Give verbose error messages if bytecode file cannot be parsed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5789 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 803f4c6..6633dd1 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -76,11 +76,16 @@
std::auto_ptr<TargetMachine> target;
TargetMachine* TM = NULL;
+ std::string ErrorMessage;
// Load the input module...
- std::auto_ptr<Module> M(ParseBytecodeFile(InputFilename));
+ std::auto_ptr<Module> M(ParseBytecodeFile(InputFilename, &ErrorMessage));
if (M.get() == 0) {
- cerr << argv[0] << ": bytecode didn't read correctly.\n";
+ cerr << argv[0] << ": ";
+ if (ErrorMessage.size())
+ cerr << ErrorMessage << "\n";
+ else
+ cerr << "bytecode didn't read correctly.\n";
return 1;
}