Modernize the getStreamedBitcodeModule interface a bit. NFC.

[oota-llvm.git] / tools / llvm-dis / llvm-dis.cpp

diff --git a/tools/llvm-dis/llvm-dis.cpp b/tools/llvm-dis/llvm-dis.cpp
index 3b0f838f1d73b16285a79585bedb22ef75db7d13..072f6369e12d48a6e003e933ec2fe693e4f48058 100644 (file)
--- a/tools/llvm-dis/llvm-dis.cpp
+++ b/tools/llvm-dis/llvm-dis.cpp
@@ -127,15 +127,19 @@ int main(int argc, char **argv) {
   std::unique_ptr<Module> M;
 
   // Use the bitcode streaming interface
-  DataStreamer *streamer = getDataFileStreamer(InputFilename, &ErrorMessage);
-  if (streamer) {
+  DataStreamer *Streamer = getDataFileStreamer(InputFilename, &ErrorMessage);
+  if (Streamer) {
     std::string DisplayFilename;
     if (InputFilename == "-")
       DisplayFilename = "<stdin>";
     else
       DisplayFilename = InputFilename;
-    M.reset(getStreamedBitcodeModule(DisplayFilename, streamer, Context,
-                                     &ErrorMessage));
+    ErrorOr<std::unique_ptr<Module>> MOrErr =
+        getStreamedBitcodeModule(DisplayFilename, Streamer, Context);
+    if (std::error_code EC = MOrErr.getError())
+      ErrorMessage = EC.message();
+    else
+      M = std::move(*MOrErr);
     if(M.get()) {
       if (std::error_code EC = M->materializeAllPermanently()) {
         ErrorMessage = EC.message();
@@ -171,11 +175,11 @@ int main(int argc, char **argv) {
     }
   }
 
-  std::string ErrorInfo;
+  std::error_code EC;
   std::unique_ptr<tool_output_file> Out(
-      new tool_output_file(OutputFilename.c_str(), ErrorInfo, sys::fs::F_None));
-  if (!ErrorInfo.empty()) {
-    errs() << ErrorInfo << '\n';
+      new tool_output_file(OutputFilename, EC, sys::fs::F_None));
+  if (EC) {
+    errs() << EC.message() << '\n';
     return 1;
   }