1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index e2a3bbaaf0..78c874cbb9 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -24,6 +24,7 @@
 #include "llvm/Target/MRegisterInfo.h"
 #include <algorithm>
 #include <map>
+#include <ostream>
 using namespace llvm;
 
 // An example for liveAt():
@@ -509,3 +510,9 @@ void LiveInterval::print(OStream OS, const MRegisterInfo *MRI) const {
 void LiveInterval::dump() const {
   cerr << *this << "\n";
 }
+
+
+OStream& llvm::operator<<(OStream& os, const LiveRange &LR) {
+  if (os.stream()) *os.stream() << LR;
+  return os;
+}