e43a5f0ee2
Bug: v8:7748 Change-Id: Ib8fadc272178fb0d49f7d5fab7d1953e2328a1ad Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3770107 Auto-Submit: Matthias Liedtke <mliedtke@google.com> Commit-Queue: Matthias Liedtke <mliedtke@google.com> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/main@{#81787}
423 lines
14 KiB
JavaScript
423 lines
14 KiB
JavaScript
// Copyright 2021 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: --wasm-inlining --no-liftoff --experimental-wasm-return-call
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// Flags: --experimental-wasm-gc
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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// TODO(12166): Consider running tests with --trace-wasm and inspecting their
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// output, or implementing testing infrastructure with --allow-natives-syntax.
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(function SimpleInliningTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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// f(x) = x - 1
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let callee = builder.addFunction("callee", kSig_i_i)
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.addBody([kExprLocalGet, 0, kExprI32Const, 1, kExprI32Sub]);
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// g(x) = f(5) + x
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builder.addFunction("main", kSig_i_i)
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.addBody([kExprI32Const, 5, kExprCallFunction, callee.index,
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kExprLocalGet, 0, kExprI32Add])
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.exportAs("main");
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let instance = builder.instantiate();
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assertEquals(14, instance.exports.main(10));
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})();
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(function MultiReturnTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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// f(x) = (x - 1, x + 1)
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let callee = builder.addFunction("callee", kSig_ii_i)
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.addBody([kExprLocalGet, 0, kExprI32Const, 1, kExprI32Sub,
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kExprLocalGet, 0, kExprI32Const, 1, kExprI32Add]);
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// g(x) = { let (a, b) = f(x); a * b}
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builder.addFunction("main", kSig_i_i)
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.addBody([kExprLocalGet, 0, kExprCallFunction, callee.index, kExprI32Mul])
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.exportAs("main");
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let instance = builder.instantiate();
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assertEquals(9 * 11, instance.exports.main(10));
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})();
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(function NoReturnTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let global = builder.addGlobal(kWasmI32, true);
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let callee = builder.addFunction("callee", kSig_v_i)
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.addBody([kExprLocalGet, 0, kExprGlobalSet, global.index]);
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builder.addFunction("main", kSig_i_i)
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.addBody([kExprLocalGet, 0, kExprCallFunction, callee.index,
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kExprGlobalGet, global.index])
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.exportAs("main");
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let instance = builder.instantiate();
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assertEquals(10, instance.exports.main(10));
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})();
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(function LoopInLoopTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let fact = builder.addFunction("fact", kSig_i_i)
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.addLocals(kWasmI32, 1)
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.addBody([// result = 1;
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kExprI32Const, 1, kExprLocalSet, 1,
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kExprLoop, kWasmVoid,
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kExprLocalGet, 1,
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// if input == 1 return result;
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kExprLocalGet, 0, kExprI32Const, 1, kExprI32Eq, kExprBrIf, 1,
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// result *= input;
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kExprLocalGet, 0, kExprI32Mul, kExprLocalSet, 1,
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// input -= 1;
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kExprLocalGet, 0, kExprI32Const, 1, kExprI32Sub,
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kExprLocalSet, 0,
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kExprBr, 0,
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kExprEnd,
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kExprUnreachable]);
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builder.addFunction("main", kSig_i_i)
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.addLocals(kWasmI32, 1)
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.addBody([
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kExprLoop, kWasmVoid,
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kExprLocalGet, 1,
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// if input == 0 return sum;
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kExprLocalGet, 0, kExprI32Const, 0, kExprI32Eq, kExprBrIf, 1,
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// sum += fact(input);
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kExprLocalGet, 0, kExprCallFunction, fact.index,
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kExprI32Add, kExprLocalSet, 1,
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// input -= 1;
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kExprLocalGet, 0, kExprI32Const, 1, kExprI32Sub,
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kExprLocalSet, 0,
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kExprBr, 0,
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kExprEnd,
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kExprUnreachable])
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.exportAs("main");
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let instance = builder.instantiate();
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assertEquals(33, instance.exports.main(4));
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})();
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(function InfiniteLoopTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let callee = builder.addFunction("callee", kSig_i_i)
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.addBody([kExprLoop, kWasmVoid,
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kExprLocalGet, 0, kExprI32Const, 1, kExprI32Add,
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kExprLocalSet, 0, kExprBr, 0,
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kExprEnd,
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kExprLocalGet, 0]);
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builder.addFunction("main", kSig_i_i)
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.addBody([kExprI32Const, 5, kExprCallFunction, callee.index,
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kExprLocalGet, 0, kExprI32Add])
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.exportAs("main");
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builder.instantiate();
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})();
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(function TailCallInCalleeTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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// f(x) = g(x - 1)
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let callee = builder.addFunction("callee", kSig_i_i)
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.addBody([kExprLocalGet, 0, kExprI32Const, 1, kExprI32Sub,
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kExprReturnCall, 1]);
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// g(x) = x * 2
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builder.addFunction("inner_callee", kSig_i_i)
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.addBody([kExprLocalGet, 0, kExprI32Const, 2, kExprI32Mul]);
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// h(x) = f(x) + 5
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builder.addFunction("main", kSig_i_i)
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.addBody([kExprLocalGet, 0, kExprCallFunction, callee.index,
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kExprI32Const, 5, kExprI32Add])
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.exportAs("main");
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let instance = builder.instantiate();
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assertEquals(23, instance.exports.main(10));
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})();
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(function MultipleCallAndReturnSitesTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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// f(x) = x >= 0 ? x - 1 : x + 1
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let callee = builder.addFunction("callee", kSig_i_i)
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.addBody([kExprLocalGet, 0, kExprI32Const, 0, kExprI32GeS,
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kExprIf, kWasmI32,
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kExprLocalGet, 0, kExprI32Const, 1, kExprI32Sub,
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kExprElse,
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kExprLocalGet, 0, kExprI32Const, 1, kExprI32Add,
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kExprEnd]);
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// g(x) = f(x) * f(-x)
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builder.addFunction("main", kSig_i_i)
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.addBody([kExprLocalGet, 0, kExprCallFunction, callee.index,
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kExprI32Const, 0, kExprLocalGet, 0, kExprI32Sub,
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kExprCallFunction, callee.index,
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kExprI32Mul])
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.exportAs("main");
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let instance = builder.instantiate();
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assertEquals(-81, instance.exports.main(10));
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})();
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(function TailCallInCallerTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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// f(x) = x > 0 ? g(x) + 1: g(x - 1);
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let callee = builder.addFunction("callee", kSig_i_i)
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.addBody([kExprLocalGet, 0, kExprI32Const, 0, kExprI32GeS,
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kExprIf, kWasmI32,
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kExprLocalGet, 0, kExprCallFunction, 1, kExprI32Const, 1,
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kExprI32Add,
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kExprElse,
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kExprLocalGet, 0, kExprI32Const, 1, kExprI32Sub,
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kExprReturnCall, 1,
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kExprEnd]);
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// g(x) = x * 2
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builder.addFunction("inner_callee", kSig_i_i)
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.addBody([kExprLocalGet, 0, kExprI32Const, 2, kExprI32Mul]);
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// h(x) = f(x + 5)
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builder.addFunction("main", kSig_i_i)
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.addBody([kExprLocalGet, 0, kExprI32Const, 5, kExprI32Add,
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kExprReturnCall, callee.index])
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.exportAs("main");
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let instance = builder.instantiate();
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assertEquals(31, instance.exports.main(10));
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assertEquals(-12, instance.exports.main(-10));
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})();
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(function HandledInHandledTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let tag = builder.addTag(kSig_v_i);
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let callee = builder.addFunction("callee", kSig_i_i)
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.addBody([kExprTry, kWasmI32,
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kExprI32Const, 42,
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kExprThrow, tag,
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kExprCatchAll,
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kExprLocalGet, 0,
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kExprEnd]);
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builder.addFunction("main", kSig_i_ii)
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.addBody([kExprTry, kWasmI32,
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kExprLocalGet, 0,
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kExprCallFunction, callee.index,
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kExprCatchAll,
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kExprLocalGet, 1,
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kExprEnd])
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.exportAs("main");
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let instance = builder.instantiate();
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assertEquals(10, instance.exports.main(10, 20));
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})();
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(function HandledInUnhandledTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let tag = builder.addTag(kSig_v_i);
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let callee = builder.addFunction("callee", kSig_i_i)
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.addBody([kExprTry, kWasmI32,
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kExprI32Const, 42,
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kExprThrow, tag,
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kExprCatchAll,
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kExprLocalGet, 0,
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kExprEnd]);
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builder.addFunction("main", kSig_i_ii)
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.addBody([kExprLocalGet, 0,
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kExprCallFunction, callee.index,])
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.exportAs("main");
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let instance = builder.instantiate();
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assertEquals(10, instance.exports.main(10, 20));
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})();
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(function UnhandledInUnhandledTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let tag = builder.addTag(kSig_v_i);
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let callee = builder.addFunction("callee", kSig_i_i)
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.addBody([kExprI32Const, 42, kExprThrow, tag]);
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builder.addFunction("main", kSig_i_ii)
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.addBody([kExprLocalGet, 0,
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kExprCallFunction, callee.index])
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.exportAs("main");
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let instance = builder.instantiate();
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assertThrows(() => instance.exports.main(10, 20), WebAssembly.Exception);
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})();
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// This is the most interesting of the exception tests, as it requires rewiring
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// the unhandled calls in the callee (including the 'throw' builtin) to the
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// handler in the caller.
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(function UnhandledInHandledTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let tag = builder.addTag(kSig_v_i);
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let callee = builder.addFunction("callee", kSig_i_i)
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.addBody([
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kExprLocalGet, 0,
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kExprIf, kWasmI32,
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kExprLocalGet, 0, kExprThrow, tag,
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kExprElse,
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kExprCallFunction, 1,
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kExprEnd]);
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builder.addFunction("unreachable", kSig_i_v)
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.addBody([kExprUnreachable]);
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builder.addFunction("main", kSig_i_ii)
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.addBody([kExprTry, kWasmI32,
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kExprLocalGet, 0,
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kExprCallFunction, callee.index,
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kExprCatchAll,
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kExprLocalGet, 1,
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kExprEnd])
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.exportAs("main");
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let instance = builder.instantiate();
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assertEquals(20, instance.exports.main(10, 20));
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})();
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(function LoopUnrollingTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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// f(x, y) = { do { y += 1; x -= 1; } while (x > 0); return y; }
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let callee = builder.addFunction("callee", kSig_i_ii)
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.addBody([
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kExprLoop, kWasmVoid,
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kExprLocalGet, 1, kExprI32Const, 1, kExprI32Add, kExprLocalSet, 1,
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kExprLocalGet, 0, kExprI32Const, 1, kExprI32Sub, kExprLocalSet, 0,
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kExprLocalGet, 0, kExprI32Const, 0, kExprI32GtS, kExprBrIf, 0,
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kExprEnd,
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kExprLocalGet, 1
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]);
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// g(x) = f(5, x) + x
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builder.addFunction("main", kSig_i_i)
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.addBody([kExprI32Const, 5, kExprLocalGet, 0,
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kExprCallFunction, callee.index,
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kExprLocalGet, 0, kExprI32Add])
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.exportAs("main");
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let instance = builder.instantiate();
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assertEquals(25, instance.exports.main(10));
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})();
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(function ThrowInLoopTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let tag = builder.addTag(kSig_v_i);
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// f(x, y) {
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// do {
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// if (x < 0) throw x;
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// y++; x--;
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// } while (x > 0);
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// return y;
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// }
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let callee = builder.addFunction("callee", kSig_i_ii)
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.addBody([
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kExprLoop, kWasmVoid,
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kExprLocalGet, 0, kExprI32Const, 0, kExprI32LtS,
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kExprIf, kWasmVoid,
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kExprLocalGet, 0, kExprThrow, tag,
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kExprEnd,
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kExprLocalGet, 1, kExprI32Const, 1, kExprI32Add, kExprLocalSet, 1,
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kExprLocalGet, 0, kExprI32Const, 1, kExprI32Sub, kExprLocalSet, 0,
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kExprLocalGet, 0, kExprI32Const, 0, kExprI32GtS, kExprBrIf, 0,
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kExprEnd,
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kExprLocalGet, 1
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]);
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// g(x) = (try { f(x, 5) } catch(x) { x }) + x
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builder.addFunction("main", kSig_i_i)
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.addBody([kExprTry, kWasmI32,
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kExprLocalGet, 0, kExprI32Const, 5,
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kExprCallFunction, callee.index,
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kExprCatch, tag,
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kExprEnd,
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kExprLocalGet, 0, kExprI32Add])
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.exportAs("main");
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let instance = builder.instantiate();
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assertEquals(25, instance.exports.main(10));
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assertEquals(-20, instance.exports.main(-10));
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})();
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(function InlineSubtypeSignatureTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let struct = builder.addStruct([makeField(kWasmI32, true)]);
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let callee = builder
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.addFunction("callee", makeSig([wasmRefNullType(struct)], [kWasmI32]))
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.addBody([kExprLocalGet, 0, kGCPrefix, kExprStructGet, struct, 0]);
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// When inlining "callee", TF should pass the real parameter type (ref 0) and
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// thus eliminate the null check for struct.get.
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builder.addFunction("main", makeSig([wasmRefType(struct)], [kWasmI32]))
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.addBody([kExprLocalGet, 0, kExprCallFunction, callee.index])
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.exportFunc();
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builder.instantiate({});
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})();
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(function InliningAndEscapeAnalysisTest() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let struct = builder.addStruct([makeField(kWasmI32, true)]);
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let callee = builder
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.addFunction("callee", makeSig([wasmRefNullType(struct)], [kWasmI32]))
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.addBody([kExprLocalGet, 0, kGCPrefix, kExprStructGet, struct, 0]);
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// The allocation should be removed.
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builder.addFunction("main", kSig_i_i)
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.addBody([
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kExprLocalGet, 0, kExprI32Const, 1, kExprI32Add,
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kGCPrefix, kExprStructNew, struct,
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kExprCallFunction, callee.index])
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.exportFunc();
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let instance = builder.instantiate({});
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assertEquals(11, instance.exports.main(10));
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})();
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(function Int64Lowering() {
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print(arguments.callee.name);
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let kSig_l_li = makeSig([kWasmI64, kWasmI32], [kWasmI64]);
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let builder = new WasmModuleBuilder();
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let callee = builder.addFunction("callee", kSig_l_li)
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.addBody([
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kExprLocalGet, 0, kExprLocalGet, 1, kExprI64SConvertI32, kExprI64Add]);
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builder.addFunction("main", kSig_l_li)
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.addBody([
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kExprLocalGet, 0, kExprLocalGet, 1, kExprCallFunction, callee.index])
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.exportFunc();
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let instance = builder.instantiate({});
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assertEquals(BigInt(21), instance.exports.main(BigInt(10), 11));
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})();
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