forked from LeenkxTeam/Kmake
44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
// Copyright 2022 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --turbofan --no-always-turbofan --turbo-inline-js-wasm-calls
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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let builder = new WasmModuleBuilder();
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builder
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.addFunction("f", kSig_l_v) // () -> i64
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.addBody([
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kExprI64Const, 0,
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kExprI64Const, 1,
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kExprI64Sub, // -1
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])
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.exportFunc();
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let module = builder.instantiate();
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function f(x) {
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let y = module.exports.f();
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try {
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return x + y;
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} catch(_) {
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return y;
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}
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}
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%PrepareFunctionForOptimization(f);
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assertEquals(0n, f(1n));
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assertEquals(1n, f(2n));
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%OptimizeFunctionOnNextCall(f);
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assertEquals(0n, f(1n));
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assertOptimized(f);
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// After optimization, the result of the js wasm call is stored in word64 and
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// passed to StateValues without conversion. Rematerialization will happen
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// in deoptimizer.
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assertEquals(-1n, f(0));
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if (%Is64Bit()) {
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assertUnoptimized(f);
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}
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