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[dev.typeparams] cmd/compile: remove ir.CallUse
Unneeded after the previous CL changed inlining to leave OINLCALL nodes in place. Change-Id: I9af09a86a21caa51a1117b3de17d7312dd702600 Reviewed-on: https://go-review.googlesource.com/c/go/+/332650 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com> Trust: Matthew Dempsky <mdempsky@google.com>
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@ -142,17 +142,6 @@ func (n *BinaryExpr) SetOp(op Op) {
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}
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}
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// A CallUse records how the result of the call is used:
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type CallUse byte
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const (
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_ CallUse = iota
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CallUseExpr // single expression result is used
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CallUseList // list of results are used
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CallUseStmt // results not used - call is a statement
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)
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// A CallExpr is a function call X(Args).
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type CallExpr struct {
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miniExpr
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@ -161,7 +150,6 @@ type CallExpr struct {
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Args Nodes
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KeepAlive []*Name // vars to be kept alive until call returns
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IsDDD bool
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Use CallUse
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NoInline bool
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}
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@ -113,9 +113,6 @@ func Binary(pos src.XPos, op ir.Op, typ *types.Type, x, y ir.Node) ir.Node {
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func Call(pos src.XPos, typ *types.Type, fun ir.Node, args []ir.Node, dots bool) ir.Node {
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n := ir.NewCallExpr(pos, ir.OCALL, fun, args)
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n.IsDDD = dots
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// n.Use will be changed to ir.CallUseStmt in g.stmt() if this call is
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// just a statement (any return values are ignored).
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n.Use = ir.CallUseExpr
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if fun.Op() == ir.OTYPE {
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// Actually a type conversion, not a function call.
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@ -35,11 +35,7 @@ func (g *irgen) stmt(stmt syntax.Stmt) ir.Node {
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case *syntax.BlockStmt:
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return ir.NewBlockStmt(g.pos(stmt), g.blockStmt(stmt))
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case *syntax.ExprStmt:
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x := g.expr(stmt.X)
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if call, ok := x.(*ir.CallExpr); ok {
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call.Use = ir.CallUseStmt
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}
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return x
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return g.expr(stmt.X)
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case *syntax.SendStmt:
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n := ir.NewSendStmt(g.pos(stmt), g.expr(stmt.Chan), g.expr(stmt.Value))
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if n.Chan.Type().HasTParam() || n.Value.Type().HasTParam() {
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@ -326,7 +326,6 @@ assignOK:
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stmt := stmt.(*ir.AssignListStmt)
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stmt.SetOp(ir.OAS2FUNC)
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r := rhs[0].(*ir.CallExpr)
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r.Use = ir.CallUseList
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rtyp := r.Type()
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mismatched := false
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@ -317,10 +317,6 @@ func tcFunc(n *ir.Func) {
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// tcCall typechecks an OCALL node.
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func tcCall(n *ir.CallExpr, top int) ir.Node {
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n.Use = ir.CallUseExpr
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if top == ctxStmt {
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n.Use = ir.CallUseStmt
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}
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Stmts(n.Init()) // imported rewritten f(g()) calls (#30907)
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n.X = typecheck(n.X, ctxExpr|ctxType|ctxCallee)
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if n.X.Diag() {
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@ -1922,7 +1922,6 @@ func (w *exportWriter) expr(n ir.Node) {
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w.bool(n.IsDDD)
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if go117ExportTypes {
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w.exoticType(n.Type())
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w.uint64(uint64(n.Use))
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}
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case ir.OMAKEMAP, ir.OMAKECHAN, ir.OMAKESLICE:
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@ -1465,7 +1465,6 @@ func (r *importReader) node() ir.Node {
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n.IsDDD = r.bool()
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if go117ExportTypes {
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n.SetType(r.exoticType())
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n.Use = ir.CallUse(r.uint64())
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}
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return n
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@ -201,7 +201,6 @@ assignOK:
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stmt := stmt.(*ir.AssignListStmt)
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stmt.SetOp(ir.OAS2FUNC)
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r := rhs[0].(*ir.CallExpr)
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r.Use = ir.CallUseList
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rtyp := r.Type()
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mismatched := false
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