Update example notes to clarify system linker's role.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35597 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/LinkTimeOptimization.html b/docs/LinkTimeOptimization.html
index a79efa8693525f6a5d7ab75361d88e708baa792e..2750d1057e3175d5c5b5cea3124fd37e1485e2f2 100644 (file)
--- a/docs/LinkTimeOptimization.html
+++ b/docs/LinkTimeOptimization.html
@@ -83,7 +83,9 @@ conservative escape analysis.
 
 <div class="doc_text">
   <p>The following example illustrates the advantages of LTO's integrated 
-  approach and clean interface.</p>
+  approach and clean interface. This example requires optimization support,
+  using interface described in this document, from system linker. Here,
+  llvm-gcc4 transparantly invokes system linker. </p>
   <ul>
     <li> Input source file <tt>a.c</tt> is compiled into LLVM byte code form.
     <li> Input source file <tt>main.c</tt> is compiled into native object code.