCV/RISCVFrameLowering.h

@@ -1,57 +0,0 @@
-//===-- RISCVFrameLowering.h - Define frame lowering for RISCV -*- C++ -*--===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This class implements RISCV-specific bits of TargetFrameLowering class.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_TARGET_RISCV_RISCVFRAMELOWERING_H
-#define LLVM_LIB_TARGET_RISCV_RISCVFRAMELOWERING_H
-
-#include "llvm/CodeGen/TargetFrameLowering.h"
-
-namespace llvm {
-class RISCVSubtarget;
-
-class RISCVFrameLowering : public TargetFrameLowering {
-public:
-  explicit RISCVFrameLowering(const RISCVSubtarget &STI)
-      : TargetFrameLowering(StackGrowsDown,
-                            /*StackAlignment=*/16,
-                            /*LocalAreaOffset=*/0),
-        STI(STI) {}
-
-  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
-  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
-
-  int getFrameIndexReference(const MachineFunction &MF, int FI,
-                             unsigned &FrameReg) const override;
-
-  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
-                            RegScavenger *RS) const override;
-
-  bool hasFP(const MachineFunction &MF) const override;
-
-  MachineBasicBlock::iterator
-  eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
-                                MachineBasicBlock::iterator MI) const override {
-    return MBB.erase(MI);
-  }
-
-protected:
-  const RISCVSubtarget &STI;
-
-private:
-  void determineFrameLayout(MachineFunction &MF) const;
-  void adjustReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
-                 const DebugLoc &DL, unsigned DestReg, unsigned SrcReg,
-                 int64_t Val, MachineInstr::MIFlag Flag) const;
-};
-}
-#endif