v8/test/mjsunit/wasm/compilation-hints-decoder.js
Frederik Gossen 45a6503ca6 [wasm-hints] Add Tests for Compilation Hints
Add tests for tiering and lazy compilation with compilation hints. The
tests build modules and verify the {WasmCode}'s tier internally. The
module builder now supports compilation hints in CCTests.

Bug: v8:9003
Change-Id: I18d926c3b1ef3508835a51a9d1d86bfadcb5216e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1566522
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Frederik Gossen <frgossen@google.com>
Cr-Commit-Position: refs/heads/master@{#60916}
2019-04-18 10:34:42 +00:00

127 lines
4.9 KiB
JavaScript

// Copyright 2019 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.
// Flags: --experimental-wasm-compilation-hints
load('test/mjsunit/wasm/wasm-module-builder.js');
(function testDecodeCompilationHintsSectionNoDowngrade() {
let builder = new WasmModuleBuilder();
builder.addImport('mod', 'pow', kSig_i_ii);
builder.addFunction('upow', kSig_i_i)
.addBody([kExprGetLocal, 0,
kExprGetLocal, 0,
kExprCallFunction, 0])
.setCompilationHint(kCompilationHintStrategyLazy,
kCompilationHintTierOptimized,
kCompilationHintTierBaseline)
.exportFunc();
assertThrows(() => builder.instantiate({mod: {pow: Math.pow}}),
WebAssembly.CompileError,
"WebAssembly.Module(): Invalid compilation hint 0x2d " +
"(forbidden downgrade) @+70");
})();
(function testDecodeCompilationHintsSectionNoTiering() {
let builder = new WasmModuleBuilder();
builder.addImport('mod', 'pow', kSig_i_ii);
builder.addFunction('upow', kSig_i_i)
.addBody([kExprGetLocal, 0,
kExprGetLocal, 0,
kExprCallFunction, 0])
.setCompilationHint(kCompilationHintStrategyDefault,
kCompilationHintTierInterpreter,
kCompilationHintTierInterpreter)
.exportFunc();
builder.addFunction('upow2', kSig_i_i)
.addBody([kExprGetLocal, 0,
kExprGetLocal, 0,
kExprCallFunction, 0])
builder.addFunction('upow3', kSig_i_i)
.addBody([kExprGetLocal, 0,
kExprGetLocal, 0,
kExprCallFunction, 0])
let instance = builder.instantiate({mod: {pow: Math.pow}});
assertEquals(27, instance.exports.upow(3))
})();
(function testDecodeCompilationHintsSectionUpgrade() {
let builder = new WasmModuleBuilder();
builder.addImport('mod', 'pow', kSig_i_ii);
builder.addFunction('upow2', kSig_i_i)
.addBody([kExprGetLocal, 0,
kExprGetLocal, 0,
kExprCallFunction, 0])
builder.addFunction('upow3', kSig_i_i)
.addBody([kExprGetLocal, 0,
kExprGetLocal, 0,
kExprCallFunction, 0])
builder.addFunction('upow', kSig_i_i)
.addBody([kExprGetLocal, 0,
kExprGetLocal, 0,
kExprCallFunction, 0])
.setCompilationHint(kCompilationHintStrategyEager,
kCompilationHintTierBaseline,
kCompilationHintTierOptimized)
.exportFunc();
let instance = builder.instantiate({mod: {pow: Math.pow}});
assertEquals(27, instance.exports.upow(3))
})();
(function testDecodeCompilationHintsSectionNoImport() {
let builder = new WasmModuleBuilder();
builder.addFunction('sq', kSig_i_i)
.addBody([kExprGetLocal, 0,
kExprGetLocal, 0,
kExprI32Mul])
.setCompilationHint(kCompilationHintStrategyEager,
kCompilationHintTierDefault,
kCompilationHintTierOptimized)
.exportFunc();
let instance = builder.instantiate();
assertEquals(9, instance.exports.sq(3))
})();
(function testDecodeCompilationHintsSectionNoExport() {
let builder = new WasmModuleBuilder();
builder.addFunction('sq', kSig_i_i)
.addBody([kExprGetLocal, 0,
kExprGetLocal, 0,
kExprI32Mul])
.setCompilationHint(kCompilationHintStrategyEager,
kCompilationHintTierDefault,
kCompilationHintTierOptimized)
builder.instantiate();
})();
(function testDecodeCompilationHintsSectionTopTierDefault() {
let builder = new WasmModuleBuilder();
builder.addFunction('sq', kSig_i_i)
.addBody([kExprGetLocal, 0,
kExprGetLocal, 0,
kExprI32Mul])
.setCompilationHint(kCompilationHintStrategyEager,
kCompilationHintTierOptimized,
kCompilationHintTierDefault)
.exportFunc();
let instance = builder.instantiate();
assertEquals(9, instance.exports.sq(3))
})();
(function testDecodeCompilationHintsInvalidStrategy() {
let builder = new WasmModuleBuilder();
builder.addFunction('sq', kSig_i_i)
.addBody([kExprGetLocal, 0,
kExprGetLocal, 0,
kExprI32Mul])
.setCompilationHint(0x3,
kCompilationHintTierOptimized,
kCompilationHintTierDefault)
.exportFunc();
assertThrows(() => builder.instantiate(),
WebAssembly.CompileError,
"WebAssembly.Module(): Invalid compilation hint 0xf " +
"(unknown strategy) @+49");
})();