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First stab at updating the documentation for INITIALIZE_PASS().

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109055 91177308-0d34-0410-b5e6-96231b3b80d8
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Owen Anderson 2010-07-21 22:58:07 +00:00
parent ab695889c6
commit 20813e01e7
1 changed files with 7 additions and 7 deletions
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14
docs/WritingAnLLVMPass.html
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@ -290,7 +290,7 @@ function.</p>
initialization value is not important.</p>
<div class="doc_code"><pre>
RegisterPass&lt;Hello&gt; X("<i>hello</i>", "<i>Hello World Pass</i>",
INITIALIZE_PASS(Hello, "<i>hello</i>", "<i>Hello World Pass</i>",
false /* Only looks at CFG */,
false /* Analysis Pass */);
} <i>// end of anonymous namespace</i>
@ -299,7 +299,7 @@ initialization value is not important.</p>
<p>Lastly, we <a href="#registration">register our class</a> <tt>Hello</tt>,
giving it a command line
argument "<tt>hello</tt>", and a name "<tt>Hello World Pass</tt>".
Last two RegisterPass arguments are optional. Their default value is false.
Last two arguments describe its behavior.
If a pass walks CFG without modifying it then third argument is set to true.
If a pass is an analysis pass, for example dominator tree pass, then true
is supplied as fourth argument. </p>
@ -326,8 +326,9 @@ is supplied as fourth argument. </p>
};
char Hello::ID = 0;
RegisterPass&lt;Hello&gt; X("<i>hello</i>", "<i>Hello World Pass</i>");
INITIALIZE_PASS(Hello, "<i>Hello</i>", "<i>Hello World Pass</i>", false, false);
}
</pre></div>
<p>Now that it's all together, compile the file with a simple "<tt>gmake</tt>"
@ -348,7 +349,7 @@ them) to be useful.</p>
<p>Now that you have a brand new shiny shared object file, we can use the
<tt>opt</tt> command to run an LLVM program through your pass. Because you
registered your pass with the <tt>RegisterPass</tt> template, you will be able to
registered your pass with the <tt>INITIALIZE_PASS</tt> macro, you will be able to
use the <tt>opt</tt> tool to access it, once loaded.</p>
<p>To test it, follow the example at the end of the <a
@ -966,9 +967,8 @@ remember, you may not modify the LLVM <tt>Function</tt> or its contents from a
pass registration works, and discussed some of the reasons that it is used and
what it does. Here we discuss how and why passes are registered.</p>
<p>As we saw above, passes are registered with the <b><tt>RegisterPass</tt></b>
template, which requires you to pass at least two
parameters. The first parameter is the name of the pass that is to be used on
<p>As we saw above, passes are registered with the <b><tt>INITIALIZE_PASS</tt></b>
macro. The first parameter is the name of the pass that is to be used on
the command line to specify that the pass should be added to a program (for
example, with <tt>opt</tt> or <tt>bugpoint</tt>). The second argument is the
name of the pass, which is to be used for the <tt>-help</tt> output of