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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ICE when compiling OpenCL kernels for Arm CPU"
href="https://bugs.llvm.org/show_bug.cgi?id=50841">50841</a>
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<th>Summary</th>
<td>ICE when compiling OpenCL kernels for Arm CPU
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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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>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>OpenCL
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>anastasia.stulova@arm.com
</td>
</tr>
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<th>CC</th>
<td>anastasia.stulova@arm.com, llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>Compiling any valid OpenCL C source with kernel results in ICE.
Example:
kernel void foo(__global int* ptr)
{
*ptr = 1;
};
Command line:
clang-13 --target=arm-linux-gnueabi test.cl
The compilation fails with ICE:
fatal error: error in backend: Unsupported calling convention
This due to the fact that we add SPIR_KERNEL calling convention by default to
all kernels but the targets are expected to override it if they don't handle
it.</pre>
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