From f03b63de59bc7adb5e8a71450f77d35c09a34f51 Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Fri, 2 Jul 2004 06:27:12 +0000
Subject: [PATCH] Add a note about implementing interprocedural register
 allocation.

llvm-svn: 14569
---
 llvm/docs/OpenProjects.html | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/llvm/docs/OpenProjects.html b/llvm/docs/OpenProjects.html
index ec29cbe4a9d8..ebf28abb728f 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>