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Include loop deletion and the ADCE rewrite in the release notes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52048 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -240,6 +240,11 @@ optimization. The LLVM optimizer now notices long sequences of consequtive
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stores and merges them into <tt>memcpy</tt>s where profitable.</li>
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<li>Alignment detection for vector memory references and for <tt>memcpy</tt> and
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<tt>memset</tt> is now more aggressive.</li>
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<li>The aggressive dead code elimination (ADCE) optimization has been rewritten to make
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it both faster and safer in the presence of code containing infinite loops.
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Some of its prior functionality has been factored out into the loop deletion
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pass, which <em>is</em> safe for infinite loops.</li>
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</ul>
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</div>
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