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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
//===- AArch64CallLowering.h - Call lowering --------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// This file describes how to lower LLVM calls to machine code calls.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_AARCH64_AARCH64CALLLOWERING_H
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#define LLVM_LIB_TARGET_AARCH64_AARCH64CALLLOWERING_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/CodeGen/GlobalISel/CallLowering.h"
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#include "llvm/IR/CallingConv.h"
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#include <cstdint>
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#include <functional>
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namespace llvm {
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class AArch64TargetLowering;
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class CCValAssign;
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class DataLayout;
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class MachineIRBuilder;
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class MachineRegisterInfo;
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class Type;
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class AArch64CallLowering: public CallLowering {
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public:
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AArch64CallLowering(const AArch64TargetLowering &TLI);
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bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
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ArrayRef<unsigned> VRegs) const override;
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bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
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ArrayRef<unsigned> VRegs) const override;
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bool lowerCall(MachineIRBuilder &MIRBuilder, CallingConv::ID CallConv,
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const MachineOperand &Callee, const ArgInfo &OrigRet,
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ArrayRef<ArgInfo> OrigArgs) const override;
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private:
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using RegHandler = std::function<void(MachineIRBuilder &, Type *, unsigned,
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CCValAssign &)>;
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using MemHandler =
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std::function<void(MachineIRBuilder &, int, CCValAssign &)>;
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using SplitArgTy = std::function<void(unsigned, uint64_t)>;
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void splitToValueTypes(const ArgInfo &OrigArgInfo,
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SmallVectorImpl<ArgInfo> &SplitArgs,
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const DataLayout &DL, MachineRegisterInfo &MRI,
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CallingConv::ID CallConv,
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const SplitArgTy &SplitArg) const;
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_AARCH64_AARCH64CALLLOWERING_H
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