v8/test/mjsunit/compiler/osr-for-let.js
titzer d050c331eb [turbofan] Simplify context specialization and fix for OSR.
AstGraphBuilder puts a constant context in from the beginning.
Also fix bug in merging contexts in environment.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/934293002

Cr-Commit-Position: refs/heads/master@{#26745}
2015-02-19 11:36:50 +00:00

83 lines
1.3 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 --use-osr --turbo-osr
"use strict";
function test(expected, func) {
assertEquals(expected, func());
assertEquals(expected, func());
assertEquals(expected, func());
}
function bar() {
var result;
{
let sum = 0;
for (let i = 0; i < 90; i++) {
sum += i;
if (i == 45) %OptimizeOsr();
}
result = sum;
}
return result;
}
test(4005, bar);
function baz() {
let sum = 0;
for (let i = 0; i < 2; i++) {
sum = 2;
%OptimizeOsr();
}
return sum;
}
test(2, baz);
function qux() {
var result = 0;
for (let i = 0; i < 2; i++) {
result = i;
%OptimizeOsr();
}
return result;
}
test(1, qux);
function nux() {
var result = 0;
for (let i = 0; i < 2; i++) {
{
let sum = i;
%OptimizeOsr();
result = sum;
}
}
return result;
}
test(1, nux);
function blo() {
var result;
{
let sum = 0;
for (let i = 0; i < 90; i++) {
sum += i;
if (i == 45) %OptimizeOsr();
}
result = ret;
function ret() {
return sum;
}
}
return result;
}
test(4005, blo());