From a8a175e0de5c36a2d1d6a24527717f46fe6334d3 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Wed, 11 Oct 2017 17:23:15 +0000
Subject: [PATCH] Convert a few ErrorOr to Expected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315477 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Object/COFF.h        | 16 ++++++++--------
 tools/llvm-objdump/COFFDump.cpp   |  4 ++--
 tools/llvm-readobj/COFFDumper.cpp |  8 ++++----
 3 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/include/llvm/Object/COFF.h b/include/llvm/Object/COFF.h
index 1a0f9441e2a..82861240cb1 100644
--- a/include/llvm/Object/COFF.h
+++ b/include/llvm/Object/COFF.h
@@ -954,28 +954,28 @@ public:
     Res = reinterpret_cast<coff_symbol_type *>(getSymbolTable()) + Index;
     return std::error_code();
   }
-  ErrorOr<COFFSymbolRef> getSymbol(uint32_t index) const {
+  Expected<COFFSymbolRef> getSymbol(uint32_t index) const {
     if (SymbolTable16) {
       const coff_symbol16 *Symb = nullptr;
       if (std::error_code EC = getSymbol(index, Symb))
-        return EC;
+        return errorCodeToError(EC);
       return COFFSymbolRef(Symb);
     }
     if (SymbolTable32) {
       const coff_symbol32 *Symb = nullptr;
       if (std::error_code EC = getSymbol(index, Symb))
-        return EC;
+        return errorCodeToError(EC);
       return COFFSymbolRef(Symb);
     }
-    return object_error::parse_failed;
+    return errorCodeToError(object_error::parse_failed);
   }
 
   template <typename T>
   std::error_code getAuxSymbol(uint32_t index, const T *&Res) const {
-    ErrorOr<COFFSymbolRef> s = getSymbol(index);
-    if (std::error_code EC = s.getError())
-      return EC;
-    Res = reinterpret_cast<const T *>(s->getRawPtr());
+    Expected<COFFSymbolRef> S = getSymbol(index);
+    if (Error E = S.takeError())
+      return errorToErrorCode(std::move(E));
+    Res = reinterpret_cast<const T *>(S->getRawPtr());
     return std::error_code();
   }
 
diff --git a/tools/llvm-objdump/COFFDump.cpp b/tools/llvm-objdump/COFFDump.cpp
index db549bbe3ee..8d38c8d9fb9 100644
--- a/tools/llvm-objdump/COFFDump.cpp
+++ b/tools/llvm-objdump/COFFDump.cpp
@@ -641,9 +641,9 @@ void llvm::printCOFFSymbolTable(const object::COFFImportFile *i) {
 
 void llvm::printCOFFSymbolTable(const COFFObjectFile *coff) {
   for (unsigned SI = 0, SE = coff->getNumberOfSymbols(); SI != SE; ++SI) {
-    ErrorOr<COFFSymbolRef> Symbol = coff->getSymbol(SI);
+    Expected<COFFSymbolRef> Symbol = coff->getSymbol(SI);
     StringRef Name;
-    error(Symbol.getError());
+    error(errorToErrorCode(Symbol.takeError()));
     error(coff->getSymbolName(*Symbol, Name));
 
     outs() << "[" << format("%2d", SI) << "]"
diff --git a/tools/llvm-readobj/COFFDumper.cpp b/tools/llvm-readobj/COFFDumper.cpp
index 8f668b9953a..1ce00610edd 100644
--- a/tools/llvm-readobj/COFFDumper.cpp
+++ b/tools/llvm-readobj/COFFDumper.cpp
@@ -1423,9 +1423,9 @@ void COFFDumper::printSymbol(const SymbolRef &Sym) {
       const coff_aux_weak_external *Aux;
       error(getSymbolAuxData(Obj, Symbol, I, Aux));
 
-      ErrorOr<COFFSymbolRef> Linked = Obj->getSymbol(Aux->TagIndex);
+      Expected<COFFSymbolRef> Linked = Obj->getSymbol(Aux->TagIndex);
       StringRef LinkedName;
-      std::error_code EC = Linked.getError();
+      std::error_code EC = errorToErrorCode(Linked.takeError());
       if (EC || (EC = Obj->getSymbolName(*Linked, LinkedName))) {
         LinkedName = "";
         error(EC);
@@ -1481,10 +1481,10 @@ void COFFDumper::printSymbol(const SymbolRef &Sym) {
       const coff_aux_clr_token *Aux;
       error(getSymbolAuxData(Obj, Symbol, I, Aux));
 
-      ErrorOr<COFFSymbolRef> ReferredSym =
+      Expected<COFFSymbolRef> ReferredSym =
           Obj->getSymbol(Aux->SymbolTableIndex);
       StringRef ReferredName;
-      std::error_code EC = ReferredSym.getError();
+      std::error_code EC = errorToErrorCode(ReferredSym.takeError());
       if (EC || (EC = Obj->getSymbolName(*ReferredSym, ReferredName))) {
         ReferredName = "";
         error(EC);
-- 
2.50.1