Correct the Superclasses list for GlobalVariable and Function to indi…

…cate

that they are "Constant" as they derive from GlobalValue. Also, fix some of
the wording where it mentions this.
Patch inspired by Nai Xia.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27701 91177308-0d34-0410-b5e6-96231b3b80d8

docs/ProgrammersManual.html

@@ -1710,8 +1710,8 @@ <h3>Iteration</h3>
 href="/doxygen/GlobalValue_8h-source.html">llvm/GlobalValue.h</a>"</tt><br>
 doxygen info: <a href="/doxygen/classllvm_1_1GlobalValue.html">GlobalValue
 Class</a><br>
-Superclasses: <a href="#User"><tt>User</tt></a>, <a
-href="#Value"><tt>Value</tt></a></p>
+Superclasses: <a href="#Constant"><tt>Constant</tt></a>, 
+<a href="#User"><tt>User</tt></a>, <a href="#Value"><tt>Value</tt></a></p>
 
 <p>Global values (<a href="#GlobalVariable"><tt>GlobalVariable</tt></a>s or <a
 href="#Function"><tt>Function</tt></a>s) are the only LLVM values that are
@@ -1778,15 +1778,17 @@ <h3>Iteration</h3>
 <p><tt>#include "<a
 href="/doxygen/Function_8h-source.html">llvm/Function.h</a>"</tt><br> doxygen
 info: <a href="/doxygen/classllvm_1_1Function.html">Function Class</a><br>
-Superclasses: <a href="#GlobalValue"><tt>GlobalValue</tt></a>, <a
-href="#User"><tt>User</tt></a>, <a href="#Value"><tt>Value</tt></a></p>
+Superclasses: <a href="#GlobalValue"><tt>GlobalValue</tt></a>, 
+<a href="#Constant"><tt>Constant</tt></a>, 
+<a href="#User"><tt>User</tt></a>, 
+<a href="#Value"><tt>Value</tt></a></p>
 
 <p>The <tt>Function</tt> class represents a single procedure in LLVM.  It is
 actually one of the more complex classes in the LLVM heirarchy because it must
 keep track of a large amount of data.  The <tt>Function</tt> class keeps track
-of a list of <a href="#BasicBlock"><tt>BasicBlock</tt></a>s, a list of formal <a
-href="#Argument"><tt>Argument</tt></a>s, and a <a
-href="#SymbolTable"><tt>SymbolTable</tt></a>.</p>
+of a list of <a href="#BasicBlock"><tt>BasicBlock</tt></a>s, a list of formal 
+<a href="#Argument"><tt>Argument</tt></a>s, and a 
+<a href="#SymbolTable"><tt>SymbolTable</tt></a>.</p>
 
 <p>The list of <a href="#BasicBlock"><tt>BasicBlock</tt></a>s is the most
 commonly used part of <tt>Function</tt> objects.  The list imposes an implicit
@@ -1915,20 +1917,22 @@ <h3>Iteration</h3>
 href="/doxygen/GlobalVariable_8h-source.html">llvm/GlobalVariable.h</a>"</tt>
 <br>
 doxygen info: <a href="/doxygen/classllvm_1_1GlobalVariable.html">GlobalVariable
-Class</a><br> Superclasses: <a href="#GlobalValue"><tt>GlobalValue</tt></a>, <a
-href="#User"><tt>User</tt></a>, <a href="#Value"><tt>Value</tt></a></p>
+ Class</a><br>
+Superclasses: <a href="#GlobalValue"><tt>GlobalValue</tt></a>, 
+<a href="#Constant"><tt>Constant</tt></a>,
+<a href="#User"><tt>User</tt></a>,
+<a href="#Value"><tt>Value</tt></a></p>
 
 <p>Global variables are represented with the (suprise suprise)
 <tt>GlobalVariable</tt> class. Like functions, <tt>GlobalVariable</tt>s are also
 subclasses of <a href="#GlobalValue"><tt>GlobalValue</tt></a>, and as such are
 always referenced by their address (global values must live in memory, so their
-"name" refers to their address). See <a
-href="#GlobalValue"><tt>GlobalValue</tt></a> for more on this. Global variables
-may have an initial value (which must be a <a
-href="#Constant"><tt>Constant</tt></a>), and if they have an initializer, they
-may be marked as "constant" themselves (indicating that their contents never
-change at runtime).</p>
-
+"name" refers to their constant address). See 
+<a href="#GlobalValue"><tt>GlobalValue</tt></a> for more on this.  Global 
+variables may have an initial value (which must be a 
+<a href="#Constant"><tt>Constant</tt></a>), and if they have an initializer, 
+they may be marked as "constant" themselves (indicating that their contents 
+never change at runtime).</p>
 </div>
 
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