1 files changed, 67 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/BPF/BPFInstrInfo.h b/contrib/llvm-project/llvm/lib/Target/BPF/BPFInstrInfo.h
new file mode 100644
index 000000000000..354aca1bd2f9
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/Target/BPF/BPFInstrInfo.h
@@ -0,0 +1,67 @@
+//===-- BPFInstrInfo.h - BPF Instruction Information ------------*- 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 contains the BPF implementation of the TargetInstrInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_BPF_BPFINSTRINFO_H
+#define LLVM_LIB_TARGET_BPF_BPFINSTRINFO_H
+
+#include "BPFRegisterInfo.h"
+#include "llvm/CodeGen/TargetInstrInfo.h"
+
+#define GET_INSTRINFO_HEADER
+#include "BPFGenInstrInfo.inc"
+
+namespace llvm {
+
+class BPFInstrInfo : public BPFGenInstrInfo {
+  const BPFRegisterInfo RI;
+
+public:
+  BPFInstrInfo();
+
+  const BPFRegisterInfo &getRegisterInfo() const { return RI; }
+
+  void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
+                   const DebugLoc &DL, MCRegister DestReg, MCRegister SrcReg,
+                   bool KillSrc) const override;
+
+  bool expandPostRAPseudo(MachineInstr &MI) const override;
+
+  void storeRegToStackSlot(MachineBasicBlock &MBB,
+                           MachineBasicBlock::iterator MBBI, Register SrcReg,
+                           bool isKill, int FrameIndex,
+                           const TargetRegisterClass *RC,
+                           const TargetRegisterInfo *TRI,
+                           Register VReg) const override;
+
+  void loadRegFromStackSlot(MachineBasicBlock &MBB,
+                            MachineBasicBlock::iterator MBBI, Register DestReg,
+                            int FrameIndex, const TargetRegisterClass *RC,
+                            const TargetRegisterInfo *TRI,
+                            Register VReg) const override;
+  bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
+                     MachineBasicBlock *&FBB,
+                     SmallVectorImpl<MachineOperand> &Cond,
+                     bool AllowModify) const override;
+
+  unsigned removeBranch(MachineBasicBlock &MBB,
+                        int *BytesRemoved = nullptr) const override;
+  unsigned insertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
+                        MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond,
+                        const DebugLoc &DL,
+                        int *BytesAdded = nullptr) const override;
+private:
+  void expandMEMCPY(MachineBasicBlock::iterator) const;
+
+};
+}
+
+#endif