1 files changed, 0 insertions, 221 deletions

diff --git a/contrib/llvm/lib/Object/ModuleSymbolTable.cpp b/contrib/llvm/lib/Object/ModuleSymbolTable.cpp
deleted file mode 100644
index d1e0ce5edae1..000000000000
--- a/contrib/llvm/lib/Object/ModuleSymbolTable.cpp
+++ /dev/null
@@ -1,221 +0,0 @@
-//===- ModuleSymbolTable.cpp - symbol table for in-memory IR --------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This class represents a symbol table built from in-memory IR. It provides
-// access to GlobalValues and should only be used if such access is required
-// (e.g. in the LTO implementation).
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Object/ModuleSymbolTable.h"
-#include "RecordStreamer.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/StringMap.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/IR/Function.h"
-#include "llvm/IR/GlobalAlias.h"
-#include "llvm/IR/GlobalValue.h"
-#include "llvm/IR/GlobalVariable.h"
-#include "llvm/IR/Module.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCDirectives.h"
-#include "llvm/MC/MCInstrInfo.h"
-#include "llvm/MC/MCObjectFileInfo.h"
-#include "llvm/MC/MCParser/MCAsmParser.h"
-#include "llvm/MC/MCParser/MCTargetAsmParser.h"
-#include "llvm/MC/MCRegisterInfo.h"
-#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MCTargetOptions.h"
-#include "llvm/Object/SymbolicFile.h"
-#include "llvm/Support/Casting.h"
-#include "llvm/Support/CodeGen.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/SMLoc.h"
-#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Support/raw_ostream.h"
-#include <algorithm>
-#include <cassert>
-#include <cstdint>
-#include <memory>
-#include <string>
-
-using namespace llvm;
-using namespace object;
-
-void ModuleSymbolTable::addModule(Module *M) {
-  if (FirstMod)
-    assert(FirstMod->getTargetTriple() == M->getTargetTriple());
-  else
-    FirstMod = M;
-
-  for (GlobalValue &GV : M->global_values())
-    SymTab.push_back(&GV);
-
-  CollectAsmSymbols(*M, [this](StringRef Name, BasicSymbolRef::Flags Flags) {
-    SymTab.push_back(new (AsmSymbols.Allocate()) AsmSymbol(Name, Flags));
-  });
-}
-
-static void
-initializeRecordStreamer(const Module &M,
-                         function_ref<void(RecordStreamer &)> Init) {
-  StringRef InlineAsm = M.getModuleInlineAsm();
-  if (InlineAsm.empty())
-    return;
-
-  std::string Err;
-  const Triple TT(M.getTargetTriple());
-  const Target *T = TargetRegistry::lookupTarget(TT.str(), Err);
-  assert(T && T->hasMCAsmParser());
-
-  std::unique_ptr<MCRegisterInfo> MRI(T->createMCRegInfo(TT.str()));
-  if (!MRI)
-    return;
-
-  std::unique_ptr<MCAsmInfo> MAI(T->createMCAsmInfo(*MRI, TT.str()));
-  if (!MAI)
-    return;
-
-  std::unique_ptr<MCSubtargetInfo> STI(
-      T->createMCSubtargetInfo(TT.str(), "", ""));
-  if (!STI)
-    return;
-
-  std::unique_ptr<MCInstrInfo> MCII(T->createMCInstrInfo());
-  if (!MCII)
-    return;
-
-  MCObjectFileInfo MOFI;
-  MCContext MCCtx(MAI.get(), MRI.get(), &MOFI);
-  MOFI.InitMCObjectFileInfo(TT, /*PIC*/ false, MCCtx);
-  MOFI.setSDKVersion(M.getSDKVersion());
-  RecordStreamer Streamer(MCCtx, M);
-  T->createNullTargetStreamer(Streamer);
-
-  std::unique_ptr<MemoryBuffer> Buffer(MemoryBuffer::getMemBuffer(InlineAsm));
-  SourceMgr SrcMgr;
-  SrcMgr.AddNewSourceBuffer(std::move(Buffer), SMLoc());
-  std::unique_ptr<MCAsmParser> Parser(
-      createMCAsmParser(SrcMgr, MCCtx, Streamer, *MAI));
-
-  MCTargetOptions MCOptions;
-  std::unique_ptr<MCTargetAsmParser> TAP(
-      T->createMCAsmParser(*STI, *Parser, *MCII, MCOptions));
-  if (!TAP)
-    return;
-
-  Parser->setTargetParser(*TAP);
-  if (Parser->Run(false))
-    return;
-
-  Init(Streamer);
-}
-
-void ModuleSymbolTable::CollectAsmSymbols(
-    const Module &M,
-    function_ref<void(StringRef, BasicSymbolRef::Flags)> AsmSymbol) {
-  initializeRecordStreamer(M, [&](RecordStreamer &Streamer) {
-    Streamer.flushSymverDirectives();
-
-    for (auto &KV : Streamer) {
-      StringRef Key = KV.first();
-      RecordStreamer::State Value = KV.second;
-      // FIXME: For now we just assume that all asm symbols are executable.
-      uint32_t Res = BasicSymbolRef::SF_Executable;
-      switch (Value) {
-      case RecordStreamer::NeverSeen:
-        llvm_unreachable("NeverSeen should have been replaced earlier");
-      case RecordStreamer::DefinedGlobal:
-        Res |= BasicSymbolRef::SF_Global;
-        break;
-      case RecordStreamer::Defined:
-        break;
-      case RecordStreamer::Global:
-      case RecordStreamer::Used:
-        Res |= BasicSymbolRef::SF_Undefined;
-        Res |= BasicSymbolRef::SF_Global;
-        break;
-      case RecordStreamer::DefinedWeak:
-        Res |= BasicSymbolRef::SF_Weak;
-        Res |= BasicSymbolRef::SF_Global;
-        break;
-      case RecordStreamer::UndefinedWeak:
-        Res |= BasicSymbolRef::SF_Weak;
-        Res |= BasicSymbolRef::SF_Undefined;
-      }
-      AsmSymbol(Key, BasicSymbolRef::Flags(Res));
-    }
-  });
-}
-
-void ModuleSymbolTable::CollectAsmSymvers(
-    const Module &M, function_ref<void(StringRef, StringRef)> AsmSymver) {
-  initializeRecordStreamer(M, [&](RecordStreamer &Streamer) {
-    for (auto &KV : Streamer.symverAliases())
-      for (auto &Alias : KV.second)
-        AsmSymver(KV.first->getName(), Alias);
-  });
-}
-
-void ModuleSymbolTable::printSymbolName(raw_ostream &OS, Symbol S) const {
-  if (S.is<AsmSymbol *>()) {
-    OS << S.get<AsmSymbol *>()->first;
-    return;
-  }
-
-  auto *GV = S.get<GlobalValue *>();
-  if (GV->hasDLLImportStorageClass())
-    OS << "__imp_";
-
-  Mang.getNameWithPrefix(OS, GV, false);
-}
-
-uint32_t ModuleSymbolTable::getSymbolFlags(Symbol S) const {
-  if (S.is<AsmSymbol *>())
-    return S.get<AsmSymbol *>()->second;
-
-  auto *GV = S.get<GlobalValue *>();
-
-  uint32_t Res = BasicSymbolRef::SF_None;
-  if (GV->isDeclarationForLinker())
-    Res |= BasicSymbolRef::SF_Undefined;
-  else if (GV->hasHiddenVisibility() && !GV->hasLocalLinkage())
-    Res |= BasicSymbolRef::SF_Hidden;
-  if (const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV)) {
-    if (GVar->isConstant())
-      Res |= BasicSymbolRef::SF_Const;
-  }
-  if (dyn_cast_or_null<Function>(GV->getBaseObject()))
-    Res |= BasicSymbolRef::SF_Executable;
-  if (isa<GlobalAlias>(GV))
-    Res |= BasicSymbolRef::SF_Indirect;
-  if (GV->hasPrivateLinkage())
-    Res |= BasicSymbolRef::SF_FormatSpecific;
-  if (!GV->hasLocalLinkage())
-    Res |= BasicSymbolRef::SF_Global;
-  if (GV->hasCommonLinkage())
-    Res |= BasicSymbolRef::SF_Common;
-  if (GV->hasLinkOnceLinkage() || GV->hasWeakLinkage() ||
-      GV->hasExternalWeakLinkage())
-    Res |= BasicSymbolRef::SF_Weak;
-
-  if (GV->getName().startswith("llvm."))
-    Res |= BasicSymbolRef::SF_FormatSpecific;
-  else if (auto *Var = dyn_cast<GlobalVariable>(GV)) {
-    if (Var->getSection() == "llvm.metadata")
-      Res |= BasicSymbolRef::SF_FormatSpecific;
-  }
-
-  return Res;
-}