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* Hyphenate ``constant-propagate''

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* 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
This commit is contained in:
Misha Brukman 2004-12-01 20:58:54 +00:00
parent e940714e4e
commit a424228023
1 changed files with 12 additions and 3 deletions
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15
docs/ExtendingLLVM.html
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@ -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