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Update some AliasAnalysis pass docs for getAdjustedAnalysisPointer.

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Patch by George Burgess.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209467 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2014-05-22 19:38:25 +00:00
parent fed4bab148
commit ff93350aa6
1 changed files with 14 additions and 0 deletions
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docs/AliasAnalysis.rst
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@ -246,6 +246,20 @@ analysis run method (``run`` for a ``Pass``, ``runOnFunction`` for a
return false;
}
Required methods to override
----------------------------
You must override the ``getAdjustedAnalysisPointer`` method on all subclasses
of ``AliasAnalysis``. An example implementation of this method would look like:
.. code-block:: c++
void *getAdjustedAnalysisPointer(const void* ID) override {
if (ID == &AliasAnalysis::ID)
return (AliasAnalysis*)this;
return this;
}
Interfaces which may be specified
---------------------------------