Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/compiler/instruction-selector-unittest.h" |
| 6 | |
| 7 | #include "src/compiler/compiler-test-utils.h" |
| 8 | #include "src/flags.h" |
| 9 | |
| 10 | namespace v8 { |
| 11 | namespace internal { |
| 12 | namespace compiler { |
| 13 | |
| 14 | namespace { |
| 15 | |
| 16 | typedef RawMachineAssembler::Label MLabel; |
| 17 | |
| 18 | } // namespace |
| 19 | |
| 20 | |
| 21 | InstructionSelectorTest::InstructionSelectorTest() : rng_(FLAG_random_seed) {} |
| 22 | |
| 23 | |
| 24 | InstructionSelectorTest::~InstructionSelectorTest() {} |
| 25 | |
| 26 | |
| 27 | InstructionSelectorTest::Stream InstructionSelectorTest::StreamBuilder::Build( |
| 28 | InstructionSelector::Features features, |
| 29 | InstructionSelectorTest::StreamBuilderMode mode) { |
| 30 | Schedule* schedule = Export(); |
| 31 | if (FLAG_trace_turbo) { |
| 32 | OFStream out(stdout); |
| 33 | out << "=== Schedule before instruction selection ===" << endl << *schedule; |
| 34 | } |
| 35 | EXPECT_NE(0, graph()->NodeCount()); |
| 36 | CompilationInfo info(test_->isolate(), test_->zone()); |
| 37 | Linkage linkage(&info, call_descriptor()); |
| 38 | InstructionSequence sequence(&linkage, graph(), schedule); |
| 39 | SourcePositionTable source_position_table(graph()); |
| 40 | InstructionSelector selector(&sequence, &source_position_table, features); |
| 41 | selector.SelectInstructions(); |
| 42 | if (FLAG_trace_turbo) { |
| 43 | OFStream out(stdout); |
| 44 | out << "=== Code sequence after instruction selection ===" << endl |
| 45 | << sequence; |
| 46 | } |
| 47 | Stream s; |
| 48 | std::set<int> virtual_registers; |
| 49 | for (InstructionSequence::const_iterator i = sequence.begin(); |
| 50 | i != sequence.end(); ++i) { |
| 51 | Instruction* instr = *i; |
| 52 | if (instr->opcode() < 0) continue; |
| 53 | if (mode == kTargetInstructions) { |
| 54 | switch (instr->arch_opcode()) { |
| 55 | #define CASE(Name) \ |
| 56 | case k##Name: \ |
| 57 | break; |
| 58 | TARGET_ARCH_OPCODE_LIST(CASE) |
| 59 | #undef CASE |
| 60 | default: |
| 61 | continue; |
| 62 | } |
| 63 | } |
| 64 | if (mode == kAllExceptNopInstructions && instr->arch_opcode() == kArchNop) { |
| 65 | continue; |
| 66 | } |
| 67 | for (size_t i = 0; i < instr->OutputCount(); ++i) { |
| 68 | InstructionOperand* output = instr->OutputAt(i); |
| 69 | EXPECT_NE(InstructionOperand::IMMEDIATE, output->kind()); |
| 70 | if (output->IsConstant()) { |
| 71 | s.constants_.insert(std::make_pair( |
| 72 | output->index(), sequence.GetConstant(output->index()))); |
| 73 | virtual_registers.insert(output->index()); |
| 74 | } else if (output->IsUnallocated()) { |
| 75 | virtual_registers.insert( |
| 76 | UnallocatedOperand::cast(output)->virtual_register()); |
| 77 | } |
| 78 | } |
| 79 | for (size_t i = 0; i < instr->InputCount(); ++i) { |
| 80 | InstructionOperand* input = instr->InputAt(i); |
| 81 | EXPECT_NE(InstructionOperand::CONSTANT, input->kind()); |
| 82 | if (input->IsImmediate()) { |
| 83 | s.immediates_.insert(std::make_pair( |
| 84 | input->index(), sequence.GetImmediate(input->index()))); |
| 85 | } else if (input->IsUnallocated()) { |
| 86 | virtual_registers.insert( |
| 87 | UnallocatedOperand::cast(input)->virtual_register()); |
| 88 | } |
| 89 | } |
| 90 | s.instructions_.push_back(instr); |
| 91 | } |
| 92 | for (std::set<int>::const_iterator i = virtual_registers.begin(); |
| 93 | i != virtual_registers.end(); ++i) { |
| 94 | int virtual_register = *i; |
| 95 | if (sequence.IsDouble(virtual_register)) { |
| 96 | EXPECT_FALSE(sequence.IsReference(virtual_register)); |
| 97 | s.doubles_.insert(virtual_register); |
| 98 | } |
| 99 | if (sequence.IsReference(virtual_register)) { |
| 100 | EXPECT_FALSE(sequence.IsDouble(virtual_register)); |
| 101 | s.references_.insert(virtual_register); |
| 102 | } |
| 103 | } |
| 104 | for (int i = 0; i < sequence.GetFrameStateDescriptorCount(); i++) { |
| 105 | s.deoptimization_entries_.push_back(sequence.GetFrameStateDescriptor( |
| 106 | InstructionSequence::StateId::FromInt(i))); |
| 107 | } |
| 108 | return s; |
| 109 | } |
| 110 | |
| 111 | |
| 112 | // ----------------------------------------------------------------------------- |
| 113 | // Return. |
| 114 | |
| 115 | |
| 116 | TARGET_TEST_F(InstructionSelectorTest, ReturnParameter) { |
| 117 | StreamBuilder m(this, kMachInt32, kMachInt32); |
| 118 | m.Return(m.Parameter(0)); |
| 119 | Stream s = m.Build(kAllInstructions); |
| 120 | ASSERT_EQ(2U, s.size()); |
| 121 | EXPECT_EQ(kArchNop, s[0]->arch_opcode()); |
| 122 | ASSERT_EQ(1U, s[0]->OutputCount()); |
| 123 | EXPECT_EQ(kArchRet, s[1]->arch_opcode()); |
| 124 | EXPECT_EQ(1U, s[1]->InputCount()); |
| 125 | } |
| 126 | |
| 127 | |
| 128 | TARGET_TEST_F(InstructionSelectorTest, ReturnZero) { |
| 129 | StreamBuilder m(this, kMachInt32); |
| 130 | m.Return(m.Int32Constant(0)); |
| 131 | Stream s = m.Build(kAllInstructions); |
| 132 | ASSERT_EQ(2U, s.size()); |
| 133 | EXPECT_EQ(kArchNop, s[0]->arch_opcode()); |
| 134 | ASSERT_EQ(1U, s[0]->OutputCount()); |
| 135 | EXPECT_EQ(InstructionOperand::CONSTANT, s[0]->OutputAt(0)->kind()); |
| 136 | EXPECT_EQ(0, s.ToInt32(s[0]->OutputAt(0))); |
| 137 | EXPECT_EQ(kArchRet, s[1]->arch_opcode()); |
| 138 | EXPECT_EQ(1U, s[1]->InputCount()); |
| 139 | } |
| 140 | |
| 141 | |
| 142 | // ----------------------------------------------------------------------------- |
| 143 | // Conversions. |
| 144 | |
| 145 | |
| 146 | TARGET_TEST_F(InstructionSelectorTest, TruncateFloat64ToInt32WithParameter) { |
| 147 | StreamBuilder m(this, kMachInt32, kMachFloat64); |
| 148 | m.Return(m.TruncateFloat64ToInt32(m.Parameter(0))); |
| 149 | Stream s = m.Build(kAllInstructions); |
| 150 | ASSERT_EQ(3U, s.size()); |
| 151 | EXPECT_EQ(kArchNop, s[0]->arch_opcode()); |
| 152 | EXPECT_EQ(kArchTruncateDoubleToI, s[1]->arch_opcode()); |
| 153 | EXPECT_EQ(1U, s[1]->InputCount()); |
| 154 | EXPECT_EQ(1U, s[1]->OutputCount()); |
| 155 | EXPECT_EQ(kArchRet, s[2]->arch_opcode()); |
| 156 | } |
| 157 | |
| 158 | |
| 159 | // ----------------------------------------------------------------------------- |
| 160 | // Parameters. |
| 161 | |
| 162 | |
| 163 | TARGET_TEST_F(InstructionSelectorTest, DoubleParameter) { |
| 164 | StreamBuilder m(this, kMachFloat64, kMachFloat64); |
| 165 | Node* param = m.Parameter(0); |
| 166 | m.Return(param); |
| 167 | Stream s = m.Build(kAllInstructions); |
| 168 | EXPECT_TRUE(s.IsDouble(param->id())); |
| 169 | } |
| 170 | |
| 171 | |
| 172 | TARGET_TEST_F(InstructionSelectorTest, ReferenceParameter) { |
| 173 | StreamBuilder m(this, kMachAnyTagged, kMachAnyTagged); |
| 174 | Node* param = m.Parameter(0); |
| 175 | m.Return(param); |
| 176 | Stream s = m.Build(kAllInstructions); |
| 177 | EXPECT_TRUE(s.IsReference(param->id())); |
| 178 | } |
| 179 | |
| 180 | |
| 181 | // ----------------------------------------------------------------------------- |
| 182 | // Finish. |
| 183 | |
| 184 | |
| 185 | TARGET_TEST_F(InstructionSelectorTest, Finish) { |
| 186 | StreamBuilder m(this, kMachAnyTagged, kMachAnyTagged); |
| 187 | Node* param = m.Parameter(0); |
| 188 | Node* finish = m.NewNode(m.common()->Finish(1), param, m.graph()->start()); |
| 189 | m.Return(finish); |
| 190 | Stream s = m.Build(kAllInstructions); |
| 191 | ASSERT_EQ(3U, s.size()); |
| 192 | EXPECT_EQ(kArchNop, s[0]->arch_opcode()); |
| 193 | ASSERT_EQ(1U, s[0]->OutputCount()); |
| 194 | ASSERT_TRUE(s[0]->Output()->IsUnallocated()); |
| 195 | EXPECT_EQ(param->id(), s.ToVreg(s[0]->Output())); |
| 196 | EXPECT_EQ(kArchNop, s[1]->arch_opcode()); |
| 197 | ASSERT_EQ(1U, s[1]->InputCount()); |
| 198 | ASSERT_TRUE(s[1]->InputAt(0)->IsUnallocated()); |
| 199 | EXPECT_EQ(param->id(), s.ToVreg(s[1]->InputAt(0))); |
| 200 | ASSERT_EQ(1U, s[1]->OutputCount()); |
| 201 | ASSERT_TRUE(s[1]->Output()->IsUnallocated()); |
| 202 | EXPECT_TRUE(UnallocatedOperand::cast(s[1]->Output())->HasSameAsInputPolicy()); |
| 203 | EXPECT_EQ(finish->id(), s.ToVreg(s[1]->Output())); |
| 204 | EXPECT_TRUE(s.IsReference(finish->id())); |
| 205 | } |
| 206 | |
| 207 | |
| 208 | // ----------------------------------------------------------------------------- |
| 209 | // Phi. |
| 210 | |
| 211 | |
| 212 | typedef InstructionSelectorTestWithParam<MachineType> |
| 213 | InstructionSelectorPhiTest; |
| 214 | |
| 215 | |
| 216 | TARGET_TEST_P(InstructionSelectorPhiTest, Doubleness) { |
| 217 | const MachineType type = GetParam(); |
| 218 | StreamBuilder m(this, type, type, type); |
| 219 | Node* param0 = m.Parameter(0); |
| 220 | Node* param1 = m.Parameter(1); |
| 221 | MLabel a, b, c; |
| 222 | m.Branch(m.Int32Constant(0), &a, &b); |
| 223 | m.Bind(&a); |
| 224 | m.Goto(&c); |
| 225 | m.Bind(&b); |
| 226 | m.Goto(&c); |
| 227 | m.Bind(&c); |
| 228 | Node* phi = m.Phi(type, param0, param1); |
| 229 | m.Return(phi); |
| 230 | Stream s = m.Build(kAllInstructions); |
| 231 | EXPECT_EQ(s.IsDouble(phi->id()), s.IsDouble(param0->id())); |
| 232 | EXPECT_EQ(s.IsDouble(phi->id()), s.IsDouble(param1->id())); |
| 233 | } |
| 234 | |
| 235 | |
| 236 | TARGET_TEST_P(InstructionSelectorPhiTest, Referenceness) { |
| 237 | const MachineType type = GetParam(); |
| 238 | StreamBuilder m(this, type, type, type); |
| 239 | Node* param0 = m.Parameter(0); |
| 240 | Node* param1 = m.Parameter(1); |
| 241 | MLabel a, b, c; |
| 242 | m.Branch(m.Int32Constant(1), &a, &b); |
| 243 | m.Bind(&a); |
| 244 | m.Goto(&c); |
| 245 | m.Bind(&b); |
| 246 | m.Goto(&c); |
| 247 | m.Bind(&c); |
| 248 | Node* phi = m.Phi(type, param0, param1); |
| 249 | m.Return(phi); |
| 250 | Stream s = m.Build(kAllInstructions); |
| 251 | EXPECT_EQ(s.IsReference(phi->id()), s.IsReference(param0->id())); |
| 252 | EXPECT_EQ(s.IsReference(phi->id()), s.IsReference(param1->id())); |
| 253 | } |
| 254 | |
| 255 | |
| 256 | INSTANTIATE_TEST_CASE_P(InstructionSelectorTest, InstructionSelectorPhiTest, |
| 257 | ::testing::Values(kMachFloat64, kMachInt8, kMachUint8, |
| 258 | kMachInt16, kMachUint16, kMachInt32, |
| 259 | kMachUint32, kMachInt64, kMachUint64, |
| 260 | kMachPtr, kMachAnyTagged)); |
| 261 | |
| 262 | |
| 263 | // ----------------------------------------------------------------------------- |
| 264 | // ValueEffect. |
| 265 | |
| 266 | |
| 267 | TARGET_TEST_F(InstructionSelectorTest, ValueEffect) { |
| 268 | StreamBuilder m1(this, kMachInt32, kMachPtr); |
| 269 | Node* p1 = m1.Parameter(0); |
| 270 | m1.Return(m1.Load(kMachInt32, p1, m1.Int32Constant(0))); |
| 271 | Stream s1 = m1.Build(kAllInstructions); |
| 272 | StreamBuilder m2(this, kMachInt32, kMachPtr); |
| 273 | Node* p2 = m2.Parameter(0); |
| 274 | m2.Return(m2.NewNode(m2.machine()->Load(kMachInt32), p2, m2.Int32Constant(0), |
| 275 | m2.NewNode(m2.common()->ValueEffect(1), p2))); |
| 276 | Stream s2 = m2.Build(kAllInstructions); |
| 277 | EXPECT_LE(3U, s1.size()); |
| 278 | ASSERT_EQ(s1.size(), s2.size()); |
| 279 | TRACED_FORRANGE(size_t, i, 0, s1.size() - 1) { |
| 280 | const Instruction* i1 = s1[i]; |
| 281 | const Instruction* i2 = s2[i]; |
| 282 | EXPECT_EQ(i1->arch_opcode(), i2->arch_opcode()); |
| 283 | EXPECT_EQ(i1->InputCount(), i2->InputCount()); |
| 284 | EXPECT_EQ(i1->OutputCount(), i2->OutputCount()); |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | |
| 289 | // ----------------------------------------------------------------------------- |
| 290 | // Calls with deoptimization. |
| 291 | TARGET_TEST_F(InstructionSelectorTest, CallJSFunctionWithDeopt) { |
| 292 | StreamBuilder m(this, kMachAnyTagged, kMachAnyTagged, kMachAnyTagged, |
| 293 | kMachAnyTagged); |
| 294 | |
| 295 | BailoutId bailout_id(42); |
| 296 | |
| 297 | Node* function_node = m.Parameter(0); |
| 298 | Node* receiver = m.Parameter(1); |
| 299 | Node* context = m.Parameter(2); |
| 300 | |
| 301 | Node* parameters = m.NewNode(m.common()->StateValues(1), m.Int32Constant(1)); |
| 302 | Node* locals = m.NewNode(m.common()->StateValues(0)); |
| 303 | Node* stack = m.NewNode(m.common()->StateValues(0)); |
| 304 | Node* context_dummy = m.Int32Constant(0); |
| 305 | |
| 306 | Node* state_node = m.NewNode( |
| 307 | m.common()->FrameState(JS_FRAME, bailout_id, kPushOutput), parameters, |
| 308 | locals, stack, context_dummy, m.UndefinedConstant()); |
| 309 | Node* call = m.CallJS0(function_node, receiver, context, state_node); |
| 310 | m.Return(call); |
| 311 | |
| 312 | Stream s = m.Build(kAllExceptNopInstructions); |
| 313 | |
| 314 | // Skip until kArchCallJSFunction. |
| 315 | size_t index = 0; |
| 316 | for (; index < s.size() && s[index]->arch_opcode() != kArchCallJSFunction; |
| 317 | index++) { |
| 318 | } |
| 319 | // Now we should have two instructions: call and return. |
| 320 | ASSERT_EQ(index + 2, s.size()); |
| 321 | |
| 322 | EXPECT_EQ(kArchCallJSFunction, s[index++]->arch_opcode()); |
| 323 | EXPECT_EQ(kArchRet, s[index++]->arch_opcode()); |
| 324 | |
| 325 | // TODO(jarin) Check deoptimization table. |
| 326 | } |
| 327 | |
| 328 | |
| 329 | TARGET_TEST_F(InstructionSelectorTest, CallFunctionStubWithDeopt) { |
| 330 | StreamBuilder m(this, kMachAnyTagged, kMachAnyTagged, kMachAnyTagged, |
| 331 | kMachAnyTagged); |
| 332 | |
| 333 | BailoutId bailout_id_before(42); |
| 334 | |
| 335 | // Some arguments for the call node. |
| 336 | Node* function_node = m.Parameter(0); |
| 337 | Node* receiver = m.Parameter(1); |
| 338 | Node* context = m.Int32Constant(1); // Context is ignored. |
| 339 | |
| 340 | // Build frame state for the state before the call. |
| 341 | Node* parameters = m.NewNode(m.common()->StateValues(1), m.Int32Constant(43)); |
| 342 | Node* locals = m.NewNode(m.common()->StateValues(1), m.Int32Constant(44)); |
| 343 | Node* stack = m.NewNode(m.common()->StateValues(1), m.Int32Constant(45)); |
| 344 | |
| 345 | Node* context_sentinel = m.Int32Constant(0); |
| 346 | Node* frame_state_before = m.NewNode( |
| 347 | m.common()->FrameState(JS_FRAME, bailout_id_before, kPushOutput), |
| 348 | parameters, locals, stack, context_sentinel, m.UndefinedConstant()); |
| 349 | |
| 350 | // Build the call. |
| 351 | Node* call = m.CallFunctionStub0(function_node, receiver, context, |
| 352 | frame_state_before, CALL_AS_METHOD); |
| 353 | |
| 354 | m.Return(call); |
| 355 | |
| 356 | Stream s = m.Build(kAllExceptNopInstructions); |
| 357 | |
| 358 | // Skip until kArchCallJSFunction. |
| 359 | size_t index = 0; |
| 360 | for (; index < s.size() && s[index]->arch_opcode() != kArchCallCodeObject; |
| 361 | index++) { |
| 362 | } |
| 363 | // Now we should have two instructions: call, return. |
| 364 | ASSERT_EQ(index + 2, s.size()); |
| 365 | |
| 366 | // Check the call instruction |
| 367 | const Instruction* call_instr = s[index++]; |
| 368 | EXPECT_EQ(kArchCallCodeObject, call_instr->arch_opcode()); |
| 369 | size_t num_operands = |
| 370 | 1 + // Code object. |
| 371 | 1 + |
| 372 | 4 + // Frame state deopt id + one input for each value in frame state. |
| 373 | 1 + // Function. |
| 374 | 1; // Context. |
| 375 | ASSERT_EQ(num_operands, call_instr->InputCount()); |
| 376 | |
| 377 | // Code object. |
| 378 | EXPECT_TRUE(call_instr->InputAt(0)->IsImmediate()); |
| 379 | |
| 380 | // Deoptimization id. |
| 381 | int32_t deopt_id_before = s.ToInt32(call_instr->InputAt(1)); |
| 382 | FrameStateDescriptor* desc_before = |
| 383 | s.GetFrameStateDescriptor(deopt_id_before); |
| 384 | EXPECT_EQ(bailout_id_before, desc_before->bailout_id()); |
| 385 | EXPECT_EQ(kPushOutput, desc_before->state_combine()); |
| 386 | EXPECT_EQ(1u, desc_before->parameters_count()); |
| 387 | EXPECT_EQ(1u, desc_before->locals_count()); |
| 388 | EXPECT_EQ(1u, desc_before->stack_count()); |
| 389 | EXPECT_EQ(43, s.ToInt32(call_instr->InputAt(2))); |
| 390 | EXPECT_EQ(0, s.ToInt32(call_instr->InputAt(3))); |
| 391 | EXPECT_EQ(44, s.ToInt32(call_instr->InputAt(4))); |
| 392 | EXPECT_EQ(45, s.ToInt32(call_instr->InputAt(5))); |
| 393 | |
| 394 | // Function. |
| 395 | EXPECT_EQ(function_node->id(), s.ToVreg(call_instr->InputAt(6))); |
| 396 | // Context. |
| 397 | EXPECT_EQ(context->id(), s.ToVreg(call_instr->InputAt(7))); |
| 398 | |
| 399 | EXPECT_EQ(kArchRet, s[index++]->arch_opcode()); |
| 400 | |
| 401 | EXPECT_EQ(index, s.size()); |
| 402 | } |
| 403 | |
| 404 | |
| 405 | TARGET_TEST_F(InstructionSelectorTest, |
| 406 | CallFunctionStubDeoptRecursiveFrameState) { |
| 407 | StreamBuilder m(this, kMachAnyTagged, kMachAnyTagged, kMachAnyTagged, |
| 408 | kMachAnyTagged); |
| 409 | |
| 410 | BailoutId bailout_id_before(42); |
| 411 | BailoutId bailout_id_parent(62); |
| 412 | |
| 413 | // Some arguments for the call node. |
| 414 | Node* function_node = m.Parameter(0); |
| 415 | Node* receiver = m.Parameter(1); |
| 416 | Node* context = m.Int32Constant(66); |
| 417 | |
| 418 | // Build frame state for the state before the call. |
| 419 | Node* parameters = m.NewNode(m.common()->StateValues(1), m.Int32Constant(63)); |
| 420 | Node* locals = m.NewNode(m.common()->StateValues(1), m.Int32Constant(64)); |
| 421 | Node* stack = m.NewNode(m.common()->StateValues(1), m.Int32Constant(65)); |
| 422 | Node* frame_state_parent = m.NewNode( |
| 423 | m.common()->FrameState(JS_FRAME, bailout_id_parent, kIgnoreOutput), |
| 424 | parameters, locals, stack, context, m.UndefinedConstant()); |
| 425 | |
| 426 | Node* context2 = m.Int32Constant(46); |
| 427 | Node* parameters2 = |
| 428 | m.NewNode(m.common()->StateValues(1), m.Int32Constant(43)); |
| 429 | Node* locals2 = m.NewNode(m.common()->StateValues(1), m.Int32Constant(44)); |
| 430 | Node* stack2 = m.NewNode(m.common()->StateValues(1), m.Int32Constant(45)); |
| 431 | Node* frame_state_before = m.NewNode( |
| 432 | m.common()->FrameState(JS_FRAME, bailout_id_before, kPushOutput), |
| 433 | parameters2, locals2, stack2, context2, frame_state_parent); |
| 434 | |
| 435 | // Build the call. |
| 436 | Node* call = m.CallFunctionStub0(function_node, receiver, context2, |
| 437 | frame_state_before, CALL_AS_METHOD); |
| 438 | |
| 439 | m.Return(call); |
| 440 | |
| 441 | Stream s = m.Build(kAllExceptNopInstructions); |
| 442 | |
| 443 | // Skip until kArchCallJSFunction. |
| 444 | size_t index = 0; |
| 445 | for (; index < s.size() && s[index]->arch_opcode() != kArchCallCodeObject; |
| 446 | index++) { |
| 447 | } |
| 448 | // Now we should have three instructions: call, return. |
| 449 | EXPECT_EQ(index + 2, s.size()); |
| 450 | |
| 451 | // Check the call instruction |
| 452 | const Instruction* call_instr = s[index++]; |
| 453 | EXPECT_EQ(kArchCallCodeObject, call_instr->arch_opcode()); |
| 454 | size_t num_operands = |
| 455 | 1 + // Code object. |
| 456 | 1 + // Frame state deopt id |
| 457 | 4 + // One input for each value in frame state + context. |
| 458 | 4 + // One input for each value in the parent frame state + context. |
| 459 | 1 + // Function. |
| 460 | 1; // Context. |
| 461 | EXPECT_EQ(num_operands, call_instr->InputCount()); |
| 462 | // Code object. |
| 463 | EXPECT_TRUE(call_instr->InputAt(0)->IsImmediate()); |
| 464 | |
| 465 | // Deoptimization id. |
| 466 | int32_t deopt_id_before = s.ToInt32(call_instr->InputAt(1)); |
| 467 | FrameStateDescriptor* desc_before = |
| 468 | s.GetFrameStateDescriptor(deopt_id_before); |
| 469 | EXPECT_EQ(bailout_id_before, desc_before->bailout_id()); |
| 470 | EXPECT_EQ(1u, desc_before->parameters_count()); |
| 471 | EXPECT_EQ(1u, desc_before->locals_count()); |
| 472 | EXPECT_EQ(1u, desc_before->stack_count()); |
| 473 | EXPECT_EQ(63, s.ToInt32(call_instr->InputAt(2))); |
| 474 | // Context: |
| 475 | EXPECT_EQ(66, s.ToInt32(call_instr->InputAt(3))); |
| 476 | EXPECT_EQ(64, s.ToInt32(call_instr->InputAt(4))); |
| 477 | EXPECT_EQ(65, s.ToInt32(call_instr->InputAt(5))); |
| 478 | // Values from parent environment should follow. |
| 479 | EXPECT_EQ(43, s.ToInt32(call_instr->InputAt(6))); |
| 480 | EXPECT_EQ(46, s.ToInt32(call_instr->InputAt(7))); |
| 481 | EXPECT_EQ(44, s.ToInt32(call_instr->InputAt(8))); |
| 482 | EXPECT_EQ(45, s.ToInt32(call_instr->InputAt(9))); |
| 483 | |
| 484 | // Function. |
| 485 | EXPECT_EQ(function_node->id(), s.ToVreg(call_instr->InputAt(10))); |
| 486 | // Context. |
| 487 | EXPECT_EQ(context2->id(), s.ToVreg(call_instr->InputAt(11))); |
| 488 | // Continuation. |
| 489 | |
| 490 | EXPECT_EQ(kArchRet, s[index++]->arch_opcode()); |
| 491 | EXPECT_EQ(index, s.size()); |
| 492 | } |
| 493 | |
| 494 | } // namespace compiler |
| 495 | } // namespace internal |
| 496 | } // namespace v8 |