Add a new (static inline) std::ostream& << AllocInfo& method. Use it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11002 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/SparcV9/RegAlloc/AllocInfo.h

@@ -79,6 +79,13 @@ struct AllocInfo {
   }
 };
 
+static inline std::ostream &operator << (std::ostream &OS, AllocInfo &S) {
+  OS << "(Instruction " << S.Instruction << " Operand " << S.Operand
+     << " AllocState " << S.allocStateToString () << " Placement "
+     << S.Placement << ")";
+  return OS;
+}
+
 } // End llvm namespace
 
 #endif // ALLOCINFO_H