[DWARF] llvm::Error -> Error. NFC

The unqualified name is more common and is used in the file as well.

llvm-svn: 358567

Author: MaskRay

llvm/include/llvm/DebugInfo/DWARF/DWARFAcceleratorTable.h

@@ -71,7 +71,7 @@ class DWARFAcceleratorTable {
       : AccelSection(AccelSection), StringSection(StringSection) {}
   virtual ~DWARFAcceleratorTable();
 
-  virtual llvm::Error extract() = 0;
+  virtual Error extract() = 0;
   virtual void dump(raw_ostream &OS) const = 0;
 
   DWARFAcceleratorTable(const DWARFAcceleratorTable &) = delete;
@@ -174,7 +174,7 @@ class AppleAcceleratorTable : public DWARFAcceleratorTable {
                         DataExtractor StringSection)
       : DWARFAcceleratorTable(AccelSection, StringSection) {}
 
-  llvm::Error extract() override;
+  Error extract() override;
   uint32_t getNumBuckets();
   uint32_t getNumHashes();
   uint32_t getSizeHdr();
@@ -459,7 +459,7 @@ class DWARFDebugNames : public DWARFAcceleratorTable {
     NameIterator begin() const { return NameIterator(this, 1); }
     NameIterator end() const { return NameIterator(this, getNameCount() + 1); }
 
-    llvm::Error extract();
+    Error extract();
     uint32_t getUnitOffset() const { return Base; }
     uint32_t getNextUnitOffset() const { return Base + 4 + Hdr.UnitLength; }
     void dump(ScopedPrinter &W) const;
@@ -579,7 +579,7 @@ class DWARFDebugNames : public DWARFAcceleratorTable {
                   DataExtractor StringSection)
       : DWARFAcceleratorTable(AccelSection, StringSection) {}
 
-  llvm::Error extract() override;
+  Error extract() override;
   void dump(raw_ostream &OS) const override;
 
   /// Look up all entries in the accelerator table matching \c Key.

llvm/lib/DebugInfo/DWARF/DWARFAcceleratorTable.cpp

@@ -41,7 +41,7 @@ static Atom formatAtom(unsigned Atom) { return {Atom}; }
 
 DWARFAcceleratorTable::~DWARFAcceleratorTable() = default;
 
-llvm::Error AppleAcceleratorTable::extract() {
+Error AppleAcceleratorTable::extract() {
   uint32_t Offset = 0;
 
   // Check that we can at least read the header.
@@ -376,7 +376,7 @@ void DWARFDebugNames::Header::dump(ScopedPrinter &W) const {
   W.startLine() << "Augmentation: '" << AugmentationString << "'\n";
 }
 
-llvm::Error DWARFDebugNames::Header::extract(const DWARFDataExtractor &AS,
+Error DWARFDebugNames::Header::extract(const DWARFDataExtractor &AS,
                                              uint32_t *Offset) {
   // Check that we can read the fixed-size part.
   if (!AS.isValidOffset(*Offset + sizeof(HeaderPOD) - 1))
@@ -518,6 +518,7 @@ Error DWARFDebugNames::NameIndex::extract() {
                                "Duplicate abbreviation code.");
   }
 }
+
 DWARFDebugNames::Entry::Entry(const NameIndex &NameIdx, const Abbrev &Abbr)
     : NameIdx(&NameIdx), Abbr(&Abbr) {
   // This merely creates form values. It is up to the caller
@@ -753,11 +754,11 @@ LLVM_DUMP_METHOD void DWARFDebugNames::NameIndex::dump(ScopedPrinter &W) const {
     dumpName(W, NTE, None);
 }
 
-llvm::Error DWARFDebugNames::extract() {
+Error DWARFDebugNames::extract() {
   uint32_t Offset = 0;
   while (AccelSection.isValidOffset(Offset)) {
     NameIndex Next(*this, Offset);
-    if (llvm::Error E = Next.extract())
+    if (Error E = Next.extract())
       return E;
     Offset = Next.getNextUnitOffset();
     NameIndices.push_back(std::move(Next));