1declare float @llvm.sqrt.f32(float)
2declare double @llvm.sqrt.f64(double)
3
4define float @_Z6mySqrtf(float %a) {
5  %x = call float @llvm.sqrt.f32(float %a)
6  ret float %x
7}
8
9define double @_Z6mySqrtd(double %a) {
10  %x = call double @llvm.sqrt.f64(double %a)
11  ret double %x
12}
13