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6a21619ebc
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. llvm-svn: 222480
72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
//===-- MSP430TargetMachine.cpp - Define TargetMachine for MSP430 ---------===//
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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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// Top-level implementation for the MSP430 target.
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//
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//===----------------------------------------------------------------------===//
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#include "MSP430TargetMachine.h"
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#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
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#include "MSP430.h"
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#include "llvm/CodeGen/Passes.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/PassManager.h"
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#include "llvm/Support/TargetRegistry.h"
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using namespace llvm;
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extern "C" void LLVMInitializeMSP430Target() {
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// Register the target.
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RegisterTargetMachine<MSP430TargetMachine> X(TheMSP430Target);
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}
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MSP430TargetMachine::MSP430TargetMachine(const Target &T, StringRef TT,
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StringRef CPU, StringRef FS,
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const TargetOptions &Options,
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL)
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: LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
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TLOF(make_unique<TargetLoweringObjectFileELF>()),
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Subtarget(TT, CPU, FS, *this) {
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initAsmInfo();
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}
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MSP430TargetMachine::~MSP430TargetMachine() {}
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namespace {
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/// MSP430 Code Generator Pass Configuration Options.
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class MSP430PassConfig : public TargetPassConfig {
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public:
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MSP430PassConfig(MSP430TargetMachine *TM, PassManagerBase &PM)
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: TargetPassConfig(TM, PM) {}
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MSP430TargetMachine &getMSP430TargetMachine() const {
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return getTM<MSP430TargetMachine>();
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}
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bool addInstSelector() override;
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bool addPreEmitPass() override;
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};
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} // namespace
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TargetPassConfig *MSP430TargetMachine::createPassConfig(PassManagerBase &PM) {
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return new MSP430PassConfig(this, PM);
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}
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bool MSP430PassConfig::addInstSelector() {
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// Install an instruction selector.
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addPass(createMSP430ISelDag(getMSP430TargetMachine(), getOptLevel()));
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return false;
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}
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bool MSP430PassConfig::addPreEmitPass() {
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// Must run branch selection immediately preceding the asm printer.
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addPass(createMSP430BranchSelectionPass());
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return false;
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}
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