Remind us of exit value substitution
llvm-svn: 26862
diff --git a/llvm/lib/Target/README.txt b/llvm/lib/Target/README.txt
index 2c624c7..2dd46d2 100644
--- a/llvm/lib/Target/README.txt
+++ b/llvm/lib/Target/README.txt
@@ -125,3 +125,6 @@
1. The instcombiner should eliminate the type conversions.
2. The X86 backend should turn this into a rotate by one bit.
+//===---------------------------------------------------------------------===//
+
+Add LSR exit value substitution. It'll probably be a win for Ackermann, etc.