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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
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
//==- SystemZTargetMachine.h - Define TargetMachine for SystemZ ---*- 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 SystemZ specific subclass of TargetMachine.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
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#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
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#include "SystemZSubtarget.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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class TargetFrameLowering;
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class SystemZTargetMachine : public LLVMTargetMachine {
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std::unique_ptr<TargetLoweringObjectFile> TLOF;
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SystemZSubtarget Subtarget;
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public:
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SystemZTargetMachine(const Target &T, StringRef TT, StringRef CPU,
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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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~SystemZTargetMachine() override;
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// Override TargetMachine.
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const SystemZSubtarget *getSubtargetImpl() const override {
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return &Subtarget;
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}
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// Override LLVMTargetMachine
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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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} // end namespace llvm
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#endif
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