New functionality
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15266 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/AliasAnalysis.html b/docs/AliasAnalysis.html
index f1dbf86..10227fb 100644
--- a/docs/AliasAnalysis.html
+++ b/docs/AliasAnalysis.html
@@ -699,9 +699,11 @@
<div class="doc_text">
<p>This pass implements a simple context-sensitive mod/ref and alias analysis
-for internal global variables that don't "have their address taken". If a
-global does not have its address taken, the pass knows that no pointers alias
-the global.
+for internal global variables that don't "have their address taken". If a
+global does not have its address taken, the pass knows that no pointers alias
+the global. This pass also keeps track of functions that it knows never access
+memory or never read memory. This allows certain optimizations (e.g. GCSE) to
+eliminate call instructions entirely.
</p>
<p>The real power of this pass is that it provides context-sensitive mod/ref