Replace OwningPtr<T> with std::unique_ptr<T>.

[oota-llvm.git] / lib / Bitcode / Reader / BitcodeReader.cpp

diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index c36dae892c919c29127596a859110916116a57b8..527fd253988625fbfd28d8ff10c79de3ced92c4a 100644 (file)
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -11,8 +11,8 @@
 #include "BitcodeReader.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/AutoUpgrade.h"
 #include "llvm/Bitcode/LLVMBitCodes.h"
+#include "llvm/IR/AutoUpgrade.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/InlineAsm.h"
@@ -3246,10 +3246,10 @@ error_code BitcodeReader::InitLazyStream() {
 
 namespace {
 class BitcodeErrorCategoryType : public _do_message {
-  const char *name() const LLVM_OVERRIDE {
+  const char *name() const override {
     return "llvm.bitcode";
   }
-  std::string message(int IE) const LLVM_OVERRIDE {
+  std::string message(int IE) const override {
     BitcodeReader::ErrorType E = static_cast<BitcodeReader::ErrorType>(IE);
     switch (E) {
     case BitcodeReader::BitcodeStreamInvalidSize:
@@ -3342,16 +3342,11 @@ Module *llvm::getStreamedBitcodeModule(const std::string &name,
   return M;
 }
 
-/// ParseBitcodeFile - Read the specified bitcode file, returning the module.
-/// If an error occurs, return null and fill in *ErrMsg if non-null.
-Module *llvm::ParseBitcodeFile(MemoryBuffer *Buffer, LLVMContext& Context,
-                               std::string *ErrMsg){
+ErrorOr<Module *> llvm::parseBitcodeFile(MemoryBuffer *Buffer,
+                                         LLVMContext &Context) {
   ErrorOr<Module *> ModuleOrErr = getLazyBitcodeModule(Buffer, Context);
-  if (error_code EC = ModuleOrErr.getError()) {
-    if (ErrMsg)
-      *ErrMsg = EC.message();
-    return 0;
-  }
+  if (!ModuleOrErr)
+    return ModuleOrErr;
   Module *M = ModuleOrErr.get();
 
   // Don't let the BitcodeReader dtor delete 'Buffer', regardless of whether
@@ -3360,10 +3355,8 @@ Module *llvm::ParseBitcodeFile(MemoryBuffer *Buffer, LLVMContext& Context,
 
   // Read in the entire module, and destroy the BitcodeReader.
   if (error_code EC = M->materializeAllPermanently()) {
-    if (ErrMsg)
-      *ErrMsg = EC.message();
     delete M;
-    return 0;
+    return EC;
   }
 
   // TODO: Restore the use-lists to the in-memory state when the bitcode was