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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - unsigned int getFPReg(const llvm::MachineOperand&): Assertion `Reg >= X86::FP0 && Reg <= X86::FP6 && "Expected FP register!""
href="https://bugs.llvm.org/show_bug.cgi?id=41668">41668</a>
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<th>Summary</th>
<td>unsigned int getFPReg(const llvm::MachineOperand&): Assertion `Reg >= X86::FP0 && Reg <= X86::FP6 && "Expected FP register!"
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
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<tr>
<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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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>
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<th>Priority</th>
<td>P
</td>
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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>
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<th>CC</th>
<td>craig.topper@gmail.com, llvm-bugs@lists.llvm.org, llvm-dev@redking.me.uk, spatel+llvm@rotateright.com
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<p>
<div>
<pre>Reduced from <a href="https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14508">https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14508</a>
source_filename =
"llvm/test/Transforms/LoopVectorize/X86/vectorize-only-for-real.ll"
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.11.0"
define void @accum() #0 {
entry:
%B6 = frem double 4.940660e-324, 0.000000e+00
store double %B6, double* undef
unreachable
}
attributes #0 = { "target-features"="+sse,-avx,-avx2,-sse2" }
llc: /home/simon/LLVM/llvm/lib/Target/X86/X86FloatingPoint.cpp:311: unsigned
int getFPReg(const llvm::MachineOperand&): Assertion `Reg >= X86::FP0 && Reg <=
X86::FP6 && "Expected FP register!"' failed.</pre>
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