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<base href="https://bugs.llvm.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - IR verification failed"
href="https://bugs.llvm.org/show_bug.cgi?id=35156">35156</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>IR verification failed
</td>
</tr>
<tr>
<th>Product</th>
<td>OpenMP
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Windows NT
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Clang Compiler Support
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>evstupac@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Most likely related to <a class="bz_bug_link
bz_status_NEW "
title="NEW - `Scope.hasEHBranches() == (EHEntry != nullptr)' assertion with openmp reproducer:"
href="show_bug.cgi?id=35152">https://bugs.llvm.org/show_bug.cgi?id=35152</a>
Compilation of the following test:
void foo();
void bar();
int main ()
{
#pragma omp parallel
{
try {
foo();
}
catch (int t) {
#pragma omp critical
{
bar();
};
}
};
return 0;
}
clang -fopenmp --target=x86_64-pc-windows-msvc t.cpp -c
Result in:
Instruction does not dominate all uses!
%2 = catchpad within %1 [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i32*
%t]
%0 = call i32 @__kmpc_global_thread_num(%ident_t* @0) [ "funclet"(token %2) ]
fatal error: error in backend: Broken function found, compilation aborted!</pre>
</div>
</p>
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