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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - wasm32: Import module directive no longer preserved"
href="https://bugs.llvm.org/show_bug.cgi?id=41383">41383</a>
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<th>Summary</th>
<td>wasm32: Import module directive no longer preserved
</td>
</tr>
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<th>Product</th>
<td>lld
</td>
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<th>Version</th>
<td>unspecified
</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>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>All Bugs
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>alex@crichton.co
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, peter.smith@linaro.org, sbc@chromium.org
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<p>
<div>
<pre>It looks like LLVM may have regressed recently by accident after the 8.0
release? Some local testing with tip-of-tree in a local Rust compiler for the
wasm target shows that this IR:
declare void @foo() #1
define void @bar() {
call void @foo()
ret void
}
attributes #1 = { "wasm-import-module"="test" }
when compiled:
$ llc foo.ll -filetype=obj -mtriple=wasm32-unknown-unknown -o foo.o
$ wasm-ld foo.o -o foo.wasm --no-entry --allow-undefined --export-dynamic
$ wasm2wat foo.wasm | grep import
(import "env" "foo" (func $foo (type 0)))
it looks like the name of the wasm import module, "test", was lost?</pre>
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