Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with error_code &ec. And fix clients.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121379 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-dis/llvm-dis.cpp b/tools/llvm-dis/llvm-dis.cpp
index 9e05775..781bca9 100644
--- a/tools/llvm-dis/llvm-dis.cpp
+++ b/tools/llvm-dis/llvm-dis.cpp
@@ -28,6 +28,7 @@
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/Signals.h"
+#include "llvm/Support/system_error.h"
using namespace llvm;
static cl::opt<std::string>
@@ -78,13 +79,14 @@
cl::ParseCommandLineOptions(argc, argv, "llvm .bc -> .ll disassembler\n");
std::string ErrorMessage;
+ error_code ec;
std::auto_ptr<Module> M;
-
- if (MemoryBuffer *Buffer
- = MemoryBuffer::getFileOrSTDIN(InputFilename, &ErrorMessage)) {
+
+ if (MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, ec)) {
M.reset(ParseBitcodeFile(Buffer, Context, &ErrorMessage));
delete Buffer;
- }
+ } else
+ ErrorMessage = ec.message();
if (M.get() == 0) {
errs() << argv[0] << ": ";