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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Merge r330264 and other related fixes for PR37100 into the 6.0 branch"
href="https://bugs.llvm.org/show_bug.cgi?id=37406">37406</a>
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<th>Summary</th>
<td>Merge r330264 and other related fixes for PR37100 into the 6.0 branch
</td>
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<th>Product</th>
<td>new-bugs
</td>
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<th>Version</th>
<td>6.0
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>new bugs
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>dimitry@andric.com
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>Please merge the fix for <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - clang crashes with "-mllvm -enable-newgvn": error in backend: Cannot lower EFLAGS copy that lives out of a basic block!"
href="show_bug.cgi?id=37100">bug 37100</a> and prerequisite fixes into the 6.0 branch:
* <a href="https://reviews.llvm.org/rL325446">https://reviews.llvm.org/rL325446</a>: [X86] Add 'sahf' CPU feature to frontend
* <a href="https://reviews.llvm.org/rL328944">https://reviews.llvm.org/rL328944</a>: [x86] Expose more of the condition
conversion routines in the public API for X86's instruction information.
* <a href="https://reviews.llvm.org/rL329414">https://reviews.llvm.org/rL329414</a>: [X86] Merge itineraries for CLC, CMC, and
STC.
* <a href="https://reviews.llvm.org/rL329657">https://reviews.llvm.org/rL329657</a>: [x86] Introduce a pass to begin more
systematically fixing Phttps://reviews.llvm.org/rL36028 and similar issues.
* <a href="https://reviews.llvm.org/rL329673">https://reviews.llvm.org/rL329673</a>: [x86] Model the direction flag (DF)
separately from the rest ofEFLAGS.
* <a href="https://reviews.llvm.org/rL329771">https://reviews.llvm.org/rL329771</a>: [X86] In X86FlagsCopyLowering, when
rewriting a memory setcc we need to emit an explicit MOV8mr instruction.
* <a href="https://reviews.llvm.org/rL330264">https://reviews.llvm.org/rL330264</a>: [x86] Fix PR37100 by teaching the EFLAGS
copy lowering to rewrite uses across basic blocks in the limited cases where it
is very straight forward to do so.</pre>
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