Commit 32ee9b3e authored by Simon Peyton Jones's avatar Simon Peyton Jones
Browse files

Improve -flate-dmd-anal documentation

parent a8a0764a
......@@ -2134,7 +2134,11 @@ f "2" = 2
</term>
<listitem>
<para><emphasis>Off by default.</emphasis>Run demand analysis
again, at the end of the simplification pipeline
again, at the end of the simplification pipeline. We found some opportunities
for discovering strictness that were not visible earlier; and optimisations like
<literal>SpecConstr</literal> can create functions with unused arguments which
are eliminated by late demand analysis. Improvements are modest, but so is the
cost. See notes on the <ulink href="http://ghc.haskell.org/trac/ghc/wiki/LateDmd">Trac wiki page</ulink>.
</para>
</listitem>
</varlistentry>
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment