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Add some release notes about the fix for PR26774 

As suggested by Chandler on the review thread for D18634.

llvm-svn: 267239
This commit is contained in:
Sanjoy Das 2016-04-22 22:45:23 +00:00
parent 580471033e
commit 784ec12a3c
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10
llvm/docs/ReleaseNotes.rst
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@ -87,6 +87,16 @@ Changes to the LLVM IR
``llvm.masked.gather`` and ``llvm.masked.scatter`` were introduced to the
LLVM IR to allow selective memory access for vector data types.
Changes to LLVM's IPO model
---------------------------
LLVM no longer does inter-procedural analysis and optimization (except
inlining) on functions with comdat linkage. Doing IPO over such
functions is unsound because the implementation the linker chooses at
link-time may be differently optimized than the one what was visible
during optimization, and may have arbitrarily different observable
behavior. See `PR26774 <http://llvm.org/PR26774>`_ for more details.
Changes to the ARM Backend
--------------------------