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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - WebAssembly- assertion failure with alias for function"
href="https://bugs.llvm.org/show_bug.cgi?id=38866">38866</a>
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<th>Summary</th>
<td>WebAssembly- assertion failure with alias for function
</td>
</tr>
<tr>
<th>Product</th>
<td>tools
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>llc
</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>dfordivam@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>The alias in following code causes the below mentioned assertion with
webassembly target. It works fine with x86.
I guess this is because the alias Symbol is marked as 'isData' instead of
'isFunction'
llc: /home/divam/repos/llvm/lib/MC/WasmObjectWriter.cpp:1323: virtual uint64_t
{anonymous}::WasmObjectWriter::writeObject(llvm::MCAssembler&, const
llvm::MCAsmLayout&): Assertion `DataLocations.count(ResolvedSym) > 0' failed.
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown-wasm"
; target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
; target triple = "i386-unknown-linux-gnu"
@ghczmprim_GHCziTypes_heqzusel_entry = alias i8, bitcast (void ()*
@ghczmprim_GHCziTypes_heqzusel_entry$def to i8*)
define ccc void @ghczmprim_GHCziTypes_heqzusel_entry$def() align 4 nounwind
{
c9YQ:
%ln9YZ = ptrtoint i8* @MainCapability to i32
%ln9Z0 = add i32 %ln9YZ, 808
ret void
}
@MainCapability = external global i8</pre>
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