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//===-- llvm/lib/Target/AArch64/AArch64CallLowering.h - Call lowering -----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file describes how to lower LLVM calls to machine code calls.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AARCH64_AARCH64CALLLOWERING
#define LLVM_LIB_TARGET_AARCH64_AARCH64CALLLOWERING
#include "llvm/CodeGen/GlobalISel/CallLowering.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/ValueTypes.h"
namespace llvm {
class AArch64TargetLowering;
class AArch64CallLowering: public CallLowering {
public:
AArch64CallLowering(const AArch64TargetLowering &TLI);
bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
unsigned VReg) const override;
bool lowerFormalArguments(MachineIRBuilder &MIRBuilder,
const Function::ArgumentListType &Args,
ArrayRef<unsigned> VRegs) const override;
bool lowerCall(MachineIRBuilder &MIRBuilder, const MachineOperand &Callee,
ArrayRef<Type *> ResTys, ArrayRef<unsigned> ResRegs,
ArrayRef<Type *> ArgTys,
ArrayRef<unsigned> ArgRegs) const override;
private:
typedef std::function<void(MachineIRBuilder &, Type *, unsigned, unsigned)>
AssignFnTy;
bool handleAssignments(MachineIRBuilder &MIRBuilder, CCAssignFn *AssignFn,
ArrayRef<Type *> ArgsTypes, ArrayRef<unsigned> ArgRegs,
AssignFnTy AssignValToReg) const;
};
} // End of namespace llvm;
#endif
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