| // Copyright 2018 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 |
| |
| (function() { |
| const p = Promise.resolve(1); |
| function foo(p) { return p.then(); } |
| %PrepareFunctionForOptimization(foo); |
| foo(p); |
| foo(p); |
| %OptimizeFunctionOnNextCall(foo); |
| foo(p); |
| })(); |
| |
| (function() { |
| const p = Promise.resolve(1); |
| function foo(p) { return p.then(x => x); } |
| %PrepareFunctionForOptimization(foo); |
| foo(p); |
| foo(p); |
| %OptimizeFunctionOnNextCall(foo); |
| foo(p); |
| })(); |
| |
| (function() { |
| const p = Promise.resolve(1); |
| function foo(p) { return p.then(x => x, y => y); } |
| %PrepareFunctionForOptimization(foo); |
| foo(p); |
| foo(p); |
| %OptimizeFunctionOnNextCall(foo); |
| foo(p); |
| })(); |
| |
| (function() { |
| const p = Promise.resolve(1); |
| function foo(p, f) { return p.then(f, f); } |
| %PrepareFunctionForOptimization(foo); |
| foo(p, x => x); |
| foo(p, x => x); |
| %OptimizeFunctionOnNextCall(foo); |
| foo(p, x => x); |
| })(); |
| |
| (function() { |
| const p = Promise.resolve(1); |
| function foo(p, f) { return p.then(f, f).then(f, f); } |
| %PrepareFunctionForOptimization(foo); |
| foo(p, x => x); |
| foo(p, x => x); |
| %OptimizeFunctionOnNextCall(foo); |
| foo(p, x => x); |
| })(); |