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Update Release notes regarding TTI.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174586 91177308-0d34-0410-b5e6-96231b3b80d8
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Nadav Rotem 2013-02-07 05:44:58 +00:00
parent 87c6157ff6
commit 2119cf0880
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docs/ReleaseNotes.rst

@ -67,6 +67,13 @@ Non-comprehensive list of changes in this release
We've also improved the X86 and ARM cost model.
TargetTransformInfo
-------------------
TargetTransformInto (TTI) is a new interface that can be used by IR-level passes
to obtain target-specific information, such as the costs of instructions. Only "Lowering"
passes such as LSR and the vectorizer are allowed to use the TTI infrastructure.
* ... next change ...
.. NOTE