From 044eb2f6afba375a914ac9d8024f8f5142bb912e Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 18 Dec 2017 20:10:56 +0000
Subject: Vendor import of llvm trunk r321017:
 https://llvm.org/svn/llvm-project/llvm/trunk@321017

---
 lib/Object/IRObjectFile.cpp | 32 ++++++++++++--------------------
 1 file changed, 12 insertions(+), 20 deletions(-)

(limited to 'lib/Object/IRObjectFile.cpp')

diff --git a/lib/Object/IRObjectFile.cpp b/lib/Object/IRObjectFile.cpp
index e7807b038335..1ecb26d60bce 100644
--- a/lib/Object/IRObjectFile.cpp
+++ b/lib/Object/IRObjectFile.cpp
@@ -12,7 +12,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Object/IRObjectFile.h"
-#include "RecordStreamer.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/BinaryFormat/Magic.h"
 #include "llvm/Bitcode/BitcodeReader.h"
@@ -20,17 +19,8 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Mangler.h"
 #include "llvm/IR/Module.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCContext.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/Object/ObjectFile.h"
 #include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/TargetRegistry.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
@@ -82,20 +72,22 @@ StringRef IRObjectFile::getTargetTriple() const {
   return Mods[0]->getTargetTriple();
 }
 
-ErrorOr<MemoryBufferRef> IRObjectFile::findBitcodeInObject(const ObjectFile &Obj) {
+Expected<MemoryBufferRef>
+IRObjectFile::findBitcodeInObject(const ObjectFile &Obj) {
   for (const SectionRef &Sec : Obj.sections()) {
     if (Sec.isBitcode()) {
       StringRef SecContents;
       if (std::error_code EC = Sec.getContents(SecContents))
-        return EC;
+        return errorCodeToError(EC);
       return MemoryBufferRef(SecContents, Obj.getFileName());
     }
   }
 
-  return object_error::bitcode_section_not_found;
+  return errorCodeToError(object_error::bitcode_section_not_found);
 }
 
-ErrorOr<MemoryBufferRef> IRObjectFile::findBitcodeInMemBuffer(MemoryBufferRef Object) {
+Expected<MemoryBufferRef>
+IRObjectFile::findBitcodeInMemBuffer(MemoryBufferRef Object) {
   file_magic Type = identify_magic(Object.getBuffer());
   switch (Type) {
   case file_magic::bitcode:
@@ -106,19 +98,19 @@ ErrorOr<MemoryBufferRef> IRObjectFile::findBitcodeInMemBuffer(MemoryBufferRef Ob
     Expected<std::unique_ptr<ObjectFile>> ObjFile =
         ObjectFile::createObjectFile(Object, Type);
     if (!ObjFile)
-      return errorToErrorCode(ObjFile.takeError());
+      return ObjFile.takeError();
     return findBitcodeInObject(*ObjFile->get());
   }
   default:
-    return object_error::invalid_file_type;
+    return errorCodeToError(object_error::invalid_file_type);
   }
 }
 
 Expected<std::unique_ptr<IRObjectFile>>
 IRObjectFile::create(MemoryBufferRef Object, LLVMContext &Context) {
-  ErrorOr<MemoryBufferRef> BCOrErr = findBitcodeInMemBuffer(Object);
+  Expected<MemoryBufferRef> BCOrErr = findBitcodeInMemBuffer(Object);
   if (!BCOrErr)
-    return errorCodeToError(BCOrErr.getError());
+    return BCOrErr.takeError();
 
   Expected<std::vector<BitcodeModule>> BMsOrErr =
       getBitcodeModuleList(*BCOrErr);
@@ -142,10 +134,10 @@ IRObjectFile::create(MemoryBufferRef Object, LLVMContext &Context) {
 
 Expected<IRSymtabFile> object::readIRSymtab(MemoryBufferRef MBRef) {
   IRSymtabFile F;
-  ErrorOr<MemoryBufferRef> BCOrErr =
+  Expected<MemoryBufferRef> BCOrErr =
       IRObjectFile::findBitcodeInMemBuffer(MBRef);
   if (!BCOrErr)
-    return errorCodeToError(BCOrErr.getError());
+    return BCOrErr.takeError();
 
   Expected<BitcodeFileContents> BFCOrErr = getBitcodeFileContents(*BCOrErr);
   if (!BFCOrErr)
-- 
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