v8/test/mjsunit/compiler/try-osr.js
mstarzinger 74c730a08d [turbofan] Add mjsunit tests for try-catch-finally and OSR.
This adds some basic tests of the interaction between try-catch and
try-finally statements and OSR in TurboFan. The try-osr test suite
follows the structure of try-deopt closely.

R=titzer@chromium.org
TEST=mjsunit/compiler/try-osr

Review URL: https://codereview.chromium.org/1165103003

Cr-Commit-Position: refs/heads/master@{#28855}
2015-06-09 08:16:41 +00:00

52 lines
1.1 KiB
JavaScript

// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --turbo-osr
function OSRInsideTry(x) {
try {
for (var i = 0; i < 10; i++) { if (i == 5) %OptimizeOsr(); }
throw x;
} catch (e) {
return e + 1;
}
return x + 2;
}
assertEquals(24, OSRInsideTry(23));
function OSRInsideCatch(x) {
try {
throw x;
} catch (e) {
for (var i = 0; i < 10; i++) { if (i == 5) %OptimizeOsr(); }
return e + 1;
}
return x + 2;
}
assertEquals(24, OSRInsideCatch(23));
function OSRInsideFinally_Return(x) {
try {
throw x;
} finally {
for (var i = 0; i < 10; i++) { if (i == 5) %OptimizeOsr(); }
return x + 1;
}
return x + 2;
}
assertEquals(24, OSRInsideFinally_Return(23));
function OSRInsideFinally_ReThrow(x) {
try {
throw x;
} finally {
for (var i = 0; i < 10; i++) { if (i == 5) %OptimizeOsr(); }
}
return x + 2;
}
assertThrows("OSRInsideFinally_ReThrow(new Error)", Error);