[llvm-commits] [llvm] r122739 - /llvm/trunk/docs/WritingAnLLVMPass.html

Nick Lewycky nicholas at mxc.ca
Sun Jan 2 22:16:07 PST 2011

Author: nicholas
Date: Mon Jan  3 00:16:07 2011
New Revision: 122739

URL: http://llvm.org/viewvc/llvm-project?rev=122739&view=rev
Further expand what a call graph pass may do.

The rationale is that after analyzing a function in the SCC, we may want to
modify it in a way that requires us to update its uses (f.e. to replace the
call with a constant) or its users (f.e. to call it with fewer arguments).


Modified: llvm/trunk/docs/WritingAnLLVMPass.html
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/WritingAnLLVMPass.html?rev=122739&r1=122738&r2=122739&view=diff
--- llvm/trunk/docs/WritingAnLLVMPass.html (original)
+++ llvm/trunk/docs/WritingAnLLVMPass.html Mon Jan  3 00:16:07 2011
@@ -559,11 +559,9 @@
-<li>... <em>not allowed</em> to modify any <tt>Function</tt>s that are not in
-the current SCC.</li>
-<li>... <em>not allowed</em> to inspect any <tt>Function</tt>s other than those
-in the current SCC and the direct callers and direct callees of the SCC.</li>
+<li>... <em>not allowed</em> to inspect or modify any <tt>Function</tt>s other
+than those in the current SCC and the direct callers and direct callees of the
 <li>... <em>required</em> to preserve the current CallGraph object, updating it
 to reflect any changes made to the program.</li>

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