09e4a11b25
Review-Url: https://codereview.chromium.org/2546113002 Cr-Commit-Position: refs/heads/master@{#41469}
607 lines
22 KiB
C++
607 lines
22 KiB
C++
// Copyright 2014 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.
|
|
|
|
#include "test/unittests/compiler/instruction-selector-unittest.h"
|
|
|
|
#include "src/code-factory.h"
|
|
#include "src/compiler/compiler-source-position-table.h"
|
|
#include "src/compiler/graph.h"
|
|
#include "src/compiler/schedule.h"
|
|
#include "src/flags.h"
|
|
#include "test/unittests/compiler/compiler-test-utils.h"
|
|
|
|
namespace v8 {
|
|
namespace internal {
|
|
namespace compiler {
|
|
|
|
|
|
InstructionSelectorTest::InstructionSelectorTest() : rng_(FLAG_random_seed) {}
|
|
|
|
|
|
InstructionSelectorTest::~InstructionSelectorTest() {}
|
|
|
|
|
|
InstructionSelectorTest::Stream InstructionSelectorTest::StreamBuilder::Build(
|
|
InstructionSelector::Features features,
|
|
InstructionSelectorTest::StreamBuilderMode mode,
|
|
InstructionSelector::SourcePositionMode source_position_mode) {
|
|
Schedule* schedule = Export();
|
|
if (FLAG_trace_turbo) {
|
|
OFStream out(stdout);
|
|
out << "=== Schedule before instruction selection ===" << std::endl
|
|
<< *schedule;
|
|
}
|
|
size_t const node_count = graph()->NodeCount();
|
|
EXPECT_NE(0u, node_count);
|
|
Linkage linkage(call_descriptor());
|
|
InstructionBlocks* instruction_blocks =
|
|
InstructionSequence::InstructionBlocksFor(test_->zone(), schedule);
|
|
InstructionSequence sequence(test_->isolate(), test_->zone(),
|
|
instruction_blocks);
|
|
SourcePositionTable source_position_table(graph());
|
|
InstructionSelector selector(test_->zone(), node_count, &linkage, &sequence,
|
|
schedule, &source_position_table, nullptr,
|
|
source_position_mode, features,
|
|
InstructionSelector::kDisableScheduling);
|
|
selector.SelectInstructions();
|
|
if (FLAG_trace_turbo) {
|
|
OFStream out(stdout);
|
|
PrintableInstructionSequence printable = {RegisterConfiguration::Turbofan(),
|
|
&sequence};
|
|
out << "=== Code sequence after instruction selection ===" << std::endl
|
|
<< printable;
|
|
}
|
|
Stream s;
|
|
s.virtual_registers_ = selector.GetVirtualRegistersForTesting();
|
|
// Map virtual registers.
|
|
for (Instruction* const instr : sequence) {
|
|
if (instr->opcode() < 0) continue;
|
|
if (mode == kTargetInstructions) {
|
|
switch (instr->arch_opcode()) {
|
|
#define CASE(Name) \
|
|
case k##Name: \
|
|
break;
|
|
TARGET_ARCH_OPCODE_LIST(CASE)
|
|
#undef CASE
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
if (mode == kAllExceptNopInstructions && instr->arch_opcode() == kArchNop) {
|
|
continue;
|
|
}
|
|
for (size_t i = 0; i < instr->OutputCount(); ++i) {
|
|
InstructionOperand* output = instr->OutputAt(i);
|
|
EXPECT_NE(InstructionOperand::IMMEDIATE, output->kind());
|
|
if (output->IsConstant()) {
|
|
int vreg = ConstantOperand::cast(output)->virtual_register();
|
|
s.constants_.insert(std::make_pair(vreg, sequence.GetConstant(vreg)));
|
|
}
|
|
}
|
|
for (size_t i = 0; i < instr->InputCount(); ++i) {
|
|
InstructionOperand* input = instr->InputAt(i);
|
|
EXPECT_NE(InstructionOperand::CONSTANT, input->kind());
|
|
if (input->IsImmediate()) {
|
|
auto imm = ImmediateOperand::cast(input);
|
|
if (imm->type() == ImmediateOperand::INDEXED) {
|
|
int index = imm->indexed_value();
|
|
s.immediates_.insert(
|
|
std::make_pair(index, sequence.GetImmediate(imm)));
|
|
}
|
|
}
|
|
}
|
|
s.instructions_.push_back(instr);
|
|
}
|
|
for (auto i : s.virtual_registers_) {
|
|
int const virtual_register = i.second;
|
|
if (sequence.IsFP(virtual_register)) {
|
|
EXPECT_FALSE(sequence.IsReference(virtual_register));
|
|
s.doubles_.insert(virtual_register);
|
|
}
|
|
if (sequence.IsReference(virtual_register)) {
|
|
EXPECT_FALSE(sequence.IsFP(virtual_register));
|
|
s.references_.insert(virtual_register);
|
|
}
|
|
}
|
|
for (int i = 0; i < sequence.GetDeoptimizationEntryCount(); i++) {
|
|
s.deoptimization_entries_.push_back(
|
|
sequence.GetDeoptimizationEntry(i).descriptor());
|
|
}
|
|
return s;
|
|
}
|
|
|
|
|
|
int InstructionSelectorTest::Stream::ToVreg(const Node* node) const {
|
|
VirtualRegisters::const_iterator i = virtual_registers_.find(node->id());
|
|
CHECK(i != virtual_registers_.end());
|
|
return i->second;
|
|
}
|
|
|
|
|
|
bool InstructionSelectorTest::Stream::IsFixed(const InstructionOperand* operand,
|
|
Register reg) const {
|
|
if (!operand->IsUnallocated()) return false;
|
|
const UnallocatedOperand* unallocated = UnallocatedOperand::cast(operand);
|
|
if (!unallocated->HasFixedRegisterPolicy()) return false;
|
|
return unallocated->fixed_register_index() == reg.code();
|
|
}
|
|
|
|
|
|
bool InstructionSelectorTest::Stream::IsSameAsFirst(
|
|
const InstructionOperand* operand) const {
|
|
if (!operand->IsUnallocated()) return false;
|
|
const UnallocatedOperand* unallocated = UnallocatedOperand::cast(operand);
|
|
return unallocated->HasSameAsInputPolicy();
|
|
}
|
|
|
|
|
|
bool InstructionSelectorTest::Stream::IsUsedAtStart(
|
|
const InstructionOperand* operand) const {
|
|
if (!operand->IsUnallocated()) return false;
|
|
const UnallocatedOperand* unallocated = UnallocatedOperand::cast(operand);
|
|
return unallocated->IsUsedAtStart();
|
|
}
|
|
|
|
|
|
const FrameStateFunctionInfo*
|
|
InstructionSelectorTest::StreamBuilder::GetFrameStateFunctionInfo(
|
|
int parameter_count, int local_count) {
|
|
return common()->CreateFrameStateFunctionInfo(
|
|
FrameStateType::kJavaScriptFunction, parameter_count, local_count,
|
|
Handle<SharedFunctionInfo>());
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Return.
|
|
|
|
|
|
TARGET_TEST_F(InstructionSelectorTest, ReturnFloat32Constant) {
|
|
const float kValue = 4.2f;
|
|
StreamBuilder m(this, MachineType::Float32());
|
|
m.Return(m.Float32Constant(kValue));
|
|
Stream s = m.Build(kAllInstructions);
|
|
ASSERT_EQ(3U, s.size());
|
|
EXPECT_EQ(kArchNop, s[0]->arch_opcode());
|
|
ASSERT_EQ(InstructionOperand::CONSTANT, s[0]->OutputAt(0)->kind());
|
|
EXPECT_FLOAT_EQ(kValue, s.ToFloat32(s[0]->OutputAt(0)));
|
|
EXPECT_EQ(kArchRet, s[1]->arch_opcode());
|
|
EXPECT_EQ(2U, s[1]->InputCount());
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(InstructionSelectorTest, ReturnParameter) {
|
|
StreamBuilder m(this, MachineType::Int32(), MachineType::Int32());
|
|
m.Return(m.Parameter(0));
|
|
Stream s = m.Build(kAllInstructions);
|
|
ASSERT_EQ(3U, s.size());
|
|
EXPECT_EQ(kArchNop, s[0]->arch_opcode());
|
|
ASSERT_EQ(1U, s[0]->OutputCount());
|
|
EXPECT_EQ(kArchRet, s[1]->arch_opcode());
|
|
EXPECT_EQ(2U, s[1]->InputCount());
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(InstructionSelectorTest, ReturnZero) {
|
|
StreamBuilder m(this, MachineType::Int32());
|
|
m.Return(m.Int32Constant(0));
|
|
Stream s = m.Build(kAllInstructions);
|
|
ASSERT_EQ(3U, s.size());
|
|
EXPECT_EQ(kArchNop, s[0]->arch_opcode());
|
|
ASSERT_EQ(1U, s[0]->OutputCount());
|
|
EXPECT_EQ(InstructionOperand::CONSTANT, s[0]->OutputAt(0)->kind());
|
|
EXPECT_EQ(0, s.ToInt32(s[0]->OutputAt(0)));
|
|
EXPECT_EQ(kArchRet, s[1]->arch_opcode());
|
|
EXPECT_EQ(2U, s[1]->InputCount());
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Conversions.
|
|
|
|
TARGET_TEST_F(InstructionSelectorTest, TruncateFloat64ToWord32WithParameter) {
|
|
StreamBuilder m(this, MachineType::Int32(), MachineType::Float64());
|
|
m.Return(m.TruncateFloat64ToWord32(m.Parameter(0)));
|
|
Stream s = m.Build(kAllInstructions);
|
|
ASSERT_EQ(4U, s.size());
|
|
EXPECT_EQ(kArchNop, s[0]->arch_opcode());
|
|
EXPECT_EQ(kArchTruncateDoubleToI, s[1]->arch_opcode());
|
|
EXPECT_EQ(1U, s[1]->InputCount());
|
|
EXPECT_EQ(1U, s[1]->OutputCount());
|
|
EXPECT_EQ(kArchRet, s[2]->arch_opcode());
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Parameters.
|
|
|
|
|
|
TARGET_TEST_F(InstructionSelectorTest, DoubleParameter) {
|
|
StreamBuilder m(this, MachineType::Float64(), MachineType::Float64());
|
|
Node* param = m.Parameter(0);
|
|
m.Return(param);
|
|
Stream s = m.Build(kAllInstructions);
|
|
EXPECT_TRUE(s.IsDouble(param));
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(InstructionSelectorTest, ReferenceParameter) {
|
|
StreamBuilder m(this, MachineType::AnyTagged(), MachineType::AnyTagged());
|
|
Node* param = m.Parameter(0);
|
|
m.Return(param);
|
|
Stream s = m.Build(kAllInstructions);
|
|
EXPECT_TRUE(s.IsReference(param));
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// FinishRegion.
|
|
|
|
|
|
TARGET_TEST_F(InstructionSelectorTest, FinishRegion) {
|
|
StreamBuilder m(this, MachineType::AnyTagged(), MachineType::AnyTagged());
|
|
Node* param = m.Parameter(0);
|
|
Node* finish =
|
|
m.AddNode(m.common()->FinishRegion(), param, m.graph()->start());
|
|
m.Return(finish);
|
|
Stream s = m.Build(kAllInstructions);
|
|
ASSERT_EQ(3U, s.size());
|
|
EXPECT_EQ(kArchNop, s[0]->arch_opcode());
|
|
ASSERT_EQ(1U, s[0]->OutputCount());
|
|
ASSERT_TRUE(s[0]->Output()->IsUnallocated());
|
|
EXPECT_EQ(kArchRet, s[1]->arch_opcode());
|
|
EXPECT_EQ(s.ToVreg(param), s.ToVreg(s[0]->Output()));
|
|
EXPECT_EQ(s.ToVreg(param), s.ToVreg(s[1]->InputAt(1)));
|
|
EXPECT_TRUE(s.IsReference(finish));
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Phi.
|
|
|
|
|
|
typedef InstructionSelectorTestWithParam<MachineType>
|
|
InstructionSelectorPhiTest;
|
|
|
|
|
|
TARGET_TEST_P(InstructionSelectorPhiTest, Doubleness) {
|
|
const MachineType type = GetParam();
|
|
StreamBuilder m(this, type, type, type);
|
|
Node* param0 = m.Parameter(0);
|
|
Node* param1 = m.Parameter(1);
|
|
RawMachineLabel a, b, c;
|
|
m.Branch(m.Int32Constant(0), &a, &b);
|
|
m.Bind(&a);
|
|
m.Goto(&c);
|
|
m.Bind(&b);
|
|
m.Goto(&c);
|
|
m.Bind(&c);
|
|
Node* phi = m.Phi(type.representation(), param0, param1);
|
|
m.Return(phi);
|
|
Stream s = m.Build(kAllInstructions);
|
|
EXPECT_EQ(s.IsDouble(phi), s.IsDouble(param0));
|
|
EXPECT_EQ(s.IsDouble(phi), s.IsDouble(param1));
|
|
}
|
|
|
|
|
|
TARGET_TEST_P(InstructionSelectorPhiTest, Referenceness) {
|
|
const MachineType type = GetParam();
|
|
StreamBuilder m(this, type, type, type);
|
|
Node* param0 = m.Parameter(0);
|
|
Node* param1 = m.Parameter(1);
|
|
RawMachineLabel a, b, c;
|
|
m.Branch(m.Int32Constant(1), &a, &b);
|
|
m.Bind(&a);
|
|
m.Goto(&c);
|
|
m.Bind(&b);
|
|
m.Goto(&c);
|
|
m.Bind(&c);
|
|
Node* phi = m.Phi(type.representation(), param0, param1);
|
|
m.Return(phi);
|
|
Stream s = m.Build(kAllInstructions);
|
|
EXPECT_EQ(s.IsReference(phi), s.IsReference(param0));
|
|
EXPECT_EQ(s.IsReference(phi), s.IsReference(param1));
|
|
}
|
|
|
|
|
|
INSTANTIATE_TEST_CASE_P(
|
|
InstructionSelectorTest, InstructionSelectorPhiTest,
|
|
::testing::Values(MachineType::Float64(), MachineType::Int8(),
|
|
MachineType::Uint8(), MachineType::Int16(),
|
|
MachineType::Uint16(), MachineType::Int32(),
|
|
MachineType::Uint32(), MachineType::Int64(),
|
|
MachineType::Uint64(), MachineType::Pointer(),
|
|
MachineType::AnyTagged()));
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// ValueEffect.
|
|
|
|
|
|
TARGET_TEST_F(InstructionSelectorTest, ValueEffect) {
|
|
StreamBuilder m1(this, MachineType::Int32(), MachineType::Pointer());
|
|
Node* p1 = m1.Parameter(0);
|
|
m1.Return(m1.Load(MachineType::Int32(), p1, m1.Int32Constant(0)));
|
|
Stream s1 = m1.Build(kAllInstructions);
|
|
StreamBuilder m2(this, MachineType::Int32(), MachineType::Pointer());
|
|
Node* p2 = m2.Parameter(0);
|
|
m2.Return(m2.AddNode(
|
|
m2.machine()->Load(MachineType::Int32()), p2, m2.Int32Constant(0),
|
|
m2.AddNode(m2.common()->BeginRegion(RegionObservability::kObservable),
|
|
m2.graph()->start())));
|
|
Stream s2 = m2.Build(kAllInstructions);
|
|
EXPECT_LE(3U, s1.size());
|
|
ASSERT_EQ(s1.size(), s2.size());
|
|
TRACED_FORRANGE(size_t, i, 0, s1.size() - 1) {
|
|
const Instruction* i1 = s1[i];
|
|
const Instruction* i2 = s2[i];
|
|
EXPECT_EQ(i1->arch_opcode(), i2->arch_opcode());
|
|
EXPECT_EQ(i1->InputCount(), i2->InputCount());
|
|
EXPECT_EQ(i1->OutputCount(), i2->OutputCount());
|
|
}
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Calls with deoptimization.
|
|
|
|
|
|
TARGET_TEST_F(InstructionSelectorTest, CallJSFunctionWithDeopt) {
|
|
StreamBuilder m(this, MachineType::AnyTagged(), MachineType::AnyTagged(),
|
|
MachineType::AnyTagged(), MachineType::AnyTagged());
|
|
|
|
BailoutId bailout_id(42);
|
|
|
|
Node* function_node = m.Parameter(0);
|
|
Node* receiver = m.Parameter(1);
|
|
Node* context = m.Parameter(2);
|
|
|
|
ZoneVector<MachineType> int32_type(1, MachineType::Int32(), zone());
|
|
ZoneVector<MachineType> empty_types(zone());
|
|
|
|
CallDescriptor* descriptor = Linkage::GetJSCallDescriptor(
|
|
zone(), false, 1, CallDescriptor::kNeedsFrameState);
|
|
|
|
// Build frame state for the state before the call.
|
|
Node* parameters =
|
|
m.AddNode(m.common()->TypedStateValues(&int32_type), m.Int32Constant(1));
|
|
Node* locals = m.AddNode(m.common()->TypedStateValues(&empty_types));
|
|
Node* stack = m.AddNode(m.common()->TypedStateValues(&empty_types));
|
|
Node* context_sentinel = m.Int32Constant(0);
|
|
Node* state_node = m.AddNode(
|
|
m.common()->FrameState(bailout_id, OutputFrameStateCombine::Push(),
|
|
m.GetFrameStateFunctionInfo(1, 0)),
|
|
parameters, locals, stack, context_sentinel, function_node,
|
|
m.UndefinedConstant());
|
|
|
|
// Build the call.
|
|
Node* args[] = {receiver, m.UndefinedConstant(), m.Int32Constant(1), context};
|
|
Node* call =
|
|
m.CallNWithFrameState(descriptor, function_node, args, state_node);
|
|
m.Return(call);
|
|
|
|
Stream s = m.Build(kAllExceptNopInstructions);
|
|
|
|
// Skip until kArchCallJSFunction.
|
|
size_t index = 0;
|
|
for (; index < s.size() && s[index]->arch_opcode() != kArchCallJSFunction;
|
|
index++) {
|
|
}
|
|
// Now we should have two instructions: call and return.
|
|
ASSERT_EQ(index + 2, s.size());
|
|
|
|
EXPECT_EQ(kArchCallJSFunction, s[index++]->arch_opcode());
|
|
EXPECT_EQ(kArchRet, s[index++]->arch_opcode());
|
|
|
|
// TODO(jarin) Check deoptimization table.
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(InstructionSelectorTest, CallStubWithDeopt) {
|
|
StreamBuilder m(this, MachineType::AnyTagged(), MachineType::AnyTagged(),
|
|
MachineType::AnyTagged(), MachineType::AnyTagged());
|
|
|
|
BailoutId bailout_id_before(42);
|
|
|
|
// Some arguments for the call node.
|
|
Node* function_node = m.Parameter(0);
|
|
Node* receiver = m.Parameter(1);
|
|
Node* context = m.Int32Constant(1); // Context is ignored.
|
|
|
|
ZoneVector<MachineType> int32_type(1, MachineType::Int32(), zone());
|
|
ZoneVector<MachineType> float64_type(1, MachineType::Float64(), zone());
|
|
ZoneVector<MachineType> tagged_type(1, MachineType::AnyTagged(), zone());
|
|
|
|
Callable callable = CodeFactory::ToObject(isolate());
|
|
CallDescriptor* descriptor = Linkage::GetStubCallDescriptor(
|
|
isolate(), zone(), callable.descriptor(), 1,
|
|
CallDescriptor::kNeedsFrameState, Operator::kNoProperties);
|
|
|
|
// Build frame state for the state before the call.
|
|
Node* parameters =
|
|
m.AddNode(m.common()->TypedStateValues(&int32_type), m.Int32Constant(43));
|
|
Node* locals = m.AddNode(m.common()->TypedStateValues(&float64_type),
|
|
m.Float64Constant(0.5));
|
|
Node* stack = m.AddNode(m.common()->TypedStateValues(&tagged_type),
|
|
m.UndefinedConstant());
|
|
Node* context_sentinel = m.Int32Constant(0);
|
|
Node* state_node = m.AddNode(
|
|
m.common()->FrameState(bailout_id_before, OutputFrameStateCombine::Push(),
|
|
m.GetFrameStateFunctionInfo(1, 1)),
|
|
parameters, locals, stack, context_sentinel, function_node,
|
|
m.UndefinedConstant());
|
|
|
|
// Build the call.
|
|
Node* args[] = {function_node, receiver, context};
|
|
Node* stub_code = m.HeapConstant(callable.code());
|
|
Node* call = m.CallNWithFrameState(descriptor, stub_code, args, state_node);
|
|
m.Return(call);
|
|
|
|
Stream s = m.Build(kAllExceptNopInstructions);
|
|
|
|
// Skip until kArchCallJSFunction.
|
|
size_t index = 0;
|
|
for (; index < s.size() && s[index]->arch_opcode() != kArchCallCodeObject;
|
|
index++) {
|
|
}
|
|
// Now we should have two instructions: call, return.
|
|
ASSERT_EQ(index + 2, s.size());
|
|
|
|
// Check the call instruction
|
|
const Instruction* call_instr = s[index++];
|
|
EXPECT_EQ(kArchCallCodeObject, call_instr->arch_opcode());
|
|
size_t num_operands =
|
|
1 + // Code object.
|
|
1 +
|
|
5 + // Frame state deopt id + one input for each value in frame state.
|
|
1 + // Function.
|
|
1; // Context.
|
|
ASSERT_EQ(num_operands, call_instr->InputCount());
|
|
|
|
// Code object.
|
|
EXPECT_TRUE(call_instr->InputAt(0)->IsImmediate());
|
|
|
|
// Deoptimization id.
|
|
int32_t deopt_id_before = s.ToInt32(call_instr->InputAt(1));
|
|
FrameStateDescriptor* desc_before =
|
|
s.GetFrameStateDescriptor(deopt_id_before);
|
|
EXPECT_EQ(bailout_id_before, desc_before->bailout_id());
|
|
EXPECT_EQ(OutputFrameStateCombine::kPushOutput,
|
|
desc_before->state_combine().kind());
|
|
EXPECT_EQ(1u, desc_before->parameters_count());
|
|
EXPECT_EQ(1u, desc_before->locals_count());
|
|
EXPECT_EQ(1u, desc_before->stack_count());
|
|
EXPECT_EQ(43, s.ToInt32(call_instr->InputAt(3)));
|
|
EXPECT_EQ(0, s.ToInt32(call_instr->InputAt(4))); // This should be a context.
|
|
// We inserted 0 here.
|
|
EXPECT_EQ(0.5, s.ToFloat64(call_instr->InputAt(5)));
|
|
EXPECT_TRUE(s.ToHeapObject(call_instr->InputAt(6))->IsUndefined(isolate()));
|
|
|
|
// Function.
|
|
EXPECT_EQ(s.ToVreg(function_node), s.ToVreg(call_instr->InputAt(7)));
|
|
// Context.
|
|
EXPECT_EQ(s.ToVreg(context), s.ToVreg(call_instr->InputAt(8)));
|
|
|
|
EXPECT_EQ(kArchRet, s[index++]->arch_opcode());
|
|
|
|
EXPECT_EQ(index, s.size());
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(InstructionSelectorTest, CallStubWithDeoptRecursiveFrameState) {
|
|
StreamBuilder m(this, MachineType::AnyTagged(), MachineType::AnyTagged(),
|
|
MachineType::AnyTagged(), MachineType::AnyTagged());
|
|
|
|
BailoutId bailout_id_before(42);
|
|
BailoutId bailout_id_parent(62);
|
|
|
|
// Some arguments for the call node.
|
|
Node* function_node = m.Parameter(0);
|
|
Node* receiver = m.Parameter(1);
|
|
Node* context = m.Int32Constant(66);
|
|
Node* context2 = m.Int32Constant(46);
|
|
|
|
ZoneVector<MachineType> int32_type(1, MachineType::Int32(), zone());
|
|
ZoneVector<MachineType> int32x2_type(2, MachineType::Int32(), zone());
|
|
ZoneVector<MachineType> float64_type(1, MachineType::Float64(), zone());
|
|
|
|
Callable callable = CodeFactory::ToObject(isolate());
|
|
CallDescriptor* descriptor = Linkage::GetStubCallDescriptor(
|
|
isolate(), zone(), callable.descriptor(), 1,
|
|
CallDescriptor::kNeedsFrameState, Operator::kNoProperties);
|
|
|
|
// Build frame state for the state before the call.
|
|
Node* parameters =
|
|
m.AddNode(m.common()->TypedStateValues(&int32_type), m.Int32Constant(63));
|
|
Node* locals =
|
|
m.AddNode(m.common()->TypedStateValues(&int32_type), m.Int32Constant(64));
|
|
Node* stack =
|
|
m.AddNode(m.common()->TypedStateValues(&int32_type), m.Int32Constant(65));
|
|
Node* frame_state_parent = m.AddNode(
|
|
m.common()->FrameState(bailout_id_parent,
|
|
OutputFrameStateCombine::Ignore(),
|
|
m.GetFrameStateFunctionInfo(1, 1)),
|
|
parameters, locals, stack, context, function_node, m.UndefinedConstant());
|
|
|
|
Node* parameters2 =
|
|
m.AddNode(m.common()->TypedStateValues(&int32_type), m.Int32Constant(43));
|
|
Node* locals2 = m.AddNode(m.common()->TypedStateValues(&float64_type),
|
|
m.Float64Constant(0.25));
|
|
Node* stack2 = m.AddNode(m.common()->TypedStateValues(&int32x2_type),
|
|
m.Int32Constant(44), m.Int32Constant(45));
|
|
Node* state_node = m.AddNode(
|
|
m.common()->FrameState(bailout_id_before, OutputFrameStateCombine::Push(),
|
|
m.GetFrameStateFunctionInfo(1, 1)),
|
|
parameters2, locals2, stack2, context2, function_node,
|
|
frame_state_parent);
|
|
|
|
// Build the call.
|
|
Node* args[] = {function_node, receiver, context2};
|
|
Node* stub_code = m.HeapConstant(callable.code());
|
|
Node* call = m.CallNWithFrameState(descriptor, stub_code, args, state_node);
|
|
m.Return(call);
|
|
|
|
Stream s = m.Build(kAllExceptNopInstructions);
|
|
|
|
// Skip until kArchCallJSFunction.
|
|
size_t index = 0;
|
|
for (; index < s.size() && s[index]->arch_opcode() != kArchCallCodeObject;
|
|
index++) {
|
|
}
|
|
// Now we should have three instructions: call, return.
|
|
EXPECT_EQ(index + 2, s.size());
|
|
|
|
// Check the call instruction
|
|
const Instruction* call_instr = s[index++];
|
|
EXPECT_EQ(kArchCallCodeObject, call_instr->arch_opcode());
|
|
size_t num_operands =
|
|
1 + // Code object.
|
|
1 + // Frame state deopt id
|
|
6 + // One input for each value in frame state + context.
|
|
5 + // One input for each value in the parent frame state + context.
|
|
1 + // Function.
|
|
1; // Context.
|
|
EXPECT_EQ(num_operands, call_instr->InputCount());
|
|
// Code object.
|
|
EXPECT_TRUE(call_instr->InputAt(0)->IsImmediate());
|
|
|
|
// Deoptimization id.
|
|
int32_t deopt_id_before = s.ToInt32(call_instr->InputAt(1));
|
|
FrameStateDescriptor* desc_before =
|
|
s.GetFrameStateDescriptor(deopt_id_before);
|
|
FrameStateDescriptor* desc_before_outer = desc_before->outer_state();
|
|
EXPECT_EQ(bailout_id_before, desc_before->bailout_id());
|
|
EXPECT_EQ(1u, desc_before_outer->parameters_count());
|
|
EXPECT_EQ(1u, desc_before_outer->locals_count());
|
|
EXPECT_EQ(1u, desc_before_outer->stack_count());
|
|
// Values from parent environment.
|
|
EXPECT_EQ(63, s.ToInt32(call_instr->InputAt(3)));
|
|
// Context:
|
|
EXPECT_EQ(66, s.ToInt32(call_instr->InputAt(4)));
|
|
EXPECT_EQ(64, s.ToInt32(call_instr->InputAt(5)));
|
|
EXPECT_EQ(65, s.ToInt32(call_instr->InputAt(6)));
|
|
// Values from the nested frame.
|
|
EXPECT_EQ(1u, desc_before->parameters_count());
|
|
EXPECT_EQ(1u, desc_before->locals_count());
|
|
EXPECT_EQ(2u, desc_before->stack_count());
|
|
EXPECT_EQ(43, s.ToInt32(call_instr->InputAt(8)));
|
|
EXPECT_EQ(46, s.ToInt32(call_instr->InputAt(9)));
|
|
EXPECT_EQ(0.25, s.ToFloat64(call_instr->InputAt(10)));
|
|
EXPECT_EQ(44, s.ToInt32(call_instr->InputAt(11)));
|
|
EXPECT_EQ(45, s.ToInt32(call_instr->InputAt(12)));
|
|
|
|
// Function.
|
|
EXPECT_EQ(s.ToVreg(function_node), s.ToVreg(call_instr->InputAt(13)));
|
|
// Context.
|
|
EXPECT_EQ(s.ToVreg(context2), s.ToVreg(call_instr->InputAt(14)));
|
|
// Continuation.
|
|
|
|
EXPECT_EQ(kArchRet, s[index++]->arch_opcode());
|
|
EXPECT_EQ(index, s.size());
|
|
}
|
|
|
|
} // namespace compiler
|
|
} // namespace internal
|
|
} // namespace v8
|