Update comments
Implement Value::dump here.

llvm-svn: 2148
diff --git a/llvm/lib/VMCore/AsmWriter.cpp b/llvm/lib/VMCore/AsmWriter.cpp
index f92fac5..20ac49e 100644
--- a/llvm/lib/VMCore/AsmWriter.cpp
+++ b/llvm/lib/VMCore/AsmWriter.cpp
@@ -1,10 +1,7 @@
-//===-- Writer.cpp - Library for Printing VM assembly files ------*- C++ -*--=//
+//===-- AsmWriter.cpp - Printing LLVM as an assembly file -----------------===//
 //
 // This library implements the functionality defined in llvm/Assembly/Writer.h
 //
-// This library uses the Analysis library to figure out offsets for
-// variables in the method tables...
-//
 // TODO: print out the type name instead of the full type if a particular type
 //       is in the symbol table...
 //
@@ -31,6 +28,10 @@
 using std::vector;
 using std::ostream;
 
+void Value::dump() const {
+  std::cerr << this;
+}
+
 static const Module *getModuleFromVal(const Value *V) {
   if (const FunctionArgument *MA = dyn_cast<const FunctionArgument>(V))
     return MA->getParent() ? MA->getParent()->getParent() : 0;