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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Library vectorization broken with new pass manager"
href="https://bugs.llvm.org/show_bug.cgi?id=44770">44770</a>
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<th>Summary</th>
<td>Library vectorization broken with new pass manager
</td>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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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>Loop Optimizer
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>benny.kra@gmail.com
</td>
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<th>CC</th>
<td>francesco.petrogalli@arm.com, jdoerfert@anl.gov, llvm-bugs@lists.llvm.org
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<p>
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<pre>$ cat veclib.c
void foo(float *a) {
for (int i = 0; i != 1024; ++i)
a[i] = __builtin_expf(a[i]);
}
$ clang -O3 -S -o - veclib.c -fveclib=Accelerate
-fexperimental-new-pass-manager|grep vexpf
$ clang -O3 -S -o - veclib.c -fveclib=Accelerate |grep vexpf
callq vexpf
callq vexpf
The reason seems to be that InjectTLIMappings never runs.</pre>
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