6f48b7b369
This is a reland of b0bcedccfd
Changes:
- Consistently use int32_t for max_steps and nondeterminism
- Skip SIMD tests on architectures that don't support it
Original change's description:
> [wasm][liftoff][ia32][x64] Detect SIMD NaNs for fuzzing
>
> R=clemensb@chromium.org
>
> Bug: v8:11856
> Change-Id: I9764e3e2944690ed0883afdab20afd47fdd4acfa
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2979605
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#75512}
Bug: v8:11856
Change-Id: I0a7858d1c21c0dfb961b9b2c3fa1074f9362886a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3001178
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75557}
86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
// 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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// #include "src/api/api-inl.h"
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// #include "test/cctest/wasm/wasm-atomics-utils.h"
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#include "test/cctest/cctest.h"
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#include "test/cctest/wasm/wasm-run-utils.h"
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#include "test/common/wasm/test-signatures.h"
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#include "test/common/wasm/wasm-macro-gen.h"
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namespace v8 {
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namespace internal {
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namespace wasm {
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namespace test_liftoff_for_fuzzing {
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TEST(MaxSteps) {
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WasmRunner<uint32_t> r(TestExecutionTier::kLiftoffForFuzzing);
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BUILD(r, WASM_LOOP(WASM_BR(0)), WASM_I32V(23));
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r.SetMaxSteps(10);
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r.CheckCallViaJSTraps();
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}
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TEST(NondeterminismUnopF32) {
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WasmRunner<float> r(TestExecutionTier::kLiftoffForFuzzing);
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BUILD(r, WASM_F32_ABS(WASM_F32(std::nanf(""))));
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CHECK(!r.HasNondeterminism());
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r.CheckCallViaJS(std::nanf(""));
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CHECK(r.HasNondeterminism());
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}
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TEST(NondeterminismUnopF64) {
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WasmRunner<double> r(TestExecutionTier::kLiftoffForFuzzing);
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BUILD(r, WASM_F64_ABS(WASM_F64(std::nan(""))));
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CHECK(!r.HasNondeterminism());
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r.CheckCallViaJS(std::nan(""));
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CHECK(r.HasNondeterminism());
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}
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TEST(NondeterminismUnopF32x4) {
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WasmRunner<int32_t, float> r(TestExecutionTier::kLiftoffForFuzzing);
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byte value = 0;
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BUILD(r,
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WASM_SIMD_UNOP(kExprF32x4Ceil,
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WASM_SIMD_F32x4_SPLAT(WASM_LOCAL_GET(value))),
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kExprDrop, WASM_ONE);
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CHECK(!r.HasNondeterminism());
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r.CheckCallViaJS(1, 0.0);
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CHECK(!r.HasNondeterminism());
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r.CheckCallViaJS(1, std::nanf(""));
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CHECK(r.HasNondeterminism());
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}
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TEST(NondeterminismUnopF64x2) {
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WasmRunner<int32_t, double> r(TestExecutionTier::kLiftoffForFuzzing);
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byte value = 0;
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BUILD(r,
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WASM_SIMD_UNOP(kExprF64x2Ceil,
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WASM_SIMD_F64x2_SPLAT(WASM_LOCAL_GET(value))),
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kExprDrop, WASM_ONE);
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CHECK(!r.HasNondeterminism());
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r.CheckCallViaJS(1, 0.0);
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CHECK(!r.HasNondeterminism());
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r.CheckCallViaJS(1, std::nan(""));
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CHECK(r.HasNondeterminism());
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}
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TEST(NondeterminismBinop) {
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WasmRunner<float> r(TestExecutionTier::kLiftoffForFuzzing);
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BUILD(r, WASM_F32_ADD(WASM_F32(std::nanf("")), WASM_F32(0)));
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CHECK(!r.HasNondeterminism());
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r.CheckCallViaJS(std::nanf(""));
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CHECK(r.HasNondeterminism());
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}
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} // namespace test_liftoff_for_fuzzing
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} // namespace wasm
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} // namespace internal
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} // namespace v8
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