; RUN: llc < %s -march=x86 -mattr=+sse2
define double @t(double %x) nounwind ssp noimplicitfloat {
entry:
br i1 false, label %return, label %bb3
bb3: ; preds = %entry
ret double 0.000000e+00
return: ; preds = %entry
ret double undef
}