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<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - signext on vector parameter raises assertion"
href="http://llvm.org/bugs/show_bug.cgi?id=15391">15391</a>
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</tr>
<tr>
<th>Summary</th>
<td>signext on vector parameter raises assertion
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Core LLVM classes
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>leissa@cs.uni-saarland.de
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>This:
define <4 x float> @masked_add_1(<4 x i1> signext %mask, <4 x float> %a, <4 x
float> %b) { ... }
or this:
define <4 x float> @masked_add_32(<4 x i32> signext %mask, <4 x float> %a, <4 x
float> %b) { ... }
will raise an assertion due to the signext attribute.
backtrace:
#0 0x00007ffff6e2d2c5 in raise () from /usr/lib/libc.so.6
#1 0x00007ffff6e2e748 in abort () from /usr/lib/libc.so.6
#2 0x000000000137e601 in (anonymous namespace)::Verifier::abortIfBroken
(this=0x1e161a0) at /home/roland/projects/sierra/llvm/lib/IR/Verifier.cpp:226
#3 0x000000000137e2f9 in (anonymous namespace)::Verifier::runOnFunction
(this=0x1e161a0, F=...) at
/home/roland/projects/sierra/llvm/lib/IR/Verifier.cpp:179
#4 0x0000000001352d1d in llvm::FPPassManager::runOnFunction (this=0x1e16af0,
F=...) at /home/roland/projects/sierra/llvm/lib/IR/PassManager.cpp:1530
#5 0x0000000001352f0e in llvm::FPPassManager::runOnModule (this=0x1e16af0,
M=...) at /home/roland/projects/sierra/llvm/lib/IR/PassManager.cpp:1550
#6 0x00000000013532a0 in llvm::MPPassManager::runOnModule (this=0x1e06110,
M=...) at /home/roland/projects/sierra/llvm/lib/IR/PassManager.cpp:1608
#7 0x00000000013538c5 in llvm::PassManagerImpl::run (this=0x1e03be0, M=...) at
/home/roland/projects/sierra/llvm/lib/IR/PassManager.cpp:1703
#8 0x0000000001353ad7 in llvm::PassManager::run (this=0x7fffffffdfb0, M=...)
at /home/roland/projects/sierra/llvm/lib/IR/PassManager.cpp:1738
#9 0x00000000008e0307 in compileModule (argv=0x7fffffffe398, Context=...) at
/home/roland/projects/sierra/llvm/tools/llc/llc.cpp:376
#10 0x00000000008df372 in main (argc=2, argv=0x7fffffffe398) at
/home/roland/projects/sierra/llvm/tools/llc/llc.cpp:194</pre>
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