| //===- lib/Target/AMDGPU/AMDGPUCallLowering.h - Call lowering -*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// This file describes how to lower LLVM calls to machine code calls. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUCALLLOWERING_H |
| #define LLVM_LIB_TARGET_AMDGPU_AMDGPUCALLLOWERING_H |
| |
| #include "AMDGPU.h" |
| #include "llvm/CodeGen/GlobalISel/CallLowering.h" |
| |
| namespace llvm { |
| |
| class AMDGPUTargetLowering; |
| |
| class AMDGPUCallLowering: public CallLowering { |
| unsigned lowerParameterPtr(MachineIRBuilder &MIRBuilder, Type *ParamTy, |
| uint64_t Offset) const; |
| |
| void lowerParameter(MachineIRBuilder &MIRBuilder, Type *ParamTy, |
| uint64_t Offset, unsigned Align, |
| unsigned DstReg) const; |
| |
| public: |
| AMDGPUCallLowering(const AMDGPUTargetLowering &TLI); |
| |
| bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val, |
| ArrayRef<unsigned> VRegs) const override; |
| bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F, |
| ArrayRef<unsigned> VRegs) const override; |
| static CCAssignFn *CCAssignFnForCall(CallingConv::ID CC, bool IsVarArg); |
| static CCAssignFn *CCAssignFnForReturn(CallingConv::ID CC, bool IsVarArg); |
| }; |
| } // End of namespace llvm; |
| #endif |