return ir.InitExpr(init, call)
}

func convas(n *ir.AssignStmt, init *ir.Nodes) *ir.AssignStmt {
	if n.Op() != ir.OAS {
		base.Fatalf("convas: not OAS %v", n.Op())
	}
	n.SetTypecheck(1)

	if n.X == nil || n.Y == nil {
		return n
	}

	lt := n.X.Type()
	rt := n.Y.Type()
	if lt == nil || rt == nil {
		return n
	}

	"cmd/compile/internal/typecheck"
	"cmd/compile/internal/types"
	"cmd/internal/src"
)

// walkAssign walks an OAS (AssignExpr) or OASOP (AssignOpExpr) node.
func walkAssign(init *ir.Nodes, n ir.Node) ir.Node {
	init.Append(ir.TakeInit(n)...)

	var left, right ir.Node
	switch n.Op() {
	case ir.OAS:
		n := n.(*ir.AssignStmt)
		left, right = n.X, n.Y
	case ir.OASOP:
		n := n.(*ir.AssignOpStmt)
		left, right = n.X, n.Y

func (s *Schedule) tryStaticInit(n ir.Node) bool {
	var lhs []ir.Node
	var rhs ir.Node

	switch n.Op() {
	default:
		base.FatalfAt(n.Pos(), "unexpected initialization statement: %v", n)
	case ir.OAS:
		n := n.(*ir.AssignStmt)
		lhs, rhs = []ir.Node{n.X}, n.Y
	case ir.OAS2DOTTYPE, ir.OAS2FUNC, ir.OAS2MAPR, ir.OAS2RECV:
		n := n.(*ir.AssignListStmt)
		if len(n.Lhs) < 2 || len(n.Rhs) != 1 {

	case ir.ORECOVERFP:
		return walkRecoverFP(n.(*ir.CallExpr), init)

	case ir.OCFUNC:
		return n

	case ir.OCALLINTER, ir.OCALLFUNC:
		n := n.(*ir.CallExpr)
		return walkCall(n, init)

	case ir.OAS, ir.OASOP:
		return walkAssign(init, n)

	case ir.OAS2:
		n := n.(*ir.AssignListStmt)
		return walkAssignList(init, n)

	// a,b,... = fn()
	case ir.OAS2FUNC:
		n := n.(*ir.AssignListStmt)

//
//	m = OMAKESLICECOPY([]T, x, s); nil
func orderMakeSliceCopy(s []ir.Node) {
	if base.Flag.N != 0 || base.Flag.Cfg.Instrumenting {
		return
	}
	if len(s) < 2 || s[0] == nil || s[0].Op() != ir.OAS || s[1] == nil || s[1].Op() != ir.OCOPY {
		return
	}

	as := s[0].(*ir.AssignStmt)
	cp := s[1].(*ir.BinaryExpr)
	if as.Y == nil || as.Y.Op() != ir.OMAKESLICE || ir.IsBlank(as.X) ||

		}
		n.SetType(types.Types[types.TUINTPTR])
		return n

	case ir.OCONVNOP:
		n := n.(*ir.ConvExpr)
		n.X = Expr(n.X)
		return n

	// statements
	case ir.OAS:
		n := n.(*ir.AssignStmt)
		tcAssign(n)

		// Code that creates temps does not bother to set defn, so do it here.
		if n.X.Op() == ir.ONAME && ir.IsAutoTmp(n.X) {
			n.X.Name().Defn = n
		}
		return n

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			lab.target = s.f.NewBlock(ssa.BlockPlain)
		}

		b := s.endBlock()
		b.Pos = s.lastPos.WithIsStmt() // Do this even if b is an empty block.
		b.AddEdgeTo(lab.target)

	case ir.OAS:
		n := n.(*ir.AssignStmt)
		if n.X == n.Y && n.X.Op() == ir.ONAME {
			// An x=x assignment. No point in doing anything
			// here. In addition, skipping this assignment
			// prevents generating: