Move GetConstantStringInfo to lib/Analysis. Remove

string output routine from Constant. Update all
callers. Change debug intrinsic api slightly to
accomodate move of routine, these now return values
instead of strings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52748 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Constant.h

@@ -115,13 +115,6 @@ public:
            "implemented for all constants that have operands!");
     assert(0 && "Constants that do not have operands cannot be using 'From'!");
   }
-
-  /// getStringValue - Turn an LLVM constant pointer that eventually points to a
-  /// global into a string value.  Return an empty string if we can't do it.
-  /// Parameter Chop determines if the result is chopped at the first null
-  /// terminator.
-  ///
-  std::string getStringValue(bool Chop = true, unsigned Offset = 0);
 };
 
 } // End llvm namespace