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9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
94 lines
2.8 KiB
JavaScript
94 lines
2.8 KiB
JavaScript
// Copyright 2024 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-deopt --allow-natives-syntax --turboshaft-wasm
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// Flags: --experimental-wasm-inlining --liftoff
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// Flags: --turboshaft-wasm-instruction-selection-staged
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// Flags: --wasm-inlining-ignore-call-counts --no-jit-fuzzing
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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(function TestDeoptInlinedStacktrace() {
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var builder = new WasmModuleBuilder();
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let funcRefT = builder.addType(kSig_i_ii);
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builder.addFunction("add", funcRefT)
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.addBody([kExprLocalGet, 0, kExprLocalGet, 1, kExprI32Add])
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.exportFunc();
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builder.addFunction("div", funcRefT)
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.addBody([kExprLocalGet, 0, kExprLocalGet, 1, kExprI32DivS])
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.exportFunc();
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let mainSig =
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makeSig([kWasmI32, kWasmI32, wasmRefType(funcRefT)], [kWasmI32]);
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let inlinee = builder.addFunction("inlinee", mainSig)
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.addBody([
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kExprLocalGet, 0,
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kExprLocalGet, 1,
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kExprLocalGet, 2,
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kExprCallRef, funcRefT,
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]).exportFunc();
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builder.addFunction("main", mainSig)
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.addBody([
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kExprLocalGet, 0,
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kExprLocalGet, 1,
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kExprLocalGet, 2,
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kExprCallFunction, inlinee.index,
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]).exportFunc();
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let wasm = builder.instantiate().exports;
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// Collect feedback.
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assertEquals(42, wasm.main(12, 30, wasm.add));
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// Trigger tierup.
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%WasmTierUpFunction(wasm.main);
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assertEquals(42, wasm.main(12, 30, wasm.add));
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if (%IsolateCountForTesting() == 1) {
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assertTrue(%IsTurboFanFunction(wasm.main));
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}
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// Trigger deopt which then calls a target that throws, i.e. the stack trace
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// contains frames created by the deoptimizer.
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try {
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wasm.main(10, 0, wasm.div);
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assertUnreachable();
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} catch (error) {
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verifyException(error);
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}
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if (%IsolateCountForTesting() == 1) {
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assertFalse(%IsTurboFanFunction(wasm.main));
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}
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// Rerun unoptimized which should produce the same result.
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try {
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wasm.main(10, 0, wasm.div);
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assertUnreachable();
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} catch (error) {
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verifyException(error);
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}
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%WasmTierUpFunction(wasm.main);
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// Rerun optimized which should also produce the same result and not deopt.
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try {
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wasm.main(10, 0, wasm.div);
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assertUnreachable();
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} catch (error) {
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verifyException(error);
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}
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if (%IsolateCountForTesting() == 1) {
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assertTrue(%IsTurboFanFunction(wasm.main));
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}
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function verifyException(error) {
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assertMatches(/RuntimeError: divide by zero/, error + "");
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let stack = error.stack.split("\n");
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let expected = [
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/RuntimeError: divide by zero/,
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/at div .*wasm-function\[1\]:0x59/,
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/at inlinee .*wasm-function\[2\]:0x63/,
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/at main .*wasm-function\[3\]:0x6e/,
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];
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for (let i = 0; i < expected.length; ++i) {
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assertMatches(expected[i], stack[i]);
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}
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}
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})();
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