v8/test/mjsunit/compiler/catch-block-load.js
Ross McIlroy 2990658ea2 [Tests] Add %OptimizeFunctionForTopTier test function
And use it to remove the set of TurboProp test skips.

BUG=v8:9684,v8:12013

Change-Id: I878e2b9c595449c954735290959d3b38eead5a5b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3043963
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75865}
2021-07-22 16:05:36 +00:00

68 lines
1.1 KiB
JavaScript

// Copyright 2019 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
const obj = { a: 42 };
function boom() {
throw "boom";
}
// Ensure that we optimize the monomorphic case.
(function() {
function bar(x) {
try {
boom();
++i;
} catch(_) {
%TurbofanStaticAssert(x.a == 42);
return x.a;
}
}
function foo() {
return bar(obj);
}
%PrepareFunctionForOptimization(foo);
%PrepareFunctionForOptimization(bar);
foo();
foo();
%OptimizeFunctionForTopTier(foo);
foo();
})();
// And the megamorphic case.
(function() {
function bar(x) {
try {
boom();
++i;
} catch(_) {
%TurbofanStaticAssert(x.a == 42);
return x.a;
}
}
function foo() {
return bar(obj);
}
%PrepareFunctionForOptimization(foo);
%PrepareFunctionForOptimization(bar);
bar({b: 42});
bar({c: 42});
bar({d: 42});
bar({e: 42});
bar({f: 42});
foo();
foo();
%OptimizeFunctionForTopTier(foo);
foo();
})();