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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [X86] X86ISelDAGToDAG - unsupported store size"
href="https://bugs.llvm.org/show_bug.cgi?id=39256">39256</a>
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<th>Summary</th>
<td>[X86] X86ISelDAGToDAG - unsupported store size
</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>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Backend: X86
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>llvm-dev@redking.me.uk
</td>
</tr>
<tr>
<th>CC</th>
<td>craig.topper@gmail.com, llvm-bugs@lists.llvm.org
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</tr></table>
<p>
<div>
<pre><a href="https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10895">https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10895</a>
; ModuleID =
'clusterfuzz-testcase-minimized-llvm-isel-fuzzer--x86_64-O2-5656232589787136'
source_filename = "llvm/test/Transforms/InstCombine/loadstore-metadata.ll"
target datalayout = "e-m:e-p:64:64:64-i64:64-f80:128-n8:16:32:64-S128"
define i32 @test_load_cast_combine_nontemporal(float* %ptr) {
entry:
%l = load float, float* %ptr, !nontemporal !0
%C = fcmp ult float %l, 0x36A0000000000000
store i1 %C, i1* undef
ret i32 -2147483648
}
!0 = !{i32 1}
!1 = !{!"scalar type", !2}
!2 = !{!"root"}
llc
Unsupported store size
UNREACHABLE executed at
/home/simon/LLVM/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp:443!</pre>
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