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Add two ARM known problems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36958 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -66,7 +66,7 @@ ways from our previous releases:</p>
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<li>We took this as an opportunity to
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break backwards compatibility with the LLVM 1.x bytecode and .ll file format.
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If you have LLVM 1.9 .ll files that you would like to upgrade to LLVM 2.x, we
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recommend the use of the stand alone <a href=#llvm-upgrade">llvm-upgrade</a>
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recommend the use of the stand alone <a href=#llvm-upgrade>llvm-upgrade</a>
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tool. We intend to keep compatibility with .ll and .bc formats within the 2.x
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release series, like we did within the 1.x series.</li>
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<li>There are several significant change to the LLVM IR and internal APIs, such
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@ -344,8 +344,11 @@ programs.</li>
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<div class="doc_text">
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<ul>
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<li>The ARM backend is currently in early development stages, it is not
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ready for production use.</li>
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<li>The Thumb mode works only on ARMv6 or higher processors. On sub-ARMv6
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processors, any thumb program compiled with LLVM crashes or produces wrong
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results. (<a href="http://llvm.org/PR1388">PR1388</a>)</li>
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<li>Compilation for ARM Linux OABI (old ABI) is supported, but not fully tested.
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</li>
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</ul>
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</div>
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