Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h b/linux-x64/clang/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
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index 0000000..78da77f
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+++ b/linux-x64/clang/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
@@ -0,0 +1,200 @@
+//==- llvm/CodeGen/TargetLoweringObjectFileImpl.h - Object Info --*- C++ -*-==//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements classes used to handle lowerings specific to common
+// object file formats.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_TARGETLOWERINGOBJECTFILEIMPL_H
+#define LLVM_CODEGEN_TARGETLOWERINGOBJECTFILEIMPL_H
+
+#include "llvm/IR/Module.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
+
+namespace llvm {
+
+class GlobalValue;
+class MachineModuleInfo;
+class Mangler;
+class MCContext;
+class MCSection;
+class MCSymbol;
+class TargetMachine;
+
+class TargetLoweringObjectFileELF : public TargetLoweringObjectFile {
+ bool UseInitArray = false;
+ mutable unsigned NextUniqueID = 1; // ID 0 is reserved for execute-only sections
+
+protected:
+ MCSymbolRefExpr::VariantKind PLTRelativeVariantKind =
+ MCSymbolRefExpr::VK_None;
+
+public:
+ TargetLoweringObjectFileELF() = default;
+ ~TargetLoweringObjectFileELF() override = default;
+
+ /// Emit Obj-C garbage collection and linker options.
+ void emitModuleMetadata(MCStreamer &Streamer, Module &M,
+ const TargetMachine &TM) const override;
+
+ void emitPersonalityValue(MCStreamer &Streamer, const DataLayout &TM,
+ const MCSymbol *Sym) const override;
+
+ /// Given a constant with the SectionKind, return a section that it should be
+ /// placed in.
+ MCSection *getSectionForConstant(const DataLayout &DL, SectionKind Kind,
+ const Constant *C,
+ unsigned &Align) const override;
+
+ MCSection *getExplicitSectionGlobal(const GlobalObject *GO, SectionKind Kind,
+ const TargetMachine &TM) const override;
+
+ MCSection *SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind,
+ const TargetMachine &TM) const override;
+
+ MCSection *getSectionForJumpTable(const Function &F,
+ const TargetMachine &TM) const override;
+
+ bool shouldPutJumpTableInFunctionSection(bool UsesLabelDifference,
+ const Function &F) const override;
+
+ /// Return an MCExpr to use for a reference to the specified type info global
+ /// variable from exception handling information.
+ const MCExpr *getTTypeGlobalReference(const GlobalValue *GV,
+ unsigned Encoding,
+ const TargetMachine &TM,
+ MachineModuleInfo *MMI,
+ MCStreamer &Streamer) const override;
+
+ // The symbol that gets passed to .cfi_personality.
+ MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV,
+ const TargetMachine &TM,
+ MachineModuleInfo *MMI) const override;
+
+ void InitializeELF(bool UseInitArray_);
+ MCSection *getStaticCtorSection(unsigned Priority,
+ const MCSymbol *KeySym) const override;
+ MCSection *getStaticDtorSection(unsigned Priority,
+ const MCSymbol *KeySym) const override;
+
+ const MCExpr *lowerRelativeReference(const GlobalValue *LHS,
+ const GlobalValue *RHS,
+ const TargetMachine &TM) const override;
+};
+
+class TargetLoweringObjectFileMachO : public TargetLoweringObjectFile {
+public:
+ TargetLoweringObjectFileMachO();
+ ~TargetLoweringObjectFileMachO() override = default;
+
+ void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
+
+ /// Emit the module flags that specify the garbage collection information.
+ void emitModuleMetadata(MCStreamer &Streamer, Module &M,
+ const TargetMachine &TM) const override;
+
+ MCSection *SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind,
+ const TargetMachine &TM) const override;
+
+ MCSection *getExplicitSectionGlobal(const GlobalObject *GO, SectionKind Kind,
+ const TargetMachine &TM) const override;
+
+ MCSection *getSectionForConstant(const DataLayout &DL, SectionKind Kind,
+ const Constant *C,
+ unsigned &Align) const override;
+
+ /// The mach-o version of this method defaults to returning a stub reference.
+ const MCExpr *getTTypeGlobalReference(const GlobalValue *GV,
+ unsigned Encoding,
+ const TargetMachine &TM,
+ MachineModuleInfo *MMI,
+ MCStreamer &Streamer) const override;
+
+ // The symbol that gets passed to .cfi_personality.
+ MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV,
+ const TargetMachine &TM,
+ MachineModuleInfo *MMI) const override;
+
+ /// Get MachO PC relative GOT entry relocation
+ const MCExpr *getIndirectSymViaGOTPCRel(const MCSymbol *Sym,
+ const MCValue &MV, int64_t Offset,
+ MachineModuleInfo *MMI,
+ MCStreamer &Streamer) const override;
+
+ void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV,
+ const TargetMachine &TM) const override;
+};
+
+class TargetLoweringObjectFileCOFF : public TargetLoweringObjectFile {
+ mutable unsigned NextUniqueID = 0;
+
+public:
+ ~TargetLoweringObjectFileCOFF() override = default;
+
+ void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
+ MCSection *getExplicitSectionGlobal(const GlobalObject *GO, SectionKind Kind,
+ const TargetMachine &TM) const override;
+
+ MCSection *SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind,
+ const TargetMachine &TM) const override;
+
+ void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV,
+ const TargetMachine &TM) const override;
+
+ MCSection *getSectionForJumpTable(const Function &F,
+ const TargetMachine &TM) const override;
+
+ /// Emit Obj-C garbage collection and linker options.
+ void emitModuleMetadata(MCStreamer &Streamer, Module &M,
+ const TargetMachine &TM) const override;
+
+ MCSection *getStaticCtorSection(unsigned Priority,
+ const MCSymbol *KeySym) const override;
+ MCSection *getStaticDtorSection(unsigned Priority,
+ const MCSymbol *KeySym) const override;
+
+ void emitLinkerFlagsForGlobal(raw_ostream &OS,
+ const GlobalValue *GV) const override;
+
+ void emitLinkerFlagsForUsed(raw_ostream &OS,
+ const GlobalValue *GV) const override;
+};
+
+class TargetLoweringObjectFileWasm : public TargetLoweringObjectFile {
+ mutable unsigned NextUniqueID = 0;
+
+public:
+ TargetLoweringObjectFileWasm() = default;
+ ~TargetLoweringObjectFileWasm() override = default;
+
+ MCSection *getExplicitSectionGlobal(const GlobalObject *GO, SectionKind Kind,
+ const TargetMachine &TM) const override;
+
+ MCSection *SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind,
+ const TargetMachine &TM) const override;
+
+ bool shouldPutJumpTableInFunctionSection(bool UsesLabelDifference,
+ const Function &F) const override;
+
+ void InitializeWasm();
+ MCSection *getStaticCtorSection(unsigned Priority,
+ const MCSymbol *KeySym) const override;
+ MCSection *getStaticDtorSection(unsigned Priority,
+ const MCSymbol *KeySym) const override;
+
+ const MCExpr *lowerRelativeReference(const GlobalValue *LHS,
+ const GlobalValue *RHS,
+ const TargetMachine &TM) const override;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_CODEGEN_TARGETLOWERINGOBJECTFILEIMPL_H