Add support for: -o -
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6485 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-dis/llvm-dis.cpp b/tools/llvm-dis/llvm-dis.cpp
index b52354e..bf46fe6 100644
--- a/tools/llvm-dis/llvm-dis.cpp
+++ b/tools/llvm-dis/llvm-dis.cpp
@@ -31,7 +31,7 @@
InputFilename(cl::Positional, cl::desc("<input bytecode>"), cl::init("-"));
static cl::opt<std::string>
-OutputFilename("o", cl::desc("Override output filename"),
+OutputFilename("o", cl::desc("Override output filename"),
cl::value_desc("filename"));
static cl::opt<bool>
@@ -60,12 +60,14 @@
}
if (OutputFilename != "") { // Specified an output filename?
- if (!Force && std::ifstream(OutputFilename.c_str())) {
- // If force is not specified, make sure not to overwrite a file!
- std::cerr << argv[0] << ": error opening '" << OutputFilename
- << "': file exists! Sending to standard output.\n";
- } else {
- Out = new std::ofstream(OutputFilename.c_str());
+ if (OutputFilename != "-") { // Not stdout?
+ if (!Force && std::ifstream(OutputFilename.c_str())) {
+ // If force is not specified, make sure not to overwrite a file!
+ std::cerr << argv[0] << ": error opening '" << OutputFilename
+ << "': file exists! Sending to standard output.\n";
+ } else {
+ Out = new std::ofstream(OutputFilename.c_str());
+ }
}
} else {
if (InputFilename == "-") {