Add a raw_ostream version of CheckBitcodeOutputToConsole.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75796 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/SystemUtils.cpp b/lib/Support/SystemUtils.cpp
index c86e200..49a87e4 100644
--- a/lib/Support/SystemUtils.cpp
+++ b/lib/Support/SystemUtils.cpp
@@ -19,6 +19,21 @@
 #include <ostream>
 using namespace llvm;
 
+bool llvm::CheckBitcodeOutputToConsole(raw_ostream* stream_to_check,
+                                       bool print_warning) {
+  if (stream_to_check == &outs() &&
+      sys::Process::StandardOutIsDisplayed()) {
+    if (print_warning) {
+      cerr << "WARNING: You're attempting to print out a bitcode file.\n"
+           << "This is inadvisable as it may cause display problems. If\n"
+           << "you REALLY want to taste LLVM bitcode first-hand, you\n"
+           << "can force output with the `-f' option.\n\n";
+    }
+    return true;
+  }
+  return false;
+}
+
 bool llvm::CheckBitcodeOutputToConsole(std::ostream* stream_to_check,
                                        bool print_warning) {
   if (stream_to_check == cout.stream() &&