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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 - __nvvm_shfl_sync_idx_i32 error when building Clang OpenMP offload support"
href="https://bugs.llvm.org/show_bug.cgi?id=41756">41756</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>__nvvm_shfl_sync_idx_i32 error when building Clang OpenMP offload support
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>OpenMP
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>csdaley@lbl.gov
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>I cannot compile the OpenMP offload file parallel.cu-sm_60.bc. I am using
CUDA-9.2.
```
/project/projectdirs/m888/csdaley/software/cgpu/llvm/9.0.0-git-patched-upstream_20190502/lib/clang/9.0.0/include
/__clang_cuda_intrinsics.h:173:35: error: '__nvvm_shfl_sync_idx_i32' needs
target feature ptx60|ptx61|ptx63|ptx6
4
make -f projects/compiler-rt/lib/hwasan/CMakeFiles/hwasan.dir/build.make
projects/compiler-rt/lib/hwasan/CMakeFi
les/hwasan.dir/depend
__MAKE_SYNC_SHUFFLES(__shfl_sync, __nvvm_shfl_sync_idx_i32,
^
projects/openmp/libomptarget/deviceRTLs/nvptx/CMakeFiles/omptarget-nvptx-60-bc.dir/build.make:104:
recipe for target
'projects/openmp/libomptarget/deviceRTLs/nvptx/parallel.cu-sm_60.bc' failed
make[2]: ***
[projects/openmp/libomptarget/deviceRTLs/nvptx/parallel.cu-sm_60.bc] Error 1
make[2]: *** Waiting for unfinished jobs....
```
It appears to be an issue with commit
<a href="https://github.com/llvm-mirror/clang/commit/eee685e5e1a9e12245a2a20bfd44db99ca63f8ce">https://github.com/llvm-mirror/clang/commit/eee685e5e1a9e12245a2a20bfd44db99ca63f8ce</a>
because rolling back 1 commit allows me to build the compiler.</pre>
</div>
</p>
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