[xbuild] Add support for wildcards in Import.

[mono.git] / docs / ssapre.txt

diff --git a/docs/ssapre.txt b/docs/ssapre.txt
index 49b9a9a0eacd4019294ded2d899786508952375a..ed1f1ba13ba3163b78b53fbd4ca03458d063b816 100644 (file)
--- a/docs/ssapre.txt
+++ b/docs/ssapre.txt
@@ -245,4 +245,6 @@ Other interesting issues are:
   - no more than one version of each originsl variable is live at the same time
     in the CFG.
   It would be better to relax these assumptions.
-- SSAPRE operates on "syntactic"
+- SSAPRE operates on "syntactic" redundancies, not on "values".
+  GVNPRE (or other means of merging GVN) would be a nice alternative, see
+  "http://www.cs.purdue.edu/homes/vandrutj/papers/thesis.pdf".