; RUN: llc < %s -march=x86 -mtriple=i386-apple-darwin8 ; PR3561 define hidden void @__mulxc3({ x86_fp80, x86_fp80 }* noalias nocapture sret %agg.result, x86_fp80 %a, x86_fp80 %b, x86_fp80 %c, x86_fp80 %d) nounwind { entry: %0 = fmul x86_fp80 %b, %d ; [#uses=1] %1 = fsub x86_fp80 0xK00000000000000000000, %0 ; [#uses=1] %2 = fadd x86_fp80 0xK00000000000000000000, 0xK00000000000000000000 ; [#uses=1] %3 = fcmp uno x86_fp80 %1, 0xK00000000000000000000 ; [#uses=1] %4 = fcmp uno x86_fp80 %2, 0xK00000000000000000000 ; [#uses=1] %or.cond = and i1 %3, %4 ; [#uses=1] br i1 %or.cond, label %bb47, label %bb71 bb47: ; preds = %entry %5 = fcmp uno x86_fp80 %a, 0xK00000000000000000000 ; [#uses=1] br i1 %5, label %bb60, label %bb62 bb60: ; preds = %bb47 %6 = tail call x86_fp80 @copysignl(x86_fp80 0xK00000000000000000000, x86_fp80 %a) nounwind readnone ; [#uses=0] br label %bb62 bb62: ; preds = %bb60, %bb47 unreachable bb71: ; preds = %entry ret void } declare x86_fp80 @copysignl(x86_fp80, x86_fp80) nounwind readnone