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diff --git a/contrib/llvm-project/llvm/lib/Target/Mips/MipsMachineFunction.h b/contrib/llvm-project/llvm/lib/Target/Mips/MipsMachineFunction.h
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+++ b/contrib/llvm-project/llvm/lib/Target/Mips/MipsMachineFunction.h
@@ -0,0 +1,130 @@
+//===- MipsMachineFunctionInfo.h - Private data used for Mips ---*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the Mips specific subclass of MachineFunctionInfo.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_MIPS_MIPSMACHINEFUNCTION_H
+#define LLVM_LIB_TARGET_MIPS_MIPSMACHINEFUNCTION_H
+
+#include "Mips16HardFloatInfo.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineMemOperand.h"
+#include <map>
+
+namespace llvm {
+
+/// MipsFunctionInfo - This class is derived from MachineFunction private
+/// Mips target-specific information for each MachineFunction.
+class MipsFunctionInfo : public MachineFunctionInfo {
+public:
+  MipsFunctionInfo(MachineFunction &MF) : MF(MF) {}
+
+  ~MipsFunctionInfo() override;
+
+  unsigned getSRetReturnReg() const { return SRetReturnReg; }
+  void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
+
+  bool globalBaseRegSet() const;
+  Register getGlobalBaseReg();
+  Register getGlobalBaseRegForGlobalISel();
+
+  // Insert instructions to initialize the global base register in the
+  // first MBB of the function.
+  void initGlobalBaseReg();
+
+  int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
+  void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
+
+  bool hasByvalArg() const { return HasByvalArg; }
+  void setFormalArgInfo(unsigned Size, bool HasByval) {
+    IncomingArgSize = Size;
+    HasByvalArg = HasByval;
+  }
+
+  unsigned getIncomingArgSize() const { return IncomingArgSize; }
+
+  bool callsEhReturn() const { return CallsEhReturn; }
+  void setCallsEhReturn() { CallsEhReturn = true; }
+
+  void createEhDataRegsFI();
+  int getEhDataRegFI(unsigned Reg) const { return EhDataRegFI[Reg]; }
+  bool isEhDataRegFI(int FI) const;
+
+  /// Create a MachinePointerInfo that has an ExternalSymbolPseudoSourceValue
+  /// object representing a GOT entry for an external function.
+  MachinePointerInfo callPtrInfo(const char *ES);
+
+  // Functions with the "interrupt" attribute require special prologues,
+  // epilogues and additional spill slots.
+  bool isISR() const { return IsISR; }
+  void setISR() { IsISR = true; }
+  void createISRRegFI();
+  int getISRRegFI(unsigned Reg) const { return ISRDataRegFI[Reg]; }
+  bool isISRRegFI(int FI) const;
+
+  /// Create a MachinePointerInfo that has a GlobalValuePseudoSourceValue object
+  /// representing a GOT entry for a global function.
+  MachinePointerInfo callPtrInfo(const GlobalValue *GV);
+
+  void setSaveS2() { SaveS2 = true; }
+  bool hasSaveS2() const { return SaveS2; }
+
+  int getMoveF64ViaSpillFI(const TargetRegisterClass *RC);
+
+  std::map<const char *, const Mips16HardFloatInfo::FuncSignature *>
+  StubsNeeded;
+
+private:
+  virtual void anchor();
+
+  MachineFunction& MF;
+
+  /// SRetReturnReg - Some subtargets require that sret lowering includes
+  /// returning the value of the returned struct in a register. This field
+  /// holds the virtual register into which the sret argument is passed.
+  unsigned SRetReturnReg = 0;
+
+  /// GlobalBaseReg - keeps track of the virtual register initialized for
+  /// use as the global base register. This is used for PIC in some PIC
+  /// relocation models.
+  unsigned GlobalBaseReg = 0;
+
+  /// VarArgsFrameIndex - FrameIndex for start of varargs area.
+  int VarArgsFrameIndex = 0;
+
+  /// True if function has a byval argument.
+  bool HasByvalArg;
+
+  /// Size of incoming argument area.
+  unsigned IncomingArgSize;
+
+  /// CallsEhReturn - Whether the function calls llvm.eh.return.
+  bool CallsEhReturn = false;
+
+  /// Frame objects for spilling eh data registers.
+  int EhDataRegFI[4];
+
+  /// ISR - Whether the function is an Interrupt Service Routine.
+  bool IsISR = false;
+
+  /// Frame objects for spilling C0_STATUS, C0_EPC
+  int ISRDataRegFI[2];
+
+  // saveS2
+  bool SaveS2 = false;
+
+  /// FrameIndex for expanding BuildPairF64 nodes to spill and reload when the
+  /// O32 FPXX ABI is enabled. -1 is used to denote invalid index.
+  int MoveF64ViaSpillFI = -1;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_LIB_TARGET_MIPS_MIPSMACHINEFUNCTION_H