cmd/compile/internal/ir: tweak a couple names

CallExpr.X -> CallExpr.Fun

This consistent with go/ast and cmd/compile/internal/syntax.

OPRINTN -> OPRINTLN

This op represents the "println" builtin; might as well spell it the
same way.

Change-Id: Iead1b007776658c717879cf0997b3c48028428f4
Reviewed-on: https://go-review.googlesource.com/c/go/+/532795
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>

2 files changed, 8 insertions, 8 deletions

diff --git a/src/cmd/compile/internal/devirtualize/devirtualize.go b/src/cmd/compile/internal/devirtualize/devirtualize.go
index 5e91104eeb..7b3a869d8e 100644
--- a/src/cmd/compile/internal/devirtualize/devirtualize.go
+++ b/src/cmd/compile/internal/devirtualize/devirtualize.go
@@ -51,7 +51,7 @@ func staticCall(call *ir.CallExpr) {
 	if call.Op() != ir.OCALLINTER {
 		return
 	}
-	sel := call.X.(*ir.SelectorExpr)
+	sel := call.Fun.(*ir.SelectorExpr)
 	r := ir.StaticValue(sel.X)
 	if r.Op() != ir.OCONVIFACE {
 		return
@@ -120,14 +120,14 @@ func staticCall(call *ir.CallExpr) {
 			base.WarnfAt(call.Pos(), "devirtualizing %v to %v", sel, typ)
 		}
 		call.SetOp(ir.OCALLMETH)
-		call.X = x
+		call.Fun = x
 	case ir.ODOTINTER:
 		// Promoted method from embedded interface-typed field (#42279).
 		if base.Flag.LowerM != 0 {
 			base.WarnfAt(call.Pos(), "partially devirtualizing %v to %v", sel, typ)
 		}
 		call.SetOp(ir.OCALLINTER)
-		call.X = x
+		call.Fun = x
 	default:
 		base.FatalfAt(call.Pos(), "failed to devirtualize %v (%v)", x, x.Op())
 	}
diff --git a/src/cmd/compile/internal/devirtualize/pgo.go b/src/cmd/compile/internal/devirtualize/pgo.go
index a04ff16d60..24d1634215 100644
--- a/src/cmd/compile/internal/devirtualize/pgo.go
+++ b/src/cmd/compile/internal/devirtualize/pgo.go
@@ -260,7 +260,7 @@ func constructCallStat(p *pgo.Profile, fn *ir.Func, name string, call *ir.CallEx
 	case ir.OCALLFUNC:
 		stat.Interface = false
 
-		callee := pgo.DirectCallee(call.X)
+		callee := pgo.DirectCallee(call.Fun)
 		if callee != nil {
 			stat.Direct = true
 			if stat.Hottest == "" {
@@ -283,7 +283,7 @@ func constructCallStat(p *pgo.Profile, fn *ir.Func, name string, call *ir.CallEx
 // concretetyp.
 func rewriteCondCall(call *ir.CallExpr, curfn, callee *ir.Func, concretetyp *types.Type) ir.Node {
 	if base.Flag.LowerM != 0 {
-		fmt.Printf("%v: PGO devirtualizing %v to %v\n", ir.Line(call), call.X, callee)
+		fmt.Printf("%v: PGO devirtualizing %v to %v\n", ir.Line(call), call.Fun, callee)
 	}
 
 	// We generate an OINCALL of:
@@ -316,13 +316,13 @@ func rewriteCondCall(call *ir.CallExpr, curfn, callee *ir.Func, concretetyp *typ
 
 	var retvars []ir.Node
 
-	sig := call.X.Type()
+	sig := call.Fun.Type()
 
 	for _, ret := range sig.Results() {
 		retvars = append(retvars, typecheck.TempAt(base.Pos, curfn, ret.Type))
 	}
 
-	sel := call.X.(*ir.SelectorExpr)
+	sel := call.Fun.(*ir.SelectorExpr)
 	method := sel.Sel
 	pos := call.Pos()
 	init := ir.TakeInit(call)
@@ -421,7 +421,7 @@ func interfaceCallRecvTypeAndMethod(call *ir.CallExpr) (*types.Type, *types.Sym)
 		base.Fatalf("Call isn't OCALLINTER: %+v", call)
 	}
 
-	sel, ok := call.X.(*ir.SelectorExpr)
+	sel, ok := call.Fun.(*ir.SelectorExpr)
 	if !ok {
 		base.Fatalf("OCALLINTER doesn't contain SelectorExpr: %+v", call)
 	}