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Mention how to create overloaded intrinsics.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35549 91177308-0d34-0410-b5e6-96231b3b80d8
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Reid Spencer
2007-04-01 07:44:52 +00:00
parent a3c533a716
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@@ -87,7 +87,10 @@ function and then be turned into an instruction if warranted.</p>
<li><tt>llvm/include/llvm/Intrinsics*.td</tt>: <li><tt>llvm/include/llvm/Intrinsics*.td</tt>:
Add an entry for your intrinsic. Describe its memory access characteristics Add an entry for your intrinsic. Describe its memory access characteristics
for optimization (this controls whether it will be DCE'd, CSE'd, etc).</li> for optimization (this controls whether it will be DCE'd, CSE'd, etc). Note
that any intrinsic using the <tt>llvm_int_ty</tt> type for an argument will
be deemed by <tt>tblgen</tt> as overloaded and the corresponding suffix
will be required on the intrinsic's name.</li>
<li><tt>llvm/lib/Analysis/ConstantFolding.cpp</tt>: If it is possible to <li><tt>llvm/lib/Analysis/ConstantFolding.cpp</tt>: If it is possible to
constant fold your intrinsic, add support to it in the constant fold your intrinsic, add support to it in the