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https://github.com/c64scene-ar/llvm-6502.git
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d12434058d
These recently all grew a unique_ptr<TargetLoweringObjectFile> member in r221878. When anyone calls a virtual method of a class, clang-cl requires all virtual methods to be semantically valid. This includes the implicit virtual destructor, which triggers instantiation of the unique_ptr destructor, which fails because the type being deleted is incomplete. This is just part of the ongoing saga of PR20337, which is affecting Blink as well. Because the MSVC ABI doesn't have key functions, we end up referencing the vtable and implicit destructor on any virtual call through a class. We don't actually end up emitting the dtor, so it'd be good if we could avoid this unneeded type completion work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222480 91177308-0d34-0410-b5e6-96231b3b80d8
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
//===-- MipsTargetMachine.h - Define TargetMachine for Mips -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the Mips specific subclass of TargetMachine.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_MIPS_MIPSTARGETMACHINE_H
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#define LLVM_LIB_TARGET_MIPS_MIPSTARGETMACHINE_H
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#include "MipsSubtarget.h"
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#include "llvm/CodeGen/Passes.h"
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#include "llvm/CodeGen/SelectionDAGISel.h"
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#include "llvm/Target/TargetFrameLowering.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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class formatted_raw_ostream;
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class MipsRegisterInfo;
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class MipsTargetMachine : public LLVMTargetMachine {
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bool isLittle;
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std::unique_ptr<TargetLoweringObjectFile> TLOF;
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MipsSubtarget *Subtarget;
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MipsSubtarget DefaultSubtarget;
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MipsSubtarget NoMips16Subtarget;
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MipsSubtarget Mips16Subtarget;
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mutable StringMap<std::unique_ptr<MipsSubtarget>> SubtargetMap;
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public:
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MipsTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
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const TargetOptions &Options, Reloc::Model RM,
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CodeModel::Model CM, CodeGenOpt::Level OL, bool isLittle);
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~MipsTargetMachine() override;
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void addAnalysisPasses(PassManagerBase &PM) override;
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const MipsSubtarget *getSubtargetImpl() const override {
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if (Subtarget)
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return Subtarget;
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return &DefaultSubtarget;
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}
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const MipsSubtarget *getSubtargetImpl(const Function &F) const override;
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/// \brief Reset the subtarget for the Mips target.
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void resetSubtarget(MachineFunction *MF);
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// Pass Pipeline Configuration
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TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
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TargetLoweringObjectFile *getObjFileLowering() const override {
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return TLOF.get();
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}
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};
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/// MipsebTargetMachine - Mips32/64 big endian target machine.
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///
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class MipsebTargetMachine : public MipsTargetMachine {
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virtual void anchor();
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public:
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MipsebTargetMachine(const Target &T, StringRef TT,
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StringRef CPU, StringRef FS, const TargetOptions &Options,
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL);
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};
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/// MipselTargetMachine - Mips32/64 little endian target machine.
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///
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class MipselTargetMachine : public MipsTargetMachine {
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virtual void anchor();
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public:
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MipselTargetMachine(const Target &T, StringRef TT,
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StringRef CPU, StringRef FS, const TargetOptions &Options,
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL);
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};
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} // End llvm namespace
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#endif
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