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authorReid Spencer <rspencer@reidspencer.com>2004-07-02 06:27:12 +0000
committerReid Spencer <rspencer@reidspencer.com>2004-07-02 06:27:12 +0000
commitf03b63de59bc7adb5e8a71450f77d35c09a34f51 (patch)
treecd44c4aed5d4ce4eb5e8335a29ac996d36b0f318
parentdcecac198e0dca32512f342f5a487db492741fdf (diff)
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Add a note about implementing interprocedural register allocation.
llvm-svn: 14569
-rw-r--r--llvm/docs/OpenProjects.html4
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diff --git a/llvm/docs/OpenProjects.html b/llvm/docs/OpenProjects.html
index ec29cbe..ebf28ab 100644
--- a/llvm/docs/OpenProjects.html
+++ b/llvm/docs/OpenProjects.html
@@ -303,6 +303,10 @@ profiling code to work with the generic profiling interfaces.</li>
<li>Implement a better instruction selector</li>
<li>Implement support for the "switch" instruction without requiring the
lower-switches pass.</li>
+<li>Implement interprocedural register allocation. The CallGraphSCCPass can be
+ used to implement a bottom-up analysis that will determine the *actual*
+ registers clobbered by a function. Use the pass to fine tune register usage
+ in callers based on *actual* registers used by the callee.</li>
</ol>
</div>