contrib/llvm-project/llvm/lib/Target/RISCV/RISCVCallLowering.h

   1 //===-- RISCVCallLowering.h - Call lowering ---------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 /// \file
  10 /// This file describes how to lower LLVM calls to machine code calls.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_LIB_TARGET_RISCV_RISCVCALLLOWERING_H
  15 #define LLVM_LIB_TARGET_RISCV_RISCVCALLLOWERING_H
  16
  17 #include "llvm/CodeGen/CallingConvLower.h"
  18 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
  19 #include "llvm/CodeGen/ValueTypes.h"
  20
  21 namespace llvm {
  22
  23 class RISCVTargetLowering;
  24
  25 class RISCVCallLowering : public CallLowering {
  26
  27 public:
  28   RISCVCallLowering(const RISCVTargetLowering &TLI);
  29
  30   bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
  31                    ArrayRef<Register> VRegs,
  32                    FunctionLoweringInfo &FLI) const override;
  33
  34   bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
  35                             ArrayRef<ArrayRef<Register>> VRegs,
  36                             FunctionLoweringInfo &FLI) const override;
  37
  38   bool lowerCall(MachineIRBuilder &MIRBuilder,
  39                  CallLoweringInfo &Info) const override;
  40 };
  41
  42 } // end namespace llvm
  43
  44 #endif // LLVM_LIB_TARGET_RISCV_RISCVCALLLOWERING_H