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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3611 91177308-0d34-0410-b5e6-96231b3b80d8
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Joel Stanley 2002-09-06 23:42:40 +00:00
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docs/ProgrammersManual.html
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@ -244,19 +244,17 @@ exactly equivalent to <tt>(*i).size()</tt> just like you'd expect.
</ul><h4><a name="iterate_basicblock"><hr size=0>Iterating over the </ul><h4><a name="iterate_basicblock"><hr size=0>Iterating over the
<tt>Instruction</tt>s in a <tt>BasicBlock</tt> </h4><ul> <tt>Instruction</tt>s in a <tt>BasicBlock</tt> </h4><ul>
Just like when dealing with <tt>BasicBlock</tt>s in <tt>Function</tt>s, it's Just like when dealing with <tt>BasicBlock</tt>s in
easy to iterate over the individual instructions that make up <tt>Function</tt>s, it's easy to iterate over the individual
<tt>BasicBlock</tt>s. Here's a code snippet that prints out each instruction in instructions that make up <tt>BasicBlock</tt>s. Here's a code snippet
a <tt>BasicBlock</tt>: that prints out each instruction in a <tt>BasicBlock</tt>:
<pre> <pre>
// blk is a pointer to a BasicBlock instance // blk is a pointer to a BasicBlock instance
for(BasicBlock::iterator i = blk-&gt;begin(), e = blk-&gt;end(); i != e; ++i) { for(BasicBlock::iterator i = blk-&gt;begin(), e = blk-&gt;end(); i != e; ++i) {
// the next statement works since operator&lt;&lt;(ostream&amp;,...) // the next statement works since operator&lt;&lt;(ostream&amp;,...)
// is overloaded for Instruction&amp; // is overloaded for Instruction&amp;
cerr &lt;&lt; *i &lt;&lt; endl; cerr &lt;&lt; *i &lt;&lt; endl;
}
</pre> </pre>
However, this isn't really the best way to print out the contents of a However, this isn't really the best way to print out the contents of a
@ -323,12 +321,8 @@ void printNextInstruction(Instruction* inst) {
if(it != inst-&gt;getParent()->end()) cerr &lt;&lt *it &lt;&lt endl; if(it != inst-&gt;getParent()->end()) cerr &lt;&lt *it &lt;&lt endl;
} }
</pre> </pre>
Of course, this example is strictly pedagogical, because it'd be much
Of course, this example is strictly pedagogical, because it'd be better to explicitly grab the next instruction directly from inst.
better to do something like
<pre>if(inst-&gt;getNext()) cerr &lt;&lt inst-&gt;getNext() &lt;&lt endl;</pre>
<!-- dereferenced iterator = Class & <!-- dereferenced iterator = Class &
iterators have converting constructor for 'Class *' iterators have converting constructor for 'Class *'
@ -401,7 +395,6 @@ virtual runOnFunction(Function&amp F) {
We could then print out the value of callCounter (if we wanted to) We could then print out the value of callCounter (if we wanted to)
inside the doFinalization method of our FunctionPass. inside the doFinalization method of our FunctionPass.
<!-- ======================================================================= --> <!-- ======================================================================= -->
</ul><table width="100%" bgcolor="#441188" border=0 cellpadding=4 cellspacing=0> </ul><table width="100%" bgcolor="#441188" border=0 cellpadding=4 cellspacing=0>
<tr><td>&nbsp;</td><td width="100%">&nbsp; <tr><td>&nbsp;</td><td width="100%">&nbsp;
@ -1243,6 +1236,10 @@ pointer to the parent Function.
<a href="mailto:sabre@nondot.org">Chris Lattner</a></address> <a href="mailto:sabre@nondot.org">Chris Lattner</a></address>
<!-- Created: Tue Aug 6 15:00:33 CDT 2002 --> <!-- Created: Tue Aug 6 15:00:33 CDT 2002 -->
<!-- hhmts start --> <!-- hhmts start -->
<<<<<<< ProgrammersManual.html
Last modified: Fri Sep 6 18:24:38 EDT 2002
=======
Last modified: Fri Sep 6 18:03:31 EDT 2002 Last modified: Fri Sep 6 18:03:31 EDT 2002
>>>>>>> 1.10
<!-- hhmts end --> <!-- hhmts end -->
</font></body></html> </font></body></html>