v8/test/mjsunit/wasm/extended-constants.js
Manos Koukoutos 7c74a9caea [wasm][test] Represent constant expressions with bytes
Maintaining an AST class just for testing constant exressions does not
seem justified. This CL changes constant expressions in mjsunit tests
to be represented with bytes, like regular expressions.

Change-Id: If5ec5f4d863176952442b1a7e2fec8a61e385971
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3714237
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81266}
2022-06-21 09:03:18 +00:00

67 lines
2.4 KiB
JavaScript

// Copyright 2022 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: --experimental-wasm-extended-const
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
(function ExtendedConstantsTestI32() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let imported_global_0 = builder.addImportedGlobal("m", "g0", kWasmI32, false);
let imported_global_1 = builder.addImportedGlobal("m", "g1", kWasmI32, false);
let defined_global = builder.addGlobal(
kWasmI32, false,
[kExprGlobalGet, imported_global_0, kExprGlobalGet, imported_global_1,
kExprGlobalGet, imported_global_0, ...wasmI32Const(1),
kExprI32Sub, kExprI32Mul, kExprI32Add]);
builder.addExportOfKind("global", kExternalGlobal, defined_global.index);
let value0 = 123;
let value1 = -450;
let global_obj0 = new WebAssembly.Global({value: "i32", mutable: false},
value0);
let global_obj1 = new WebAssembly.Global({value: "i32", mutable: false},
value1);
let instance = builder.instantiate({m : {g0: global_obj0, g1: global_obj1}});
assertEquals(value0 + (value1 * (value0 - 1)), instance.exports.global.value);
})();
(function ExtendedConstantsTestI64() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let imported_global_0 = builder.addImportedGlobal("m", "g0", kWasmI64, false);
let imported_global_1 = builder.addImportedGlobal("m", "g1", kWasmI64, false);
let defined_global = builder.addGlobal(
kWasmI64, false,
[kExprGlobalGet, imported_global_0, kExprI64Const, 1, kExprI64Sub,
kExprGlobalGet, imported_global_1, kExprI64Mul,
kExprGlobalGet, imported_global_0, kExprI64Add]);
builder.addExportOfKind("global", kExternalGlobal, defined_global.index);
let value0 = 123n;
let value1 = -450n;
let global_obj0 = new WebAssembly.Global({value: "i64", mutable: false},
value0);
let global_obj1 = new WebAssembly.Global({value: "i64", mutable: false},
value1);
let instance = builder.instantiate({m : {g0: global_obj0, g1: global_obj1}});
assertEquals(value0 + (value1 * (value0 - 1n)),
instance.exports.global.value);
})();