Move MaximumAlignment to Value.h, now that GlobalValue.h needs it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109656 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Value.h

@@ -401,6 +401,10 @@ public:
   enum { NumLowBitsAvailable = 2 };
 };
 
+/// MaximumAlignment - This is the greatest alignment value supported by
+/// load, store, and alloca instructions, and global values.
+static const unsigned MaximumAlignment = 1u << 29;
+
 } // End llvm namespace
 
 #endif