v8/test/mjsunit/regress/wasm/regress-10702.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

41 lines
1.5 KiB
JavaScript

// Copyright 2020 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.
d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
const builder = new WasmModuleBuilder();
builder.addGlobal(kWasmI32, true, wasmI32Const(35));
builder.addType(makeSig([], [kWasmI32]));
builder.addType(makeSig([kWasmI32, kWasmI32], [kWasmI32]));
// Generate function 1 (out of 3).
builder.addFunction(undefined, 0 /* sig */).addBody([
// signature: i_v
// body:
kExprI32Const, 1, // i32.const
]);
// Generate function 2 (out of 3).
builder.addFunction(undefined, 0 /* sig */).addBody([
// signature: i_v
// body:
kExprI32Const, 0, // i32.const
]);
// Generate function 3 (out of 3).
builder.addFunction(undefined, 1 /* sig */).addBody([
// signature: i_ii
// body:
kExprBlock, kWasmI32, // block @1 i32
kExprF64Const, 0, 0, 0, 0, 0, 0, 0, 0, // f64.const
kExprI32SConvertF64, // i32.trunc_f64_s
kExprCallFunction, 1, // call function #1: i_v
kExprBrIf, 0, // br_if depth=0
kExprGlobalGet, 0, // global.get
kExprCallFunction, 0, // call function #0: i_v
kExprBrIf, 0, // br_if depth=0
kExprI32ShrS, // i32.shr_s
kExprEnd, // end @24
]);
builder.addExport('f', 2);
const instance = builder.instantiate();
assertEquals(35, instance.exports.f(0, 0));