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// Copyright 2016 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: --validate-asm --allow-natives-syntax
var selectedTest = undefined;
//selectedTest = 16;
function skip(a) {
return selectedTest != undefined ? a != selectedTest : false;
}
const assign_in_stmt = [
"if (E) =",
"if (=) E",
"if (E) E; else =",
"for (=; E; S) S",
"for (E; =; S) S",
"for (E; E; =) E",
"for (E; E; E) =",
"do { = } while(E)",
"do { S } while (=)",
];
const assign_in_expr = [
"i32_func(=)",
"(=) ? E : E",
"E ? (=) : E",
"E ? E : (=)",
"(=) + E",
"E + (=)",
"imul(=, E)",
"imul(E, =)",
"~(=)",
"(=) | 0",
"(=), E",
"E, (=)",
"E, E, (=)",
"E, (=), E",
"(=), E, E",
];
const stdlib = {
Math: Math,
Int8Array: Int8Array,
Int16Array: Int16Array,
Int32Array: Int32Array,
Uint8Array: Uint8Array,
Uint16Array: Uint16Array,
Uint32Array: Uint32Array,
Float32Array: Float32Array,
Float64Array: Float64Array,
};
const buffer = new ArrayBuffer(65536);
// Template for a module.
function MODULE_TEMPLATE(stdlib, foreign, buffer) {
"use asm";
var imul = stdlib.Math.imul;
var fround = stdlib.Math.fround;
var M = new stdlib.Int32Array(buffer);
var G = 0;
function void_func() {}
function i32_func(a) {
a = a | 0;
return a | 0;
}
FUNC_DECL
return {main: main};
}
// Template for main function.
{
function main(i32, f32, f64) {
i32 = i32 | 0;
f32 = fround(f32);
f64 = +f64;
FUNC_BODY
}
}
function RunAsmJsTest(asmfunc, expect) {
var asm_source = asmfunc.toString();
var nonasm_source = asm_source.replace(new RegExp("use asm"), "");
print("Testing " + asmfunc.name + " (js)...");
var js_module = eval("(" + nonasm_source + ")")(stdlib, {}, buffer);
expect(js_module);
print("Testing " + asmfunc.name + " (asm.js)...");
var asm_module = asmfunc(stdlib, {}, buffer);
assertTrue(%IsAsmWasmCode(asmfunc));
expect(asm_module);
}
var test = 0;
function DoTheTests(expr, assign, stmt) {
// ==== Expression assignment tests ========================================
for (let e of assign_in_expr) {
if (skip(++test)) continue;
var orig = e;
e = e.replace(/=/g, assign);
e = e.replace(/E/g, expr);
e = e.replace(/S/g, stmt);
var str = main.toString().replace("FUNC_BODY", "return (" + e + ") | 0;");
var asm_source = MODULE_TEMPLATE.toString().replace("FUNC_DECL", str);
// TODO(titzer): a verbosity API for these kinds of tests?
// print(asm_source);
doTest(asm_source, "(" + test + ") " + e);
}
// ==== Statement assignment tests =========================================
for (let e of assign_in_stmt) {
if (skip(++test)) continue;
var orig = e;
e = e.replace(/=/g, assign);
e = e.replace(/E/g, expr);
e = e.replace(/S/g, stmt);
var str = main.toString().replace("FUNC_BODY", e + "; return 0;");
var asm_source = MODULE_TEMPLATE.toString().replace("FUNC_DECL", str);
// print(asm_source);
doTest(asm_source, "(" + test + ") " + e);
}
function doTest(asm_source, orig) {
var nonasm_source = asm_source.replace(new RegExp("use asm"), "");
print("Testing JS: " + orig);
var js_module = eval("(" + nonasm_source + ")")(stdlib, {}, buffer);
expect(js_module);
var asmfunc = eval("(" + asm_source + ")");
print("Testing ASMJS: " + orig);
var asm_module = asmfunc(stdlib, {}, buffer);
assertTrue(%IsAsmWasmCode(asmfunc));
expect(asm_module);
}
function expect(module) { module.main(0, 0, 0); print(" ok"); return true; }
}
DoTheTests("(i32 | 0)", "i32 = 0", "void_func()");
DoTheTests("G", "G = 0", "void_func()");
DoTheTests("G", "G = 0", "G");
DoTheTests("(M[0] | 0)", "M[0] = 0", "void_func()");
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