return false
	}
	name, ok := n.Fun.(*ir.Name)
	if !ok {
		return false
	}
	return findIntrinsic(name.Sym()) != nil
}

// intrinsicCall converts a call to a recognized intrinsic function into the intrinsic SSA operation.
func (s *state) intrinsicCall(n *ir.CallExpr) *ssa.Value {
	v := findIntrinsic(n.Fun.Sym())(s, n, s.intrinsicArgs(n))
	if ssa.IntrinsicsDebug > 0 {
		x := v
		if x == nil {

func hasReachableReturn(g *cfg.CFG) bool {
	for _, b := range g.Blocks {
		if b.Live && b.Return() != nil {
			return true
		}
	}
	return false
}

// isIntrinsicNoReturn reports whether a function intrinsically never
// returns because it stops execution of the calling thread.
// It is the base case in the recursion.
func isIntrinsicNoReturn(fn *types.Func) bool {