llvm-project/llvm/test/CodeGen/X86/pr13577.ll

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; RUN: llc < %s -march=x86-64
define x86_fp80 @foo(x86_fp80 %a) {
%1 = tail call x86_fp80 @copysignl(x86_fp80 0xK7FFF8000000000000000, x86_fp80 %a) nounwind readnone
ret x86_fp80 %1
}
declare x86_fp80 @copysignl(x86_fp80, x86_fp80) nounwind readnone