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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
commit750c425d76dc1c7cefefcd87c3a88207bbdf777b (patch)
tree29bca58215f0e25622d2866b5cfbd730b9e4e3bd /docs
parentdb67ecd49d231b8a70420680b1c95736be5e7908 (diff)
Add a note about implementing interprocedural register allocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14569 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
-rw-r--r--docs/OpenProjects.html4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/OpenProjects.html b/docs/OpenProjects.html
index ec29cbe4a9..ebf28abb72 100644
--- a/docs/OpenProjects.html
+++ b/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>