Make parseBitcodeFile return an ErrorOr<Module *>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199279 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 5 deletions

diff --git a/lib/IRReader/IRReader.cpp b/lib/IRReader/IRReader.cpp
index 7356fd005ad..70801c43f1a 100644
--- a/lib/IRReader/IRReader.cpp
+++ b/lib/IRReader/IRReader.cpp
@@ -69,12 +69,14 @@ Module *llvm::ParseIR(MemoryBuffer *Buffer, SMDiagnostic &Err,
                      TimePassesIsEnabled);
   if (isBitcode((const unsigned char *)Buffer->getBufferStart(),
                 (const unsigned char *)Buffer->getBufferEnd())) {
-    std::string ErrMsg;
-    Module *M = ParseBitcodeFile(Buffer, Context, &ErrMsg);
-    if (M == 0)
+    ErrorOr<Module *> ModuleOrErr = parseBitcodeFile(Buffer, Context);
+    Module *M = 0;
+    if (error_code EC = ModuleOrErr.getError())
       Err = SMDiagnostic(Buffer->getBufferIdentifier(), SourceMgr::DK_Error,
-                         ErrMsg);
-    // ParseBitcodeFile does not take ownership of the Buffer.
+                         EC.message());
+    else
+      M = ModuleOrErr.get();
+    // parseBitcodeFile does not take ownership of the Buffer.
     delete Buffer;
     return M;
   }