[llvm-commits] [llvm] r109055 - /llvm/trunk/docs/WritingAnLLVMPass.html

Owen Anderson resistor at mac.com
Wed Jul 21 15:58:07 PDT 2010

Author: resistor
Date: Wed Jul 21 17:58:07 2010
New Revision: 109055

URL: http://llvm.org/viewvc/llvm-project?rev=109055&view=rev
First stab at updating the documentation for INITIALIZE_PASS().


Modified: llvm/trunk/docs/WritingAnLLVMPass.html
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/WritingAnLLVMPass.html?rev=109055&r1=109054&r2=109055&view=diff
--- llvm/trunk/docs/WritingAnLLVMPass.html (original)
+++ llvm/trunk/docs/WritingAnLLVMPass.html Wed Jul 21 17:58:07 2010
@@ -290,7 +290,7 @@
 initialization value is not important.</p>
 <div class="doc_code"><pre>
-  RegisterPass<Hello> 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 @@
 <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 @@
   char Hello::ID = 0;
-  RegisterPass<Hello> X("<i>hello</i>", "<i>Hello World Pass</i>");
+  INITIALIZE_PASS(Hello, "<i>Hello</i>", "<i>Hello World Pass</i>", false, false);
 <p>Now that it's all together, compile the file with a simple "<tt>gmake</tt>"
@@ -348,7 +349,7 @@
 <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 @@
 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

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