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https://github.com/dart-lang/sdk
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6dd0c99091
Rewrite x = x + E ==> x += E. Rewrite x += 1 ==> ++x Currently, this never clicks for variables because are still in pseudo-SSA form, but it clicks for fields and index assignemnts. BUG= R=kmillikin@google.com Review URL: https://codereview.chromium.org//295933006 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@36681 260f80e4-7a28-3924-810f-c04153c831b5
120 lines
2.7 KiB
Dart
120 lines
2.7 KiB
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import "package:expect/expect.dart";
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var global = 0;
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class Foo {
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var field = 0;
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static var staticField = 0;
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}
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field_compound1(obj) {
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return obj.field = obj.field + 5;
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}
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field_compound2(obj) {
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return obj.field = obj.field + 1;
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}
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field_compound3(obj) {
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return obj.field = obj.field - 1;
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}
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field_compound4(obj) {
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return obj.field = obj.field * 1;
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}
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static_compound1() {
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return Foo.staticField = Foo.staticField + 5;
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}
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static_compound2() {
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return Foo.staticField = Foo.staticField + 1;
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}
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static_compound3() {
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return Foo.staticField = Foo.staticField - 1;
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}
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static_compound4() {
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return Foo.staticField = Foo.staticField * 1;
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}
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global_compound1() {
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return global = global + 5;
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}
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global_compound2() {
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return global = global + 1;
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}
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global_compound3() {
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return global = global - 1;
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}
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global_compound4() {
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return global = global * 1;
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}
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local_compound1(x) {
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x = x + 5;
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if (x > 0) {
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return x;
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}
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return -x;
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}
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local_compound2(x) {
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x = x + 1;
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if (x > 0) {
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return x;
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}
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return -x;
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}
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local_compound3(x) {
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x = x - 1;
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if (x > 0) {
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return x;
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}
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return -x;
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}
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local_compound4(x) {
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x = x * 1;
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if (x > 0) {
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return x;
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}
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return -x;
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}
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main() {
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var obj = new Foo();
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Expect.equals(5, field_compound1(obj));
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Expect.equals(5, obj.field);
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Expect.equals(6, field_compound2(obj));
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Expect.equals(6, obj.field);
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Expect.equals(5, field_compound3(obj));
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Expect.equals(5, obj.field);
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Expect.equals(5, field_compound4(obj));
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Expect.equals(5, obj.field);
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Expect.equals(5, static_compound1());
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Expect.equals(5, Foo.staticField);
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Expect.equals(6, static_compound2());
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Expect.equals(6, Foo.staticField);
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Expect.equals(5, static_compound3());
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Expect.equals(5, Foo.staticField);
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Expect.equals(5, static_compound4());
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Expect.equals(5, Foo.staticField);
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Expect.equals(5, global_compound1());
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Expect.equals(5, global);
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Expect.equals(6, global_compound2());
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Expect.equals(6, global);
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Expect.equals(5, global_compound3());
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Expect.equals(5, global);
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Expect.equals(5, global_compound4());
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Expect.equals(5, global);
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Expect.equals(8, local_compound1(3));
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Expect.equals(3, local_compound1(-8));
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Expect.equals(4, local_compound2(3));
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Expect.equals(7, local_compound2(-8));
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Expect.equals(2, local_compound3(3));
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Expect.equals(9, local_compound3(-8));
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Expect.equals(3, local_compound4(3));
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Expect.equals(8, local_compound4(-8));
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}
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