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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - TableGen foreach does not support non-literal ranges"
href="https://bugs.llvm.org/show_bug.cgi?id=41958">41958</a>
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<th>Summary</th>
<td>TableGen foreach does not support non-literal ranges
</td>
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<th>Product</th>
<td>tools
</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>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>TableGen
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>Matthew.Arsenault@amd.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>I want to avoid repeating the same constant in multiple places, but TableGen
does not support nontrivial foreach bounds:
class RegisterLimitsImpl {
int MaxSGPR = 105;
int MaxVGPR = 255;
}
def RegisterLimits : RegisterLimitsImpl;
foreach Index = 0-RegisterLimits.MaxVGPR in {
}
$ llvm-tblgen foreach-variable-range.td
foreach-variable-range.td:9:19: error: expected integer value as end of range
foreach Index = 0-RegisterLimits.MaxVGPR in {
^
foreach-variable-range.td:9:19: error: expected declaration in for
foreach Index = 0-RegisterLimits.MaxVGPR in {</pre>
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</p>
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