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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - X86 make check has a bunch of machine verifier errors"
href="https://llvm.org/bugs/show_bug.cgi?id=27481">27481</a>
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<th>Summary</th>
<td>X86 make check has a bunch of machine verifier errors
</td>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Backend: X86
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>qcolombet@apple.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>Switching the machine verifier ON by default (lib/CodeGen/Passes.cpp then
change the default value of the cl::opt related to the machine verifier) leads
to a bunch of machine verifier errors for make check:
LLVM :: CodeGen/X86/cleanuppad-inalloca.ll
LLVM :: CodeGen/X86/cmpxchg-clobber-flags.ll
LLVM :: CodeGen/X86/cxx_tlscc64.ll
LLVM :: CodeGen/X86/darwin-tls.ll
LLVM :: CodeGen/X86/fast-isel-nontemporal.ll
LLVM :: CodeGen/X86/i386-tlscall-fastregalloc.ll
LLVM :: CodeGen/X86/implicit-null-check.ll
LLVM :: CodeGen/X86/inalloca-ctor.ll
LLVM :: CodeGen/X86/inalloca-invoke.ll
LLVM :: CodeGen/X86/inalloca-regparm.ll
LLVM :: CodeGen/X86/inalloca-stdcall.ll
LLVM :: CodeGen/X86/inalloca.ll
LLVM :: CodeGen/X86/machine-sink-and-implicit-null-checks.ll
LLVM :: CodeGen/X86/musttail-indirect.ll
LLVM :: CodeGen/X86/musttail-thiscall.ll
LLVM :: CodeGen/X86/musttail-varargs.ll
LLVM :: CodeGen/X86/peephole-na-phys-copy-folding.ll
LLVM :: CodeGen/X86/pku.ll
LLVM :: CodeGen/X86/rtm.ll
LLVM :: CodeGen/X86/scheduler-backtracking.ll
LLVM :: CodeGen/X86/shrink-wrap-chkstk.ll
LLVM :: CodeGen/X86/sibcall-2.ll
LLVM :: CodeGen/X86/sibcall.ll
LLVM :: CodeGen/X86/stack-folding-fp-avx1.ll
LLVM :: CodeGen/X86/stack-folding-fp-sse42.ll
LLVM :: CodeGen/X86/tls-models.ll
LLVM :: CodeGen/X86/tlv-1.ll
LLVM :: CodeGen/X86/tlv-2.ll
LLVM :: CodeGen/X86/win_coreclr_chkstk.ll
LLVM :: CodeGen/X86/x32-function_pointer-1.ll
LLVM :: CodeGen/X86/x86-64-stack-and-frame-ptr.ll
LLVM :: CodeGen/X86/x86-interrupt_vzeroupper.ll
LLVM :: CodeGen/X86/x86-shrink-wrapping.ll
This may be latent bugs.</pre>
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