[PECOFF] Remove code which is no longer needed because of r197016.

llvm-svn: 197018

lld/lib/ReaderWriter/PECOFF/IdataPass.cpp

@@ -38,9 +38,6 @@ static void addDir32NBReloc(COFFBaseDefinedAtom *atom, const Atom *target,
 }
 
 namespace idata {
-class DLLNameAtom;
-class HintNameAtom;
-class ImportTableEntryAtom;
 
 IdataAtom::IdataAtom(Context &context, std::vector<uint8_t> data)
     : COFFLinkerInternalAtom(context.dummyFile,
@@ -49,16 +46,12 @@ IdataAtom::IdataAtom(Context &context, std::vector<uint8_t> data)
 }
 
 DLLNameAtom::DLLNameAtom(Context &context, StringRef name)
-    : IdataAtom(context, stringRefToVector(name)) {
+    : IdataAtom(context, stringRefToVector(name)) {}
-  context.dllNameAtoms.push_back(this);
-}
 
 HintNameAtom::HintNameAtom(Context &context, uint16_t hint,
                            StringRef importName)
     : IdataAtom(context, assembleRawContent(hint, importName)),
-      _importName(importName) {
+      _importName(importName) {}
-  context.hintNameAtoms.push_back(this);
-}
 
 std::vector<uint8_t> HintNameAtom::assembleRawContent(uint16_t hint,
                                                       StringRef importName) {
@@ -115,7 +108,8 @@ std::vector<ImportTableEntryAtom *> ImportDirectoryAtom::createImportTableAtoms(
     } else {
       // Import by name
       entry = new (_alloc) ImportTableEntryAtom(context, 0, sectionName);
-      HintNameAtom *hintName = createHintNameAtom(context, atom);
+      HintNameAtom *hintName =
+          new (_alloc) HintNameAtom(context, atom->hint(), atom->importName());
       addDir32NBReloc(entry, hintName);
     }
     ret.push_back(entry);
@@ -127,11 +121,6 @@ std::vector<ImportTableEntryAtom *> ImportDirectoryAtom::createImportTableAtoms(
   return ret;
 }
 
-HintNameAtom *ImportDirectoryAtom::createHintNameAtom(
-    Context &context, const COFFSharedLibraryAtom *atom) const {
-  return new (_alloc) HintNameAtom(context, atom->hint(), atom->importName());
-}
-
 } // namespace idata
 
 void IdataPass::perform(std::unique_ptr<MutableFile> &file) {
@@ -144,14 +133,13 @@ void IdataPass::perform(std::unique_ptr<MutableFile> &file) {
   for (auto i : sharedAtoms) {
     StringRef loadName = i.first;
     std::vector<COFFSharedLibraryAtom *> &atoms = i.second;
-    createImportDirectory(context, loadName, atoms);
+    new (_alloc) idata::ImportDirectoryAtom(context, loadName, atoms);
   }
 
   // All atoms, including those of tyep NullImportDirectoryAtom, are added to
   // context.file in the IdataAtom's constructor.
   new (_alloc) idata::NullImportDirectoryAtom(context);
 
-  connectAtoms(context);
   replaceSharedLibraryAtoms(context);
 }
 
@@ -169,25 +157,6 @@ IdataPass::groupByLoadName(MutableFile &file) {
   return ret;
 }
 
-void IdataPass::createImportDirectory(
-    idata::Context &context, StringRef loadName,
-    std::vector<COFFSharedLibraryAtom *> &dllAtoms) {
-  new (_alloc) idata::ImportDirectoryAtom(context, loadName, dllAtoms);
-}
-
-template <typename T, typename U>
-void IdataPass::appendAtoms(std::vector<T *> &vec1,
-                            const std::vector<U *> &vec2) {
-  vec1.insert(vec1.end(), vec2.begin(), vec2.end());
-}
-
-void IdataPass::connectAtoms(idata::Context &context) {
-  std::vector<COFFBaseDefinedAtom *> atoms;
-  appendAtoms(atoms, context.dllNameAtoms);
-  appendAtoms(atoms, context.hintNameAtoms);
-  coff::connectAtomsWithLayoutEdge(atoms);
-}
-
 /// Transforms a reference to a COFFSharedLibraryAtom to a real reference.
 void IdataPass::replaceSharedLibraryAtoms(idata::Context &context) {
   for (const DefinedAtom *atom : context.file.defined()) {

lld/lib/ReaderWriter/PECOFF/IdataPass.h

@@ -49,19 +49,8 @@ class ImportTableEntryAtom;
 // A state object of this pass.
 struct Context {
   Context(MutableFile &f, IdataPassFile &g) : file(f), dummyFile(g) {}
-
   MutableFile &file;
   IdataPassFile &dummyFile;
-
-  // The object to accumulate idata atoms. Idata atoms need to be grouped by
-  // type and be continuous in the output file. To force such layout, we
-  // accumulate all atoms created in the pass in the following vectors, and add
-  // layout edges when finishing the pass.
-  std::vector<COFFBaseDefinedAtom *> importDirectories;
-  std::vector<HintNameAtom *> hintNameAtoms;
-  std::vector<DLLNameAtom *> dllNameAtoms;
-
-  std::map<StringRef, COFFBaseDefinedAtom *> sharedToDefinedAtom;
 };
 
 /// The root class of all idata atoms.
@@ -126,7 +115,6 @@ public:
                       const std::vector<COFFSharedLibraryAtom *> &sharedAtoms)
       : IdataAtom(context, std::vector<uint8_t>(20, 0)) {
     addRelocations(context, loadName, sharedAtoms);
-    context.importDirectories.push_back(this);
   }
 
   virtual StringRef customSectionName() const { return ".idata.d"; }
@@ -138,8 +126,6 @@ private:
   std::vector<ImportTableEntryAtom *> createImportTableAtoms(
       Context &context, const std::vector<COFFSharedLibraryAtom *> &sharedAtoms,
       bool shouldAddReference, StringRef sectionName) const;
-  HintNameAtom *createHintNameAtom(Context &context,
-                                   const COFFSharedLibraryAtom *atom) const;
 
   mutable llvm::BumpPtrAllocator _alloc;
 };
@@ -148,9 +134,7 @@ private:
 class NullImportDirectoryAtom : public IdataAtom {
 public:
   explicit NullImportDirectoryAtom(Context &context)
-      : IdataAtom(context, std::vector<uint8_t>(20, 0)) {
+      : IdataAtom(context, std::vector<uint8_t>(20, 0)) {}
-    context.importDirectories.push_back(this);
-  }
 
   virtual StringRef customSectionName() const { return ".idata.d"; }
 };
@@ -182,13 +166,6 @@ private:
   std::map<StringRef, std::vector<COFFSharedLibraryAtom *> >
   groupByLoadName(MutableFile &file);
 
-  void createImportDirectory(idata::Context &context, StringRef loadName,
-                             std::vector<COFFSharedLibraryAtom *> &dllAtoms);
-
-  template <typename T, typename U>
-  void appendAtoms(std::vector<T *> &vec1, const std::vector<U *> &vec2);
-
-  void connectAtoms(idata::Context &context);
   void replaceSharedLibraryAtoms(idata::Context &context);
 
   // A dummy file with which all the atoms created in the pass will be