1 files changed, 41 insertions, 0 deletions
diff --git a/include/llvm/Support/Dump.h b/include/llvm/Support/Dump.h
new file mode 100644
index 0000000000..a95875b681
--- /dev/null
+++ b/include/llvm/Support/Dump.h
@@ -0,0 +1,41 @@
+//===- llvm/Support/Dump.h - Easy way to tailor dump output -----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides the PrefixPrinter interface to pass to MachineFunction
+// and MachineBasicBlock print methods to output additional information before
+// blocks and instructions are printed.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_DUMP_H
+#define LLVM_SUPPORT_DUMP_H
+
+namespace llvm {
+
+class MachineBasicBlock;
+class MachineInstr;
+
+// PrefixPrinter - Print some additional information before printing
+// basic blocks and instructions.
+class PrefixPrinter {
+public:
+  virtual ~PrefixPrinter() {}
+
+  virtual std::string operator()(const MachineBasicBlock &) const {
+    return("");
+  };
+
+  virtual std::string operator()(const MachineInstr &) const {
+    return("");
+  };  
+};
+ 
+} // End llvm namespace
+
+#endif