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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Can't generate constant memory by NVPTX"
href="http://llvm.org/bugs/show_bug.cgi?id=16278">16278</a>
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<th>Summary</th>
<td>Can't generate constant memory by NVPTX
</td>
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<th>Product</th>
<td>new-bugs
</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>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>new bugs
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>swpenim@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=10656" name="attach_10656" title="the llvm-ir sample">attachment 10656</a> <a href="attachment.cgi?id=10656&action=edit" title="the llvm-ir sample">[details]</a></span>
the llvm-ir sample
As the thread in <a href="http://ppt.cc/WT8z">http://ppt.cc/WT8z</a>. llvm-ir sample is in the attachment.
I have a kernel that contains a constant variable declared in file scope like
this:
constant one_f = 1.0f;
__kernel void test( ...){ ... }
Then it is compiled to llvm-ir:
@one_f = addrspace(4) global float 1.000000e+00, align 4
define void test(...){ ... }
Finally ptx:
.visible .global .align 4 .f32 one_f = 0f3F800000;
.entry test( ...) { ... }
one_f is placed in global memory and load it by ld.global.f32
Antony Yu</pre>
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