<html>
<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_CONFIRMED "
title="CONFIRMED - Clang does not diagnose access to the host-side variables from device-side code."
href="https://bugs.llvm.org/show_bug.cgi?id=48121">48121</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Clang does not diagnose access to the host-side variables from device-side code.
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>11.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>CONFIRMED
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>CUDA
</td>
</tr>
<tr>
<th>Assignee</th>
<td>tra@google.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>tra@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Following code compiles to PTX. It should not. Clang should produce an error
when device-side code attempts to access host-side data.
<a href="https://godbolt.org/z/faPWcv">https://godbolt.org/z/faPWcv</a>
int host_var;
__global__ void kernel(int * out)
{
*out = host_var;
}</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>