0292896dbf
Replace uses of WordEqual on two tagged representation nodes with a new TaggedEqual helper, which on pointer compressed configs only compares the bottom 32-bits of the word. We no longer allow using WordEqual on anything not known to be a WordT (i.e. Node* or TNode<Object>). In the future, this may allow us to ignore the top bits of an uncompressed Smi, and have simpler decompression, though this patch is not sufficient for such a change. As a necessary drive-by, TNodify a bunch of stuff. Bug: v8:8948 Change-Id: Ie11b70709e5d3073f12551b37b420a172a71bc99 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1763531 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Reviewed-by: Tobias Tebbi <tebbi@chromium.org> Reviewed-by: Igor Sheludko <ishell@chromium.org> Reviewed-by: Santiago Aboy Solanes <solanes@chromium.org> Cr-Commit-Position: refs/heads/master@{#63372}
636 lines
26 KiB
C++
636 lines
26 KiB
C++
// Copyright 2015 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 "test/unittests/interpreter/interpreter-assembler-unittest.h"
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#include "src/codegen/code-factory.h"
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#include "src/codegen/interface-descriptors.h"
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#include "src/compiler/node-properties.h"
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#include "src/compiler/node.h"
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#include "src/execution/isolate.h"
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#include "src/objects/objects-inl.h"
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#include "test/unittests/compiler/compiler-test-utils.h"
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#include "test/unittests/compiler/node-test-utils.h"
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using ::testing::_;
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using ::testing::Eq;
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using v8::internal::compiler::Node;
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using v8::internal::compiler::TNode;
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namespace c = v8::internal::compiler;
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namespace v8 {
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namespace internal {
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namespace interpreter {
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namespace interpreter_assembler_unittest {
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InterpreterAssemblerTestState::InterpreterAssemblerTestState(
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InterpreterAssemblerTest* test, Bytecode bytecode)
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: compiler::CodeAssemblerState(
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test->isolate(), test->zone(), InterpreterDispatchDescriptor{},
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Code::BYTECODE_HANDLER, Bytecodes::ToString(bytecode),
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PoisoningMitigationLevel::kPoisonCriticalOnly) {}
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const interpreter::Bytecode kBytecodes[] = {
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#define DEFINE_BYTECODE(Name, ...) interpreter::Bytecode::k##Name,
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BYTECODE_LIST(DEFINE_BYTECODE)
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#undef DEFINE_BYTECODE
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};
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InterpreterAssemblerTest::InterpreterAssemblerForTest::
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~InterpreterAssemblerForTest() {
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// Tests don't necessarily read and write accumulator but
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// InterpreterAssembler checks accumulator uses.
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if (Bytecodes::ReadsAccumulator(bytecode())) {
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GetAccumulator();
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}
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if (Bytecodes::WritesAccumulator(bytecode())) {
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SetAccumulator(nullptr);
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}
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}
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Matcher<Node*> InterpreterAssemblerTest::InterpreterAssemblerForTest::IsLoad(
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const Matcher<c::LoadRepresentation>& rep_matcher,
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const Matcher<Node*>& base_matcher, const Matcher<Node*>& index_matcher,
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LoadSensitivity needs_poisoning) {
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CHECK_NE(LoadSensitivity::kUnsafe, needs_poisoning);
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CHECK_NE(PoisoningMitigationLevel::kPoisonAll, poisoning_level());
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if (poisoning_level() == PoisoningMitigationLevel::kPoisonCriticalOnly &&
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needs_poisoning == LoadSensitivity::kCritical) {
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return ::i::compiler::IsPoisonedLoad(rep_matcher, base_matcher,
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index_matcher, _, _);
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}
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return ::i::compiler::IsLoad(rep_matcher, base_matcher, index_matcher, _, _);
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}
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Matcher<Node*>
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InterpreterAssemblerTest::InterpreterAssemblerForTest::IsLoadFromObject(
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const Matcher<c::LoadRepresentation>& rep_matcher,
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const Matcher<Node*>& base_matcher, const Matcher<Node*>& index_matcher) {
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CHECK_NE(PoisoningMitigationLevel::kPoisonAll, poisoning_level());
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return ::i::compiler::IsLoadFromObject(rep_matcher, base_matcher,
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index_matcher, _, _);
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}
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Matcher<Node*> InterpreterAssemblerTest::InterpreterAssemblerForTest::IsStore(
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const Matcher<c::StoreRepresentation>& rep_matcher,
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const Matcher<Node*>& base_matcher, const Matcher<Node*>& index_matcher,
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const Matcher<Node*>& value_matcher) {
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return ::i::compiler::IsStore(rep_matcher, base_matcher, index_matcher,
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value_matcher, _, _);
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}
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Matcher<Node*> InterpreterAssemblerTest::InterpreterAssemblerForTest::IsWordNot(
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const Matcher<Node*>& value_matcher) {
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return kSystemPointerSize == 8
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? IsWord64Xor(value_matcher, c::IsInt64Constant(-1))
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: IsWord32Xor(value_matcher, c::IsInt32Constant(-1));
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}
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Matcher<Node*>
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InterpreterAssemblerTest::InterpreterAssemblerForTest::IsUnsignedByteOperand(
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int offset, LoadSensitivity needs_poisoning) {
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return IsLoad(
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MachineType::Uint8(),
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
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c::IsIntPtrAdd(
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset),
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c::IsIntPtrConstant(offset)),
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needs_poisoning);
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}
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Matcher<Node*>
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InterpreterAssemblerTest::InterpreterAssemblerForTest::IsSignedByteOperand(
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int offset, LoadSensitivity needs_poisoning) {
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return IsLoad(
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MachineType::Int8(),
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
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c::IsIntPtrAdd(
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset),
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c::IsIntPtrConstant(offset)),
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needs_poisoning);
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}
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Matcher<Node*>
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InterpreterAssemblerTest::InterpreterAssemblerForTest::IsUnsignedShortOperand(
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int offset, LoadSensitivity needs_poisoning) {
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if (TargetSupportsUnalignedAccess()) {
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return IsLoad(
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MachineType::Uint16(),
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
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c::IsIntPtrAdd(
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset),
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c::IsIntPtrConstant(offset)),
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needs_poisoning);
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} else {
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#if V8_TARGET_LITTLE_ENDIAN
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const int kStep = -1;
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const int kMsbOffset = 1;
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#elif V8_TARGET_BIG_ENDIAN
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const int kStep = 1;
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const int kMsbOffset = 0;
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#else
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#error "Unknown Architecture"
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#endif
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Matcher<Node*> bytes[2];
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for (int i = 0; i < static_cast<int>(arraysize(bytes)); i++) {
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bytes[i] = IsLoad(
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MachineType::Uint8(),
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
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c::IsIntPtrAdd(
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset),
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c::IsIntPtrConstant(offset + kMsbOffset + kStep * i)),
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needs_poisoning);
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}
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return c::IsWord32Or(
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c::IsWord32Shl(bytes[0], c::IsInt32Constant(kBitsPerByte)), bytes[1]);
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}
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}
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Matcher<Node*>
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InterpreterAssemblerTest::InterpreterAssemblerForTest::IsSignedShortOperand(
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int offset, LoadSensitivity needs_poisoning) {
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if (TargetSupportsUnalignedAccess()) {
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return IsLoad(
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MachineType::Int16(),
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
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c::IsIntPtrAdd(
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset),
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c::IsIntPtrConstant(offset)),
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needs_poisoning);
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} else {
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#if V8_TARGET_LITTLE_ENDIAN
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const int kStep = -1;
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const int kMsbOffset = 1;
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#elif V8_TARGET_BIG_ENDIAN
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const int kStep = 1;
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const int kMsbOffset = 0;
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#else
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#error "Unknown Architecture"
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#endif
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Matcher<Node*> bytes[2];
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for (int i = 0; i < static_cast<int>(arraysize(bytes)); i++) {
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bytes[i] = IsLoad(
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(i == 0) ? MachineType::Int8() : MachineType::Uint8(),
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
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c::IsIntPtrAdd(
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset),
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c::IsIntPtrConstant(offset + kMsbOffset + kStep * i)),
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needs_poisoning);
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}
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return c::IsWord32Or(
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c::IsWord32Shl(bytes[0], c::IsInt32Constant(kBitsPerByte)), bytes[1]);
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}
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}
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Matcher<Node*>
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InterpreterAssemblerTest::InterpreterAssemblerForTest::IsUnsignedQuadOperand(
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int offset, LoadSensitivity needs_poisoning) {
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if (TargetSupportsUnalignedAccess()) {
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return IsLoad(
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MachineType::Uint32(),
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
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c::IsIntPtrAdd(
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset),
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c::IsIntPtrConstant(offset)),
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needs_poisoning);
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} else {
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#if V8_TARGET_LITTLE_ENDIAN
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const int kStep = -1;
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const int kMsbOffset = 3;
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#elif V8_TARGET_BIG_ENDIAN
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const int kStep = 1;
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const int kMsbOffset = 0;
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#else
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#error "Unknown Architecture"
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#endif
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Matcher<Node*> bytes[4];
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for (int i = 0; i < static_cast<int>(arraysize(bytes)); i++) {
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bytes[i] = IsLoad(
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MachineType::Uint8(),
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
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c::IsIntPtrAdd(
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset),
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c::IsIntPtrConstant(offset + kMsbOffset + kStep * i)),
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needs_poisoning);
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}
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return c::IsWord32Or(
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c::IsWord32Shl(bytes[0], c::IsInt32Constant(3 * kBitsPerByte)),
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c::IsWord32Or(
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c::IsWord32Shl(bytes[1], c::IsInt32Constant(2 * kBitsPerByte)),
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c::IsWord32Or(
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c::IsWord32Shl(bytes[2], c::IsInt32Constant(1 * kBitsPerByte)),
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bytes[3])));
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}
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}
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Matcher<Node*>
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InterpreterAssemblerTest::InterpreterAssemblerForTest::IsSignedQuadOperand(
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int offset, LoadSensitivity needs_poisoning) {
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if (TargetSupportsUnalignedAccess()) {
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return IsLoad(
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MachineType::Int32(),
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
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c::IsIntPtrAdd(
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset),
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c::IsIntPtrConstant(offset)),
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needs_poisoning);
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} else {
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#if V8_TARGET_LITTLE_ENDIAN
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const int kStep = -1;
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int kMsbOffset = 3;
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#elif V8_TARGET_BIG_ENDIAN
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const int kStep = 1;
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int kMsbOffset = 0;
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#else
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#error "Unknown Architecture"
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#endif
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Matcher<Node*> bytes[4];
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for (int i = 0; i < static_cast<int>(arraysize(bytes)); i++) {
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bytes[i] = IsLoad(
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(i == 0) ? MachineType::Int8() : MachineType::Uint8(),
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
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c::IsIntPtrAdd(
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset),
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c::IsIntPtrConstant(offset + kMsbOffset + kStep * i)),
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needs_poisoning);
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}
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return c::IsWord32Or(
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c::IsWord32Shl(bytes[0], c::IsInt32Constant(3 * kBitsPerByte)),
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c::IsWord32Or(
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c::IsWord32Shl(bytes[1], c::IsInt32Constant(2 * kBitsPerByte)),
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c::IsWord32Or(
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c::IsWord32Shl(bytes[2], c::IsInt32Constant(1 * kBitsPerByte)),
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bytes[3])));
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}
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}
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Matcher<Node*>
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InterpreterAssemblerTest::InterpreterAssemblerForTest::IsSignedOperand(
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int offset, OperandSize operand_size, LoadSensitivity needs_poisoning) {
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switch (operand_size) {
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case OperandSize::kByte:
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return IsSignedByteOperand(offset, needs_poisoning);
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case OperandSize::kShort:
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return IsSignedShortOperand(offset, needs_poisoning);
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case OperandSize::kQuad:
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return IsSignedQuadOperand(offset, needs_poisoning);
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case OperandSize::kNone:
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UNREACHABLE();
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}
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return nullptr;
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}
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Matcher<Node*>
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InterpreterAssemblerTest::InterpreterAssemblerForTest::IsUnsignedOperand(
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int offset, OperandSize operand_size, LoadSensitivity needs_poisoning) {
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switch (operand_size) {
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case OperandSize::kByte:
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return IsUnsignedByteOperand(offset, needs_poisoning);
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case OperandSize::kShort:
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return IsUnsignedShortOperand(offset, needs_poisoning);
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case OperandSize::kQuad:
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return IsUnsignedQuadOperand(offset, needs_poisoning);
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case OperandSize::kNone:
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UNREACHABLE();
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}
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return nullptr;
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}
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Matcher<compiler::Node*>
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InterpreterAssemblerTest::InterpreterAssemblerForTest::IsLoadRegisterOperand(
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int offset, OperandSize operand_size) {
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Matcher<compiler::Node*> reg_operand = IsChangeInt32ToIntPtr(
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IsSignedOperand(offset, operand_size, LoadSensitivity::kSafe));
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return IsBitcastWordToTagged(IsLoad(
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MachineType::Pointer(), c::IsLoadParentFramePointer(),
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c::IsWordShl(reg_operand, c::IsIntPtrConstant(kSystemPointerSizeLog2)),
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LoadSensitivity::kCritical));
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}
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TARGET_TEST_F(InterpreterAssemblerTest, Jump) {
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// If debug code is enabled we emit extra code in Jump.
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if (FLAG_debug_code) return;
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int jump_offsets[] = {-9710, -77, 0, +3, +97109};
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TRACED_FOREACH(int, jump_offset, jump_offsets) {
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TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
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if (!interpreter::Bytecodes::IsJump(bytecode)) return;
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InterpreterAssemblerTestState state(this, bytecode);
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InterpreterAssemblerForTest m(&state, bytecode);
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Node* tail_call_node = m.Jump(m.IntPtrConstant(jump_offset));
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Matcher<Node*> next_bytecode_offset_matcher = c::IsIntPtrAdd(
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c::IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset),
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c::IsIntPtrConstant(jump_offset));
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Matcher<Node*> target_bytecode_matcher =
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m.IsLoad(MachineType::Uint8(), _, next_bytecode_offset_matcher);
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target_bytecode_matcher =
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c::IsChangeUint32ToWord(target_bytecode_matcher);
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Matcher<Node*> code_target_matcher = m.IsLoad(
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MachineType::Pointer(),
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c::IsParameter(InterpreterDispatchDescriptor::kDispatchTable),
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c::IsWordShl(target_bytecode_matcher,
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c::IsIntPtrConstant(kSystemPointerSizeLog2)));
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EXPECT_THAT(
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tail_call_node,
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c::IsTailCall(
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_, code_target_matcher,
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c::IsParameter(InterpreterDispatchDescriptor::kAccumulator),
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next_bytecode_offset_matcher, _,
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c::IsParameter(InterpreterDispatchDescriptor::kDispatchTable), _,
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_));
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}
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}
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}
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TARGET_TEST_F(InterpreterAssemblerTest, BytecodeOperand) {
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static const OperandScale kOperandScales[] = {
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OperandScale::kSingle, OperandScale::kDouble, OperandScale::kQuadruple};
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TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
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TRACED_FOREACH(interpreter::OperandScale, operand_scale, kOperandScales) {
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InterpreterAssemblerTestState state(this, bytecode);
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InterpreterAssemblerForTest m(&state, bytecode, operand_scale);
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int number_of_operands =
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interpreter::Bytecodes::NumberOfOperands(bytecode);
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for (int i = 0; i < number_of_operands; i++) {
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int offset = interpreter::Bytecodes::GetOperandOffset(bytecode, i,
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operand_scale);
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OperandType operand_type =
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interpreter::Bytecodes::GetOperandType(bytecode, i);
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OperandSize operand_size =
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Bytecodes::SizeOfOperand(operand_type, operand_scale);
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switch (interpreter::Bytecodes::GetOperandType(bytecode, i)) {
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case interpreter::OperandType::kRegCount:
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EXPECT_THAT(m.BytecodeOperandCount(i),
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m.IsUnsignedOperand(offset, operand_size,
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LoadSensitivity::kCritical));
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break;
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case interpreter::OperandType::kFlag8:
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EXPECT_THAT(m.BytecodeOperandFlag(i),
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m.IsUnsignedOperand(offset, operand_size,
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LoadSensitivity::kCritical));
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break;
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case interpreter::OperandType::kIdx:
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EXPECT_THAT(m.BytecodeOperandIdx(i),
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c::IsChangeUint32ToWord(m.IsUnsignedOperand(
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offset, operand_size, LoadSensitivity::kCritical)));
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break;
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case interpreter::OperandType::kNativeContextIndex:
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EXPECT_THAT(m.BytecodeOperandNativeContextIndex(i),
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c::IsChangeUint32ToWord(m.IsUnsignedOperand(
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offset, operand_size, LoadSensitivity::kCritical)));
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break;
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case interpreter::OperandType::kUImm:
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EXPECT_THAT(m.BytecodeOperandUImm(i),
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m.IsUnsignedOperand(offset, operand_size,
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LoadSensitivity::kCritical));
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break;
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case interpreter::OperandType::kImm: {
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EXPECT_THAT(m.BytecodeOperandImm(i),
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m.IsSignedOperand(offset, operand_size,
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LoadSensitivity::kCritical));
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break;
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}
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case interpreter::OperandType::kRuntimeId:
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EXPECT_THAT(m.BytecodeOperandRuntimeId(i),
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m.IsUnsignedOperand(offset, operand_size,
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LoadSensitivity::kCritical));
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break;
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case interpreter::OperandType::kIntrinsicId:
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EXPECT_THAT(m.BytecodeOperandIntrinsicId(i),
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m.IsUnsignedOperand(offset, operand_size,
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LoadSensitivity::kCritical));
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break;
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case interpreter::OperandType::kRegList:
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case interpreter::OperandType::kReg:
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case interpreter::OperandType::kRegPair:
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case interpreter::OperandType::kRegOut:
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case interpreter::OperandType::kRegOutList:
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case interpreter::OperandType::kRegOutPair:
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case interpreter::OperandType::kRegOutTriple:
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EXPECT_THAT(m.LoadRegisterAtOperandIndex(i),
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m.IsLoadRegisterOperand(offset, operand_size));
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break;
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case interpreter::OperandType::kNone:
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UNREACHABLE();
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break;
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}
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}
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}
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}
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}
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TARGET_TEST_F(InterpreterAssemblerTest, GetContext) {
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TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
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InterpreterAssemblerTestState state(this, bytecode);
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InterpreterAssemblerForTest m(&state, bytecode);
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|
EXPECT_THAT(
|
|
m.GetContext(),
|
|
IsBitcastWordToTagged(m.IsLoad(
|
|
MachineType::Pointer(), c::IsLoadParentFramePointer(),
|
|
c::IsIntPtrConstant(Register::current_context().ToOperand() *
|
|
kSystemPointerSize))));
|
|
}
|
|
}
|
|
|
|
TARGET_TEST_F(InterpreterAssemblerTest, LoadConstantPoolEntry) {
|
|
TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
|
|
InterpreterAssemblerTestState state(this, bytecode);
|
|
InterpreterAssemblerForTest m(&state, bytecode);
|
|
{
|
|
TNode<IntPtrT> index = m.IntPtrConstant(2);
|
|
Node* load_constant = m.LoadConstantPoolEntry(index);
|
|
#ifdef V8_COMPRESS_POINTERS
|
|
Matcher<Node*> constant_pool_matcher =
|
|
IsChangeCompressedToTagged(m.IsLoadFromObject(
|
|
MachineType::AnyCompressed(),
|
|
c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
|
|
c::IsIntPtrConstant(BytecodeArray::kConstantPoolOffset -
|
|
kHeapObjectTag)));
|
|
EXPECT_THAT(load_constant,
|
|
IsChangeCompressedToTagged(m.IsLoad(
|
|
MachineType::AnyCompressed(), constant_pool_matcher,
|
|
c::IsIntPtrConstant(FixedArray::OffsetOfElementAt(2) -
|
|
kHeapObjectTag),
|
|
LoadSensitivity::kCritical)));
|
|
#else
|
|
Matcher<Node*> constant_pool_matcher = m.IsLoadFromObject(
|
|
MachineType::AnyTagged(),
|
|
c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
|
|
c::IsIntPtrConstant(BytecodeArray::kConstantPoolOffset -
|
|
kHeapObjectTag));
|
|
EXPECT_THAT(
|
|
load_constant,
|
|
m.IsLoad(MachineType::AnyTagged(), constant_pool_matcher,
|
|
c::IsIntPtrConstant(FixedArray::OffsetOfElementAt(2) -
|
|
kHeapObjectTag),
|
|
LoadSensitivity::kCritical));
|
|
#endif
|
|
}
|
|
{
|
|
Node* index = m.Parameter(2);
|
|
Node* load_constant = m.LoadConstantPoolEntry(index);
|
|
#if V8_COMPRESS_POINTERS
|
|
Matcher<Node*> constant_pool_matcher =
|
|
IsChangeCompressedToTagged(m.IsLoadFromObject(
|
|
MachineType::AnyCompressed(),
|
|
c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
|
|
c::IsIntPtrConstant(BytecodeArray::kConstantPoolOffset -
|
|
kHeapObjectTag)));
|
|
EXPECT_THAT(
|
|
load_constant,
|
|
IsChangeCompressedToTagged(m.IsLoad(
|
|
MachineType::AnyCompressed(), constant_pool_matcher,
|
|
c::IsIntPtrAdd(
|
|
c::IsIntPtrConstant(FixedArray::kHeaderSize - kHeapObjectTag),
|
|
c::IsWordShl(index, c::IsIntPtrConstant(kTaggedSizeLog2))),
|
|
LoadSensitivity::kCritical)));
|
|
#else
|
|
Matcher<Node*> constant_pool_matcher = m.IsLoadFromObject(
|
|
MachineType::AnyTagged(),
|
|
c::IsParameter(InterpreterDispatchDescriptor::kBytecodeArray),
|
|
c::IsIntPtrConstant(BytecodeArray::kConstantPoolOffset -
|
|
kHeapObjectTag));
|
|
EXPECT_THAT(
|
|
load_constant,
|
|
m.IsLoad(
|
|
MachineType::AnyTagged(), constant_pool_matcher,
|
|
c::IsIntPtrAdd(
|
|
c::IsIntPtrConstant(FixedArray::kHeaderSize - kHeapObjectTag),
|
|
c::IsWordShl(index, c::IsIntPtrConstant(kTaggedSizeLog2))),
|
|
LoadSensitivity::kCritical));
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
TARGET_TEST_F(InterpreterAssemblerTest, LoadObjectField) {
|
|
TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
|
|
InterpreterAssemblerTestState state(this, bytecode);
|
|
InterpreterAssemblerForTest m(&state, bytecode);
|
|
TNode<HeapObject> object =
|
|
m.ReinterpretCast<HeapObject>(m.IntPtrConstant(0xDEADBEEF));
|
|
int offset = 16;
|
|
TNode<Object> load_field = m.LoadObjectField(object, offset);
|
|
#ifdef V8_COMPRESS_POINTERS
|
|
EXPECT_THAT(load_field, IsChangeCompressedToTagged(m.IsLoadFromObject(
|
|
MachineType::AnyCompressed(), Eq(object),
|
|
c::IsIntPtrConstant(offset - kHeapObjectTag))));
|
|
#else
|
|
EXPECT_THAT(load_field, m.IsLoadFromObject(
|
|
MachineType::AnyTagged(), Eq(object),
|
|
c::IsIntPtrConstant(offset - kHeapObjectTag)));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
TARGET_TEST_F(InterpreterAssemblerTest, CallRuntime2) {
|
|
TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
|
|
InterpreterAssemblerTestState state(this, bytecode);
|
|
InterpreterAssemblerForTest m(&state, bytecode);
|
|
TNode<Object> arg1 = m.ReinterpretCast<Object>(m.Int32Constant(2));
|
|
TNode<Object> arg2 = m.ReinterpretCast<Object>(m.Int32Constant(3));
|
|
TNode<Object> context = m.ReinterpretCast<Object>(m.Int32Constant(4));
|
|
TNode<Object> call_runtime =
|
|
m.CallRuntime(Runtime::kAdd, context, arg1, arg2);
|
|
EXPECT_THAT(call_runtime,
|
|
c::IsCall(_, _, Eq(arg1), Eq(arg2), _, c::IsInt32Constant(2),
|
|
Eq(context), _, _));
|
|
}
|
|
}
|
|
|
|
TARGET_TEST_F(InterpreterAssemblerTest, CallRuntime) {
|
|
const int kResultSizes[] = {1, 2};
|
|
TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
|
|
TRACED_FOREACH(int, result_size, kResultSizes) {
|
|
if (Bytecodes::IsCallRuntime(bytecode)) {
|
|
InterpreterAssemblerTestState state(this, bytecode);
|
|
InterpreterAssemblerForTest m(&state, bytecode);
|
|
Callable builtin =
|
|
CodeFactory::InterpreterCEntry(isolate(), result_size);
|
|
|
|
TNode<Int32T> function_id = m.Int32Constant(0);
|
|
InterpreterAssembler::RegListNodePair registers(m.IntPtrConstant(1),
|
|
m.Int32Constant(2));
|
|
TNode<Object> context = m.ReinterpretCast<Object>(m.Int32Constant(4));
|
|
|
|
Matcher<Node*> function_table = c::IsExternalConstant(
|
|
ExternalReference::runtime_function_table_address_for_unittests(
|
|
isolate()));
|
|
Matcher<Node*> function =
|
|
c::IsIntPtrAdd(function_table,
|
|
c::IsChangeUint32ToWord(c::IsInt32Mul(
|
|
Eq(function_id),
|
|
c::IsInt32Constant(sizeof(Runtime::Function)))));
|
|
Matcher<Node*> function_entry =
|
|
m.IsLoad(MachineType::Pointer(), function,
|
|
c::IsIntPtrConstant(offsetof(Runtime::Function, entry)));
|
|
|
|
Node* call_runtime =
|
|
m.CallRuntimeN(function_id, context, registers, result_size);
|
|
EXPECT_THAT(call_runtime,
|
|
c::IsCall(_, c::IsHeapConstant(builtin.code()),
|
|
Eq(registers.reg_count()),
|
|
Eq(registers.base_reg_location()), function_entry,
|
|
Eq(context), _, _));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
TARGET_TEST_F(InterpreterAssemblerTest, LoadFeedbackVector) {
|
|
TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
|
|
InterpreterAssemblerTestState state(this, bytecode);
|
|
InterpreterAssemblerForTest m(&state, bytecode);
|
|
TNode<HeapObject> feedback_vector = m.LoadFeedbackVector();
|
|
|
|
// Feedback vector is a phi node with two inputs. One of them is loading the
|
|
// feedback vector and the other is undefined constant (when feedback
|
|
// vectors aren't allocated). Find the input that loads feedback vector.
|
|
CHECK_EQ(static_cast<Node*>(feedback_vector)->opcode(),
|
|
i::compiler::IrOpcode::kPhi);
|
|
Node* value0 =
|
|
i::compiler::NodeProperties::GetValueInput(feedback_vector, 0);
|
|
Node* value1 =
|
|
i::compiler::NodeProperties::GetValueInput(feedback_vector, 1);
|
|
Node* load_feedback_vector = value0;
|
|
if (value0->opcode() == i::compiler::IrOpcode::kHeapConstant) {
|
|
load_feedback_vector = value1;
|
|
}
|
|
|
|
Matcher<Node*> load_function_matcher = IsBitcastWordToTagged(
|
|
m.IsLoad(MachineType::Pointer(), c::IsLoadParentFramePointer(),
|
|
c::IsIntPtrConstant(Register::function_closure().ToOperand() *
|
|
kSystemPointerSize)));
|
|
#ifdef V8_COMPRESS_POINTERS
|
|
Matcher<Node*> load_vector_cell_matcher =
|
|
IsChangeCompressedPointerToTaggedPointer(m.IsLoadFromObject(
|
|
MachineType::CompressedPointer(), load_function_matcher,
|
|
c::IsIntPtrConstant(JSFunction::kFeedbackCellOffset -
|
|
kHeapObjectTag)));
|
|
EXPECT_THAT(load_feedback_vector,
|
|
IsChangeCompressedPointerToTaggedPointer(m.IsLoadFromObject(
|
|
MachineType::CompressedPointer(), load_vector_cell_matcher,
|
|
c::IsIntPtrConstant(Cell::kValueOffset - kHeapObjectTag))));
|
|
#else
|
|
Matcher<Node*> load_vector_cell_matcher = m.IsLoadFromObject(
|
|
MachineType::TaggedPointer(), load_function_matcher,
|
|
c::IsIntPtrConstant(JSFunction::kFeedbackCellOffset - kHeapObjectTag));
|
|
EXPECT_THAT(load_feedback_vector,
|
|
m.IsLoadFromObject(
|
|
MachineType::TaggedPointer(), load_vector_cell_matcher,
|
|
c::IsIntPtrConstant(Cell::kValueOffset - kHeapObjectTag)));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
} // namespace interpreter_assembler_unittest
|
|
} // namespace interpreter
|
|
} // namespace internal
|
|
} // namespace v8
|