109467b48Spatrick //===- llvm/lib/Target/ARM/ARMCallLowering.h - Call lowering ----*- C++ -*-===// 209467b48Spatrick // 309467b48Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 409467b48Spatrick // See https://llvm.org/LICENSE.txt for license information. 509467b48Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 609467b48Spatrick // 709467b48Spatrick //===----------------------------------------------------------------------===// 809467b48Spatrick // 909467b48Spatrick /// \file 1009467b48Spatrick /// This file describes how to lower LLVM calls to machine code calls. 1109467b48Spatrick // 1209467b48Spatrick //===----------------------------------------------------------------------===// 1309467b48Spatrick 1409467b48Spatrick #ifndef LLVM_LIB_TARGET_ARM_ARMCALLLOWERING_H 1509467b48Spatrick #define LLVM_LIB_TARGET_ARM_ARMCALLLOWERING_H 1609467b48Spatrick 1709467b48Spatrick #include "llvm/ADT/ArrayRef.h" 1809467b48Spatrick #include "llvm/CodeGen/GlobalISel/CallLowering.h" 1909467b48Spatrick #include "llvm/IR/CallingConv.h" 2009467b48Spatrick #include <cstdint> 2109467b48Spatrick #include <functional> 2209467b48Spatrick 2309467b48Spatrick namespace llvm { 2409467b48Spatrick 2509467b48Spatrick class ARMTargetLowering; 2609467b48Spatrick class MachineInstrBuilder; 2709467b48Spatrick class MachineIRBuilder; 2809467b48Spatrick class Value; 2909467b48Spatrick 3009467b48Spatrick class ARMCallLowering : public CallLowering { 3109467b48Spatrick public: 3209467b48Spatrick ARMCallLowering(const ARMTargetLowering &TLI); 3309467b48Spatrick 3409467b48Spatrick bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val, 35*73471bf0Spatrick ArrayRef<Register> VRegs, 36*73471bf0Spatrick FunctionLoweringInfo &FLI) const override; 3709467b48Spatrick 3809467b48Spatrick bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F, 39*73471bf0Spatrick ArrayRef<ArrayRef<Register>> VRegs, 40*73471bf0Spatrick FunctionLoweringInfo &FLI) const override; 4109467b48Spatrick 4209467b48Spatrick bool lowerCall(MachineIRBuilder &MIRBuilder, 4309467b48Spatrick CallLoweringInfo &Info) const override; 4409467b48Spatrick 4509467b48Spatrick private: 4609467b48Spatrick bool lowerReturnVal(MachineIRBuilder &MIRBuilder, const Value *Val, 4709467b48Spatrick ArrayRef<Register> VRegs, 4809467b48Spatrick MachineInstrBuilder &Ret) const; 4909467b48Spatrick }; 5009467b48Spatrick 5109467b48Spatrick } // end namespace llvm 5209467b48Spatrick 5309467b48Spatrick #endif // LLVM_LIB_TARGET_ARM_ARMCALLLOWERING_H 54