fschneider@google.com
b5465cf7ef
Make sure that BranchInstr::Canonicalize does not mutate it's input before all conditions for the optimzations to take place are met. Otherwise, bailing out leaves the affected comparison instruction in an invalid state. BUG=https://code.google.com/p/dart/issues/detail?id=14109 R=srdjan@google.com Review URL: https://codereview.chromium.org//26451006 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@28646 260f80e4-7a28-3924-810f-c04153c831b5
26 lines
747 B
Dart
26 lines
747 B
Dart
// Copyright (c) 2013, 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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// Test various optimizations and deoptimizations of optimizing compiler..
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// VMOptions=--optimization-counter-threshold=10 --no-constant-propagation
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import "package:expect/expect.dart";
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// Test canonicalization of identical with double input.
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// Constant propagation is disabled so that canonicalization is run
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// one time less than usual.
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test(a) {
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var dbl = a + 1.0;
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if (!identical(dbl, true)) {
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return "ok";
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}
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throw "fail";
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}
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main() {
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for (var i = 0; i < 20; i++) test(0);
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Expect.equals("ok", test(0));
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}
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