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-as/as.cpp b/tools/llvm-as/as.cpp
index d1f7406..5860542 100644
--- a/tools/llvm-as/as.cpp
+++ b/tools/llvm-as/as.cpp
@@ -53,14 +53,18 @@
if (DumpAsm) std::cerr << "Here's the assembly:\n" << M.get();
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!\n"
- << "Use -f command line argument to force output\n";
- return 1;
+ 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!\n"
+ << "Use -f command line argument to force output\n";
+ return 1;
+ }
+ Out = new std::ofstream(OutputFilename.c_str());
+ } else { // Specified stdout
+ Out = &std::cout;
}
- Out = new std::ofstream(OutputFilename.c_str());
} else {
if (InputFilename == "-") {
OutputFilename = "-";