* Hyphenate ``constant-propagate''

* Add testing notes to the instruction section similar as for intrinsics
* Mention adding codegen support for new instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18409 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/ExtendingLLVM.html b/docs/ExtendingLLVM.html
index f2c56a049346c4a3a6fcd2567731ee4e866b6437..6aece2ff9ce7a0ebd014896cc4caac69d001aa58 100644 (file)
--- a/docs/ExtendingLLVM.html
+++ b/docs/ExtendingLLVM.html
@@ -100,12 +100,13 @@ 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
+<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>
+
+<li><tt>llvm/test/Regression/*</tt>: add your test cases to the test suite</li>
 </ol>
 
 <p>If this intrinsic requires code generator support (i.e., it cannot be
@@ -154,6 +155,14 @@ necessary.</p>
     implement the class you defined in
     <tt>llvm/include/llvm/Instructions.h</tt></li>
 
+<li>Test your instruction</li>
+
+<li><tt>llvm/lib/Target/*</tt>: 
+    Add support for your instruction to code generators, or add a lowering
+    pass.</li>
+
+<li><tt>llvm/test/Regression/*</tt>: add your test cases to the test suite.</li>
+
 </ol>
 
 <p>Also, you need to implement (or modify) any analyses or passes that you want