diff --git a/doc/TODO b/doc/TODO
index c4bf58a..3e43030 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -27,6 +27,8 @@
 - Add limited inter-block redundant-move elimination: propagate across
   splits but not joins.
 
+- Optimize allocations (some reports of 5-7% of time spent in allocator)
+
 # Cleanup
 
 - Remove support for non-SSA code once no longer necessary
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