From d828bc6b315442f09c828209c73a659a1b8ad326 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 13 Apr 2004 19:48:55 +0000
Subject: [PATCH] Add a note

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12922 91177308-0d34-0410-b5e6-96231b3b80d8
---
 docs/ExtendingLLVM.html | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/ExtendingLLVM.html b/docs/ExtendingLLVM.html
index cc872ab78b8..c6f27f094bd 100644
--- a/docs/ExtendingLLVM.html
+++ b/docs/ExtendingLLVM.html
@@ -104,6 +104,10 @@ function and then be turned into an instruction if warranted.</p>
     not access memory, or does not write to memory, add it to the relevant list
     of functions.</li>
 
+<li><tt>llvm/lib/Transforms/Utils/Local.cpp</tt>: If it is possible to constant
+    propagate your intrinsic, add support to it in the
+    <tt>canConstantFoldCallTo</tt> and <tt>ConstantFoldCall</tt> functions.</li>
+
 <li>Test your intrinsic</li>
 <li><tt>llvm/test/Regression/*</tt>: add your test cases to the test suite.</li>
 </ol>