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e1a5f668b3
I've now needed to add an extra parameter to this call twice recently. Not only is the signature getting extremely unwieldy, but just updating all of the callsites and implementations is a pain. Putting the parameters in a struct sidesteps both issues. llvm-svn: 368408
53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
//===- llvm/lib/Target/X86/X86CallLowering.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_X86_X86CALLLOWERING_H
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#define LLVM_LIB_TARGET_X86_X86CALLLOWERING_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 <functional>
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namespace llvm {
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class DataLayout;
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class MachineRegisterInfo;
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class X86TargetLowering;
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class X86CallLowering : public CallLowering {
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public:
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X86CallLowering(const X86TargetLowering &TLI);
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bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
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ArrayRef<Register> VRegs) const override;
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bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
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ArrayRef<ArrayRef<Register>> VRegs) const override;
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bool lowerCall(MachineIRBuilder &MIRBuilder,
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CallLoweringInfo &Info) const override;
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private:
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/// A function of this type is used to perform value split action.
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using SplitArgTy = std::function<void(ArrayRef<Register>)>;
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bool splitToValueTypes(const ArgInfo &OrigArgInfo,
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SmallVectorImpl<ArgInfo> &SplitArgs,
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const DataLayout &DL, MachineRegisterInfo &MRI,
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SplitArgTy SplitArg) const;
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_X86_X86CALLLOWERING_H
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