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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [AMDGPU][MC] Many operands do not accept constant expressions for unclear reason"
href="https://bugs.llvm.org/show_bug.cgi?id=40873">40873</a>
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<th>Summary</th>
<td>[AMDGPU][MC] Many operands do not accept constant expressions for unclear reason
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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>All
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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
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<th>Component</th>
<td>Backend: AMDGPU
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>dpreobrazhensky@luxoft.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>Examples:
x = 1
v_or3_b32 v1, v2, v3, 1 // ok
v_or3_b32 v1, v2, v3, x // error
y = 0x11213141
v_madak_f32 v5, v1, v2, 0x11213141 // ok
v_madak_f32 v5, v1, v2, y // error
A list of known issues:
- reg/const (isRegOrInlineNoMods)
- reg/lit (isVSrcB64, isVSrcB16, isVSrcF16, isVSrcF16, isVCSrcV2F16 etc)
- sopp, sopk 16-bit constants
- s_setreg_imm32_b32 32-bit constant
- madak fp constants</pre>
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