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https://github.com/c64scene-ar/llvm-6502.git
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737c9f6005
r201608 made llvm corretly handle private globals with MachO. r201622 fixed a bug in it and r201624 and r201625 were changes for using private linkage, assuming that llvm would do the right thing. They all got reverted because r201608 introduced a crash in LTO. This patch includes a fix for that. The issue was that TargetLoweringObjectFile now has to be initialized before we can mangle names of private globals. This is trivially true during the normal codegen pipeline (the asm printer does it), but LTO has to do it manually. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201700 91177308-0d34-0410-b5e6-96231b3b80d8
58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
//===-- X86TargetObjectFile.h - X86 Object Info -----------------*- 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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#ifndef LLVM_TARGET_X86_TARGETOBJECTFILE_H
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#define LLVM_TARGET_X86_TARGETOBJECTFILE_H
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#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
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#include "llvm/Target/TargetLoweringObjectFile.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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/// X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin
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/// x86-64.
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class X86_64MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
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public:
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const MCExpr *
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getTTypeGlobalReference(const GlobalValue *GV, unsigned Encoding,
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Mangler &Mang, const TargetMachine &TM,
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MachineModuleInfo *MMI, MCStreamer &Streamer) const
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LLVM_OVERRIDE;
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// getCFIPersonalitySymbol - The symbol that gets passed to
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// .cfi_personality.
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MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV, Mangler &Mang,
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const TargetMachine &TM,
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MachineModuleInfo *MMI) const
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LLVM_OVERRIDE;
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};
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/// X86LinuxTargetObjectFile - This implementation is used for linux x86
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/// and x86-64.
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class X86LinuxTargetObjectFile : public TargetLoweringObjectFileELF {
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void Initialize(MCContext &Ctx, const TargetMachine &TM) LLVM_OVERRIDE;
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/// \brief Describe a TLS variable address within debug info.
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const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const
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LLVM_OVERRIDE;
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};
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/// \brief This implementation is used for Windows targets on x86 and x86-64.
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class X86WindowsTargetObjectFile : public TargetLoweringObjectFileCOFF {
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const MCExpr *getExecutableRelativeSymbol(const ConstantExpr *CE,
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Mangler &Mang,
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const TargetMachine &TM) const
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LLVM_OVERRIDE;
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};
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} // end namespace llvm
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#endif
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