fa3cbf60d5
This changes Torque's builtin pointers to use a Smi representation underneath instead of storing the Code target object. Callsites look up the target entry point through IsolateData::builtin_entry_table. The notable effect of this CL is that builtin pointer calls no longer call any on-heap Code. Bug: v8:7777 Change-Id: Ibf6c749dd46cae7aba51494b09921229dd436f63 Reviewed-on: https://chromium-review.googlesource.com/c/1379880 Commit-Queue: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/master@{#58286}
693 lines
17 KiB
Plaintext
693 lines
17 KiB
Plaintext
// Copyright 2018 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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namespace test {
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macro ElementsKindTestHelper1(kind: constexpr ElementsKind): bool {
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if constexpr ((kind == UINT8_ELEMENTS) || (kind == UINT16_ELEMENTS)) {
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return true;
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} else {
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return false;
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}
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}
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macro ElementsKindTestHelper2(kind: constexpr ElementsKind): bool {
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return ((kind == UINT8_ELEMENTS) || (kind == UINT16_ELEMENTS));
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}
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macro ElementsKindTestHelper3(kind: constexpr ElementsKind): constexpr bool {
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return ((kind == UINT8_ELEMENTS) || (kind == UINT16_ELEMENTS));
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}
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macro LabelTestHelper1(): never
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labels Label1 {
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goto Label1;
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}
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macro LabelTestHelper2(): never
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labels Label2(Smi) {
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goto Label2(42);
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}
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macro LabelTestHelper3(): never
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labels Label3(String, Smi) {
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goto Label3('foo', 7);
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}
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macro TestConstexpr1() {
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check(FromConstexpr<bool>(IsFastElementsKind(PACKED_SMI_ELEMENTS)));
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}
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macro TestConstexprIf() {
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check(ElementsKindTestHelper1(UINT8_ELEMENTS));
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check(ElementsKindTestHelper1(UINT16_ELEMENTS));
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check(!ElementsKindTestHelper1(UINT32_ELEMENTS));
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}
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macro TestConstexprReturn() {
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check(FromConstexpr<bool>(ElementsKindTestHelper3(UINT8_ELEMENTS)));
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check(FromConstexpr<bool>(ElementsKindTestHelper3(UINT16_ELEMENTS)));
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check(!FromConstexpr<bool>(ElementsKindTestHelper3(UINT32_ELEMENTS)));
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check(FromConstexpr<bool>(!ElementsKindTestHelper3(UINT32_ELEMENTS)));
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}
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macro TestGotoLabel(): Boolean {
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try {
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LabelTestHelper1() otherwise Label1;
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}
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label Label1 {
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return True;
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}
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}
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macro TestGotoLabelWithOneParameter(): Boolean {
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try {
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LabelTestHelper2() otherwise Label2;
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}
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label Label2(smi: Smi) {
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check(smi == 42);
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return True;
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}
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}
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macro TestGotoLabelWithTwoParameters(): Boolean {
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try {
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LabelTestHelper3() otherwise Label3;
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}
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label Label3(str: String, smi: Smi) {
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check(str == 'foo');
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check(smi == 7);
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return True;
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}
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}
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builtin GenericBuiltinTest<T: type>(c: Context, param: T): Object {
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return Null;
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}
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GenericBuiltinTest<Object>(c: Context, param: Object): Object {
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return param;
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}
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macro TestBuiltinSpecialization(c: Context) {
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check(GenericBuiltinTest<Smi>(c, 0) == Null);
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check(GenericBuiltinTest<Smi>(c, 1) == Null);
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check(GenericBuiltinTest<Object>(c, Undefined) == Undefined);
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check(GenericBuiltinTest<Object>(c, Undefined) == Undefined);
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}
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macro LabelTestHelper4(flag: constexpr bool): never
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labels Label4, Label5 {
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if constexpr (flag) {
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goto Label4;
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} else {
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goto Label5;
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}
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}
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macro CallLabelTestHelper4(flag: constexpr bool): bool {
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try {
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LabelTestHelper4(flag) otherwise Label4, Label5;
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}
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label Label4 {
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return true;
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}
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label Label5 {
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return false;
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}
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}
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macro TestPartiallyUnusedLabel(): Boolean {
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let r1: bool = CallLabelTestHelper4(true);
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let r2: bool = CallLabelTestHelper4(false);
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if (r1 && !r2) {
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return True;
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} else {
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return False;
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}
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}
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macro GenericMacroTest<T: type>(param: T): Object {
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return Undefined;
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}
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GenericMacroTest<Object>(param2: Object): Object {
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return param2;
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}
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macro GenericMacroTestWithLabels<T: type>(param: T): Object
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labels X {
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return Undefined;
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}
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GenericMacroTestWithLabels<Object>(param2: Object): Object
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labels Y {
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return Cast<Smi>(param2) otherwise Y;
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}
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macro TestMacroSpecialization() {
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try {
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const smi0: Smi = 0;
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check(GenericMacroTest<Smi>(0) == Undefined);
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check(GenericMacroTest<Smi>(1) == Undefined);
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check(GenericMacroTest<Object>(Null) == Null);
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check(GenericMacroTest<Object>(False) == False);
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check(GenericMacroTest<Object>(True) == True);
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check((GenericMacroTestWithLabels<Smi>(0) otherwise Fail) == Undefined);
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check((GenericMacroTestWithLabels<Smi>(0) otherwise Fail) == Undefined);
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check((GenericMacroTestWithLabels<Object>(smi0) otherwise Fail) == smi0);
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try {
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GenericMacroTestWithLabels<Object>(False) otherwise Expected;
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}
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label Expected {}
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}
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label Fail {
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unreachable;
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}
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}
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builtin TestHelperPlus1(context: Context, x: Smi): Smi {
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return x + 1;
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}
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builtin TestHelperPlus2(context: Context, x: Smi): Smi {
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return x + 2;
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}
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macro TestFunctionPointers(implicit context: Context)(): Boolean {
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let fptr: builtin(Context, Smi) => Smi = TestHelperPlus1;
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check(fptr(context, 42) == 43);
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fptr = TestHelperPlus2;
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check(fptr(context, 42) == 44);
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return True;
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}
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macro TestVariableRedeclaration(implicit context: Context)(): Boolean {
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let var1: int31 = FromConstexpr<bool>(42 == 0) ? 0 : 1;
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let var2: int31 = FromConstexpr<bool>(42 == 0) ? 1 : 0;
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return True;
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}
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macro TestTernaryOperator(x: Smi): Smi {
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let b: bool = x < 0 ? true : false;
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return b ? x - 10 : x + 100;
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}
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macro TestFunctionPointerToGeneric(c: Context) {
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let fptr1: builtin(Context, Smi) => Object = GenericBuiltinTest<Smi>;
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let fptr2: builtin(Context, Object) => Object = GenericBuiltinTest<Object>;
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check(fptr1(c, 0) == Null);
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check(fptr1(c, 1) == Null);
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check(fptr2(c, Undefined) == Undefined);
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check(fptr2(c, Undefined) == Undefined);
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}
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type ObjectToObject = builtin(Context, Object) => Object;
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macro TestTypeAlias(x: ObjectToObject): BuiltinPtr {
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return x;
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}
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macro TestUnsafeCast(implicit context: Context)(n: Number): Boolean {
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if (TaggedIsSmi(n)) {
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let m: Smi = UnsafeCast<Smi>(n);
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check(TestHelperPlus1(context, m) == 11);
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return True;
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}
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return False;
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}
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macro TestHexLiteral() {
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check(Convert<intptr>(0xffff) + 1 == 0x10000);
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check(Convert<intptr>(-0xffff) == -65535);
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}
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macro TestLargeIntegerLiterals(implicit c: Context)() {
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let x: int32 = 0x40000000;
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let y: int32 = 0x7fffffff;
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}
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macro TestMultilineAssert() {
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let someVeryLongVariableNameThatWillCauseLineBreaks: Smi = 5;
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check(
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someVeryLongVariableNameThatWillCauseLineBreaks > 0 &&
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someVeryLongVariableNameThatWillCauseLineBreaks < 10);
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}
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macro TestNewlineInString() {
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Print('Hello, World!\n');
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}
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const kConstexprConst: constexpr int31 = 5;
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const kIntptrConst: intptr = 4;
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const kSmiConst: Smi = 3;
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macro TestModuleConstBindings() {
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check(kConstexprConst == Int32Constant(5));
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check(kIntptrConst == 4);
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check(kSmiConst == 3);
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}
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macro TestLocalConstBindings() {
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const x: constexpr int31 = 3;
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const xSmi: Smi = x;
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{
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const x: Smi = x + FromConstexpr<Smi>(1);
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check(x == xSmi + 1);
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const xSmi: Smi = x;
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check(x == xSmi);
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check(x == 4);
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}
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check(xSmi == 3);
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check(x == xSmi);
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}
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struct TestStructA {
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indexes: FixedArray;
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i: Smi;
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k: Number;
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}
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struct TestStructB {
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x: TestStructA;
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y: Smi;
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}
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macro TestStruct1(i: TestStructA): Smi {
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return i.i;
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}
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macro TestStruct2(implicit context: Context)(): TestStructA {
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return TestStructA{UnsafeCast<FixedArray>(kEmptyFixedArray), 27, 31};
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}
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macro TestStruct3(implicit context: Context)(): TestStructA {
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let a: TestStructA =
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TestStructA{UnsafeCast<FixedArray>(kEmptyFixedArray), 13, 5};
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let b: TestStructA = a;
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let c: TestStructA = TestStruct2();
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a.i = TestStruct1(c);
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a.k = a.i;
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let d: TestStructB;
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d.x = a;
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d = TestStructB{a, 7};
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let e: TestStructA = d.x;
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let f: Smi =
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TestStructA{UnsafeCast<FixedArray>(kEmptyFixedArray), 27, 31}.i;
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f = TestStruct2().i;
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return a;
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}
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struct TestStructC {
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x: TestStructA;
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y: TestStructA;
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}
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macro TestStruct4(implicit context: Context)(): TestStructC {
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return TestStructC{TestStruct2(), TestStruct2()};
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}
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// This macro tests different versions of the for-loop where some parts
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// are (not) present.
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macro TestForLoop() {
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let sum: Smi = 0;
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for (let i: Smi = 0; i < 5; ++i) sum += i;
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check(sum == 10);
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sum = 0;
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let j: Smi = 0;
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for (; j < 5; ++j) sum += j;
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check(sum == 10);
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sum = 0;
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j = 0;
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for (; j < 5;) sum += j++;
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check(sum == 10);
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// Check that break works. No test expression.
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sum = 0;
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for (let i: Smi = 0;; ++i) {
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if (i == 5) break;
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sum += i;
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}
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check(sum == 10);
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sum = 0;
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j = 0;
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for (;;) {
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if (j == 5) break;
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sum += j;
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j++;
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}
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check(sum == 10);
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// The following tests are the same as above, but use continue to skip
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// index 3.
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sum = 0;
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for (let i: Smi = 0; i < 5; ++i) {
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if (i == 3) continue;
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sum += i;
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}
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check(sum == 7);
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sum = 0;
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j = 0;
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for (; j < 5; ++j) {
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if (j == 3) continue;
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sum += j;
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}
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check(sum == 7);
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sum = 0;
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j = 0;
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for (; j < 5;) {
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if (j == 3) {
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j++;
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continue;
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}
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sum += j;
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j++;
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}
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check(sum == 7);
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sum = 0;
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for (let i: Smi = 0;; ++i) {
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if (i == 3) continue;
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if (i == 5) break;
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sum += i;
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}
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check(sum == 7);
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sum = 0;
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j = 0;
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for (;;) {
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if (j == 3) {
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j++;
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continue;
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}
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if (j == 5) break;
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sum += j;
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j++;
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}
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check(sum == 7);
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j = 0;
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try {
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for (;;) {
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if (++j == 10) goto Exit;
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}
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}
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label Exit {
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check(j == 10);
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}
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}
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macro TestSubtyping(x: Smi) {
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const foo: Object = x;
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}
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macro IncrementIfSmi<A: type>(x: A): A {
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typeswitch (x) {
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case (x: Smi): {
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return x + 1;
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}
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case (o: A): {
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return o;
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}
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}
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}
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type NumberOrFixedArray = Number | FixedArray;
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macro TypeswitchExample(implicit context: Context)(x: NumberOrFixedArray):
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int32 {
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let result: int32 = 0;
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typeswitch (IncrementIfSmi(x)) {
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case (x: FixedArray): {
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result = result + 1;
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}
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case (Number): {
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result = result + 2;
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}
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}
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result = result * 10;
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typeswitch (IncrementIfSmi(x)) {
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case (x: Smi): {
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result = result + Convert<int32>(x);
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}
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case (a: FixedArray): {
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result = result + Convert<int32>(a.length);
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}
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case (x: HeapNumber): {
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result = result + 7;
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}
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}
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return result;
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}
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macro TestTypeswitch(implicit context: Context)() {
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check(TypeswitchExample(FromConstexpr<Smi>(5)) == 26);
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const a: FixedArray = AllocateZeroedFixedArray(3);
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check(TypeswitchExample(a) == 13);
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check(TypeswitchExample(FromConstexpr<Number>(0.5)) == 27);
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}
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macro ExampleGenericOverload<A: type>(o: Object): A {
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return o;
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}
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macro ExampleGenericOverload<A: type>(o: Smi): A {
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return o + 1;
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}
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macro TestGenericOverload(implicit context: Context)() {
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const xSmi: Smi = 5;
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const xObject: Object = xSmi;
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check(ExampleGenericOverload<Smi>(xSmi) == 6);
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check(UnsafeCast<Smi>(ExampleGenericOverload<Object>(xObject)) == 5);
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}
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macro BoolToBranch(x: bool): never
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labels Taken, NotTaken {
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if (x) {
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goto Taken;
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} else {
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goto NotTaken;
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}
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}
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macro TestOrAnd1(x: bool, y: bool, z: bool): bool {
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return BoolToBranch(x) || y && z ? true : false;
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}
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macro TestOrAnd2(x: bool, y: bool, z: bool): bool {
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return x || BoolToBranch(y) && z ? true : false;
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}
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macro TestOrAnd3(x: bool, y: bool, z: bool): bool {
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return x || y && BoolToBranch(z) ? true : false;
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}
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macro TestAndOr1(x: bool, y: bool, z: bool): bool {
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return BoolToBranch(x) && y || z ? true : false;
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}
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macro TestAndOr2(x: bool, y: bool, z: bool): bool {
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return x && BoolToBranch(y) || z ? true : false;
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}
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macro TestAndOr3(x: bool, y: bool, z: bool): bool {
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return x && y || BoolToBranch(z) ? true : false;
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}
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macro TestLogicalOperators() {
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check(TestAndOr1(true, true, true));
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check(TestAndOr2(true, true, true));
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check(TestAndOr3(true, true, true));
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check(TestAndOr1(true, true, false));
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check(TestAndOr2(true, true, false));
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check(TestAndOr3(true, true, false));
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check(TestAndOr1(true, false, true));
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check(TestAndOr2(true, false, true));
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check(TestAndOr3(true, false, true));
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check(!TestAndOr1(true, false, false));
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check(!TestAndOr2(true, false, false));
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check(!TestAndOr3(true, false, false));
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check(TestAndOr1(false, true, true));
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check(TestAndOr2(false, true, true));
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check(TestAndOr3(false, true, true));
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check(!TestAndOr1(false, true, false));
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check(!TestAndOr2(false, true, false));
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check(!TestAndOr3(false, true, false));
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check(TestAndOr1(false, false, true));
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check(TestAndOr2(false, false, true));
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check(TestAndOr3(false, false, true));
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check(!TestAndOr1(false, false, false));
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check(!TestAndOr2(false, false, false));
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check(!TestAndOr3(false, false, false));
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check(TestOrAnd1(true, true, true));
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check(TestOrAnd2(true, true, true));
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check(TestOrAnd3(true, true, true));
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check(TestOrAnd1(true, true, false));
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check(TestOrAnd2(true, true, false));
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check(TestOrAnd3(true, true, false));
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check(TestOrAnd1(true, false, true));
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check(TestOrAnd2(true, false, true));
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check(TestOrAnd3(true, false, true));
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check(TestOrAnd1(true, false, false));
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check(TestOrAnd2(true, false, false));
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check(TestOrAnd3(true, false, false));
|
|
check(TestOrAnd1(false, true, true));
|
|
check(TestOrAnd2(false, true, true));
|
|
check(TestOrAnd3(false, true, true));
|
|
check(!TestOrAnd1(false, true, false));
|
|
check(!TestOrAnd2(false, true, false));
|
|
check(!TestOrAnd3(false, true, false));
|
|
check(!TestOrAnd1(false, false, true));
|
|
check(!TestOrAnd2(false, false, true));
|
|
check(!TestOrAnd3(false, false, true));
|
|
check(!TestOrAnd1(false, false, false));
|
|
check(!TestOrAnd2(false, false, false));
|
|
check(!TestOrAnd3(false, false, false));
|
|
}
|
|
|
|
macro TestCall(i: Smi): Smi
|
|
labels A {
|
|
if (i < 5) return i;
|
|
goto A;
|
|
}
|
|
|
|
macro TestOtherwiseWithCode1() {
|
|
let v: Smi = 0;
|
|
let s: Smi = 1;
|
|
try {
|
|
TestCall(10) otherwise goto B(++s);
|
|
}
|
|
label B(v1: Smi) {
|
|
v = v1;
|
|
}
|
|
assert(v == 2);
|
|
}
|
|
|
|
macro TestOtherwiseWithCode2() {
|
|
let s: Smi = 0;
|
|
for (let i: Smi = 0; i < 10; ++i) {
|
|
TestCall(i) otherwise break;
|
|
++s;
|
|
}
|
|
assert(s == 5);
|
|
}
|
|
|
|
macro TestOtherwiseWithCode3() {
|
|
let s: Smi = 0;
|
|
for (let i: Smi = 0; i < 10; ++i) {
|
|
s += TestCall(i) otherwise break;
|
|
}
|
|
assert(s == 10);
|
|
}
|
|
|
|
macro TestForwardLabel() {
|
|
try {
|
|
goto A;
|
|
}
|
|
label A {
|
|
goto B(5);
|
|
}
|
|
label B(b: Smi) {
|
|
assert(b == 5);
|
|
}
|
|
}
|
|
|
|
macro TestQualifiedAccess(implicit context: Context)() {
|
|
let s: Smi = 0;
|
|
check(!array::IsJSArray(s));
|
|
}
|
|
|
|
macro TestCatch1(implicit context: Context)(): Smi {
|
|
let r: Smi = 0;
|
|
try {
|
|
ThrowTypeError(context, kInvalidArrayLength);
|
|
} catch (e) {
|
|
r = 1;
|
|
return r;
|
|
}
|
|
}
|
|
|
|
macro TestCatch2Wrapper(implicit context: Context)(): never {
|
|
ThrowTypeError(context, kInvalidArrayLength);
|
|
}
|
|
|
|
macro TestCatch2(implicit context: Context)(): Smi {
|
|
let r: Smi = 0;
|
|
try {
|
|
TestCatch2Wrapper();
|
|
} catch (e) {
|
|
r = 2;
|
|
return r;
|
|
}
|
|
}
|
|
|
|
macro TestCatch3WrapperWithLabel(implicit context: Context)(): never
|
|
labels Abort {
|
|
ThrowTypeError(context, kInvalidArrayLength);
|
|
}
|
|
|
|
macro TestCatch3(implicit context: Context)(): Smi {
|
|
let r: Smi = 0;
|
|
try {
|
|
TestCatch3WrapperWithLabel() otherwise Abort;
|
|
}
|
|
label Abort {
|
|
return -1;
|
|
}
|
|
catch (e) {
|
|
r = 2;
|
|
return r;
|
|
}
|
|
}
|
|
|
|
// This test doesn't actually test the functionality of iterators,
|
|
// it's only purpose is to make sure tha the CSA macros in the
|
|
// IteratorBuiltinsAssembler match the signatures provided in
|
|
// iterator.tq.
|
|
macro TestIterator(implicit context: Context)(o: Object, map: Map) {
|
|
try {
|
|
const t1: Object = iterator::GetIteratorMethod(o);
|
|
const t2: iterator::IteratorRecord = iterator::GetIterator(o);
|
|
|
|
const t3: Object = iterator::IteratorStep(t2) otherwise Fail;
|
|
const t4: Object = iterator::IteratorStep(t2, map) otherwise Fail;
|
|
|
|
const t5: Object = iterator::IteratorValue(t4);
|
|
const t6: Object = iterator::IteratorValue(t4, map);
|
|
|
|
const t7: JSArray = iterator::IterableToList(t1, t1);
|
|
|
|
iterator::IteratorCloseOnException(t2, t5);
|
|
}
|
|
label Fail {}
|
|
}
|
|
|
|
macro TestFrame1(implicit context: Context)() {
|
|
const f: Frame = LoadFramePointer();
|
|
const frameType: FrameType =
|
|
Cast<FrameType>(f.context_or_frame_type) otherwise unreachable;
|
|
assert(frameType == STUB_FRAME);
|
|
assert(f.caller == LoadParentFramePointer());
|
|
typeswitch (f) {
|
|
case (f: StandardFrame): {
|
|
unreachable;
|
|
}
|
|
case (f: ArgumentsAdaptorFrame): {
|
|
unreachable;
|
|
}
|
|
case (f: StubFrame): {
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|