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/llvm-dis/llvm-dis.cpp b/tools/llvm-dis/llvm-dis.cpp
index 166a178..a48dd7e 100644
--- a/tools/llvm-dis/llvm-dis.cpp
+++ b/tools/llvm-dis/llvm-dis.cpp
@@ -48,10 +48,15 @@
int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, " llvm .bc -> .ll disassembler\n");
std::ostream *Out = &std::cout; // Default to printing to stdout...
+ std::string ErrorMessage;
- 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;
}