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llvm-mirror/lib/Target/AArch64/AArch64LegalizerInfo.h
Tim Northover 5b6f2d0cd7 GlobalISel: legalize va_arg on AArch64.
Uses a Custom implementation because the slot sizes being a multiple of the
pointer size isn't really universal, even for the architectures that do have a
simple "void *" va_list.

llvm-svn: 295255
2017-02-15 23:22:50 +00:00

38 lines
1.2 KiB
C++

//===- AArch64LegalizerInfo --------------------------------------*- C++ -*-==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
/// \file
/// This file declares the targeting of the Machinelegalizer class for
/// AArch64.
/// \todo This should be generated by TableGen.
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AARCH64_AARCH64MACHINELEGALIZER_H
#define LLVM_LIB_TARGET_AARCH64_AARCH64MACHINELEGALIZER_H
#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
namespace llvm {
class LLVMContext;
/// This class provides the information for the target register banks.
class AArch64LegalizerInfo : public LegalizerInfo {
public:
AArch64LegalizerInfo();
bool legalizeCustom(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &MIRBuilder) const override;
private:
bool legalizeVaArg(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &MIRBuilder) const;
};
} // End llvm namespace.
#endif