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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include <limits> | 5 #include <limits> |
| 6 | 6 |
| 7 #include "src/compiler/control-builders.h" | 7 #include "src/compiler/control-builders.h" |
| 8 #include "src/compiler/generic-node-inl.h" | 8 #include "src/compiler/generic-node-inl.h" |
| 9 #include "src/compiler/node-properties-inl.h" | 9 #include "src/compiler/node-properties-inl.h" |
| 10 #include "src/compiler/pipeline.h" | 10 #include "src/compiler/pipeline.h" |
| 11 #include "src/compiler/simplified-lowering.h" | 11 #include "src/compiler/simplified-lowering.h" |
| 12 #include "src/compiler/simplified-node-factory.h" | 12 #include "src/compiler/simplified-node-factory.h" |
| 13 #include "src/compiler/typer.h" | 13 #include "src/compiler/typer.h" |
| 14 #include "src/compiler/verifier.h" | 14 #include "src/compiler/verifier.h" |
| 15 #include "src/execution.h" | 15 #include "src/execution.h" |
| 16 #include "src/parser.h" | 16 #include "src/parser.h" |
| 17 #include "src/rewriter.h" | 17 #include "src/rewriter.h" |
| 18 #include "src/scopes.h" | 18 #include "src/scopes.h" |
| 19 #include "test/cctest/cctest.h" | 19 #include "test/cctest/cctest.h" |
| 20 #include "test/cctest/compiler/codegen-tester.h" | 20 #include "test/cctest/compiler/codegen-tester.h" |
| 21 #include "test/cctest/compiler/graph-builder-tester.h" | 21 #include "test/cctest/compiler/graph-builder-tester.h" |
| 22 #include "test/cctest/compiler/value-helper.h" | 22 #include "test/cctest/compiler/value-helper.h" |
| 23 | 23 |
| 24 using namespace v8::internal; | 24 using namespace v8::internal; |
| 25 using namespace v8::internal::compiler; | 25 using namespace v8::internal::compiler; |
| 26 | 26 |
| 27 template <typename ReturnType> | 27 template <typename ReturnType> |
| 28 class ChangesLoweringTester : public GraphBuilderTester<ReturnType> { | 28 class ChangesLoweringTester : public GraphBuilderTester<ReturnType> { |
| 29 public: | 29 public: |
| 30 explicit ChangesLoweringTester(MachineType p0 = kMachineLast) | 30 explicit ChangesLoweringTester(MachineType p0 = kMachNone) |
| 31 : GraphBuilderTester<ReturnType>(p0), | 31 : GraphBuilderTester<ReturnType>(p0), |
| 32 typer(this->zone()), | 32 typer(this->zone()), |
| 33 source_positions(this->graph()), | 33 source_positions(this->graph()), |
| 34 jsgraph(this->graph(), this->common(), &typer), | 34 jsgraph(this->graph(), this->common(), &typer), |
| 35 lowering(&jsgraph, &source_positions), | 35 lowering(&jsgraph, &source_positions), |
| 36 function(Handle<JSFunction>::null()) {} | 36 function(Handle<JSFunction>::null()) {} |
| 37 | 37 |
| 38 Typer typer; | 38 Typer typer; |
| 39 SourcePositionTable source_positions; | 39 SourcePositionTable source_positions; |
| 40 JSGraph jsgraph; | 40 JSGraph jsgraph; |
| (...skipping 29 matching lines...) Expand all Loading... |
| 70 } | 70 } |
| 71 Handle<Object>* args = NULL; | 71 Handle<Object>* args = NULL; |
| 72 MaybeHandle<Object> result = | 72 MaybeHandle<Object> result = |
| 73 Execution::Call(this->isolate(), function, factory()->undefined_value(), | 73 Execution::Call(this->isolate(), function, factory()->undefined_value(), |
| 74 0, args, false); | 74 0, args, false); |
| 75 return T::cast(*result.ToHandleChecked()); | 75 return T::cast(*result.ToHandleChecked()); |
| 76 } | 76 } |
| 77 | 77 |
| 78 void StoreFloat64(Node* node, double* ptr) { | 78 void StoreFloat64(Node* node, double* ptr) { |
| 79 Node* ptr_node = this->PointerConstant(ptr); | 79 Node* ptr_node = this->PointerConstant(ptr); |
| 80 this->Store(kMachineFloat64, ptr_node, node); | 80 this->Store(kMachFloat64, ptr_node, node); |
| 81 } | 81 } |
| 82 | 82 |
| 83 Node* LoadInt32(int32_t* ptr) { | 83 Node* LoadInt32(int32_t* ptr) { |
| 84 Node* ptr_node = this->PointerConstant(ptr); | 84 Node* ptr_node = this->PointerConstant(ptr); |
| 85 return this->Load(kMachineWord32, ptr_node); | 85 return this->Load(kMachInt32, ptr_node); |
| 86 } | 86 } |
| 87 | 87 |
| 88 Node* LoadUint32(uint32_t* ptr) { | 88 Node* LoadUint32(uint32_t* ptr) { |
| 89 Node* ptr_node = this->PointerConstant(ptr); | 89 Node* ptr_node = this->PointerConstant(ptr); |
| 90 return this->Load(kMachineWord32, ptr_node); | 90 return this->Load(kMachUint32, ptr_node); |
| 91 } | 91 } |
| 92 | 92 |
| 93 Node* LoadFloat64(double* ptr) { | 93 Node* LoadFloat64(double* ptr) { |
| 94 Node* ptr_node = this->PointerConstant(ptr); | 94 Node* ptr_node = this->PointerConstant(ptr); |
| 95 return this->Load(kMachineFloat64, ptr_node); | 95 return this->Load(kMachFloat64, ptr_node); |
| 96 } | 96 } |
| 97 | 97 |
| 98 void CheckNumber(double expected, Object* number) { | 98 void CheckNumber(double expected, Object* number) { |
| 99 CHECK(this->isolate()->factory()->NewNumber(expected)->SameValue(number)); | 99 CHECK(this->isolate()->factory()->NewNumber(expected)->SameValue(number)); |
| 100 } | 100 } |
| 101 | 101 |
| 102 void BuildAndLower(Operator* op) { | 102 void BuildAndLower(Operator* op) { |
| 103 // We build a graph by hand here, because the raw machine assembler | 103 // We build a graph by hand here, because the raw machine assembler |
| 104 // does not add the correct control and effect nodes. | 104 // does not add the correct control and effect nodes. |
| 105 Node* p0 = this->Parameter(0); | 105 Node* p0 = this->Parameter(0); |
| (...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 143 Verifier::Run(this->graph()); | 143 Verifier::Run(this->graph()); |
| 144 } | 144 } |
| 145 | 145 |
| 146 Factory* factory() { return this->isolate()->factory(); } | 146 Factory* factory() { return this->isolate()->factory(); } |
| 147 Heap* heap() { return this->isolate()->heap(); } | 147 Heap* heap() { return this->isolate()->heap(); } |
| 148 }; | 148 }; |
| 149 | 149 |
| 150 | 150 |
| 151 TEST(RunChangeTaggedToInt32) { | 151 TEST(RunChangeTaggedToInt32) { |
| 152 // Build and lower a graph by hand. | 152 // Build and lower a graph by hand. |
| 153 ChangesLoweringTester<int32_t> t(kMachineTagged); | 153 ChangesLoweringTester<int32_t> t(kMachAnyTagged); |
| 154 t.BuildAndLower(t.simplified()->ChangeTaggedToInt32()); | 154 t.BuildAndLower(t.simplified()->ChangeTaggedToInt32()); |
| 155 | 155 |
| 156 if (Pipeline::SupportedTarget()) { | 156 if (Pipeline::SupportedTarget()) { |
| 157 FOR_INT32_INPUTS(i) { | 157 FOR_INT32_INPUTS(i) { |
| 158 int32_t input = *i; | 158 int32_t input = *i; |
| 159 | 159 |
| 160 if (Smi::IsValid(input)) { | 160 if (Smi::IsValid(input)) { |
| 161 int32_t result = t.Call(Smi::FromInt(input)); | 161 int32_t result = t.Call(Smi::FromInt(input)); |
| 162 CHECK_EQ(input, result); | 162 CHECK_EQ(input, result); |
| 163 } | 163 } |
| 164 | 164 |
| 165 { | 165 { |
| 166 Handle<Object> number = t.factory()->NewNumber(input); | 166 Handle<Object> number = t.factory()->NewNumber(input); |
| 167 int32_t result = t.Call(*number); | 167 int32_t result = t.Call(*number); |
| 168 CHECK_EQ(input, result); | 168 CHECK_EQ(input, result); |
| 169 } | 169 } |
| 170 | 170 |
| 171 { | 171 { |
| 172 Handle<HeapNumber> number = t.factory()->NewHeapNumber(input); | 172 Handle<HeapNumber> number = t.factory()->NewHeapNumber(input); |
| 173 int32_t result = t.Call(*number); | 173 int32_t result = t.Call(*number); |
| 174 CHECK_EQ(input, result); | 174 CHECK_EQ(input, result); |
| 175 } | 175 } |
| 176 } | 176 } |
| 177 } | 177 } |
| 178 } | 178 } |
| 179 | 179 |
| 180 | 180 |
| 181 TEST(RunChangeTaggedToUint32) { | 181 TEST(RunChangeTaggedToUint32) { |
| 182 // Build and lower a graph by hand. | 182 // Build and lower a graph by hand. |
| 183 ChangesLoweringTester<uint32_t> t(kMachineTagged); | 183 ChangesLoweringTester<uint32_t> t(kMachAnyTagged); |
| 184 t.BuildAndLower(t.simplified()->ChangeTaggedToUint32()); | 184 t.BuildAndLower(t.simplified()->ChangeTaggedToUint32()); |
| 185 | 185 |
| 186 if (Pipeline::SupportedTarget()) { | 186 if (Pipeline::SupportedTarget()) { |
| 187 FOR_UINT32_INPUTS(i) { | 187 FOR_UINT32_INPUTS(i) { |
| 188 uint32_t input = *i; | 188 uint32_t input = *i; |
| 189 | 189 |
| 190 if (Smi::IsValid(input)) { | 190 if (Smi::IsValid(input)) { |
| 191 uint32_t result = t.Call(Smi::FromInt(input)); | 191 uint32_t result = t.Call(Smi::FromInt(input)); |
| 192 CHECK_EQ(static_cast<int32_t>(input), static_cast<int32_t>(result)); | 192 CHECK_EQ(static_cast<int32_t>(input), static_cast<int32_t>(result)); |
| 193 } | 193 } |
| 194 | 194 |
| 195 { | 195 { |
| 196 Handle<Object> number = t.factory()->NewNumber(input); | 196 Handle<Object> number = t.factory()->NewNumber(input); |
| 197 uint32_t result = t.Call(*number); | 197 uint32_t result = t.Call(*number); |
| 198 CHECK_EQ(static_cast<int32_t>(input), static_cast<int32_t>(result)); | 198 CHECK_EQ(static_cast<int32_t>(input), static_cast<int32_t>(result)); |
| 199 } | 199 } |
| 200 | 200 |
| 201 { | 201 { |
| 202 Handle<HeapNumber> number = t.factory()->NewHeapNumber(input); | 202 Handle<HeapNumber> number = t.factory()->NewHeapNumber(input); |
| 203 uint32_t result = t.Call(*number); | 203 uint32_t result = t.Call(*number); |
| 204 CHECK_EQ(static_cast<int32_t>(input), static_cast<int32_t>(result)); | 204 CHECK_EQ(static_cast<int32_t>(input), static_cast<int32_t>(result)); |
| 205 } | 205 } |
| 206 } | 206 } |
| 207 } | 207 } |
| 208 } | 208 } |
| 209 | 209 |
| 210 | 210 |
| 211 TEST(RunChangeTaggedToFloat64) { | 211 TEST(RunChangeTaggedToFloat64) { |
| 212 ChangesLoweringTester<int32_t> t(kMachineTagged); | 212 ChangesLoweringTester<int32_t> t(kMachAnyTagged); |
| 213 double result; | 213 double result; |
| 214 | 214 |
| 215 t.BuildStoreAndLower(t.simplified()->ChangeTaggedToFloat64(), | 215 t.BuildStoreAndLower(t.simplified()->ChangeTaggedToFloat64(), |
| 216 t.machine()->Store(kMachineFloat64, kNoWriteBarrier), | 216 t.machine()->Store(kMachFloat64, kNoWriteBarrier), |
| 217 &result); | 217 &result); |
| 218 | 218 |
| 219 if (Pipeline::SupportedTarget()) { | 219 if (Pipeline::SupportedTarget()) { |
| 220 FOR_INT32_INPUTS(i) { | 220 FOR_INT32_INPUTS(i) { |
| 221 int32_t input = *i; | 221 int32_t input = *i; |
| 222 | 222 |
| 223 if (Smi::IsValid(input)) { | 223 if (Smi::IsValid(input)) { |
| 224 t.Call(Smi::FromInt(input)); | 224 t.Call(Smi::FromInt(input)); |
| 225 CHECK_EQ(input, static_cast<int32_t>(result)); | 225 CHECK_EQ(input, static_cast<int32_t>(result)); |
| 226 } | 226 } |
| (...skipping 25 matching lines...) Expand all Loading... |
| 252 Handle<HeapNumber> number = t.factory()->NewHeapNumber(input); | 252 Handle<HeapNumber> number = t.factory()->NewHeapNumber(input); |
| 253 t.Call(*number); | 253 t.Call(*number); |
| 254 CHECK_EQ(input, result); | 254 CHECK_EQ(input, result); |
| 255 } | 255 } |
| 256 } | 256 } |
| 257 } | 257 } |
| 258 } | 258 } |
| 259 | 259 |
| 260 | 260 |
| 261 TEST(RunChangeBoolToBit) { | 261 TEST(RunChangeBoolToBit) { |
| 262 ChangesLoweringTester<int32_t> t(kMachineTagged); | 262 ChangesLoweringTester<int32_t> t(kMachAnyTagged); |
| 263 t.BuildAndLower(t.simplified()->ChangeBoolToBit()); | 263 t.BuildAndLower(t.simplified()->ChangeBoolToBit()); |
| 264 | 264 |
| 265 if (Pipeline::SupportedTarget()) { | 265 if (Pipeline::SupportedTarget()) { |
| 266 Object* true_obj = t.heap()->true_value(); | 266 Object* true_obj = t.heap()->true_value(); |
| 267 int32_t result = t.Call(true_obj); | 267 int32_t result = t.Call(true_obj); |
| 268 CHECK_EQ(1, result); | 268 CHECK_EQ(1, result); |
| 269 } | 269 } |
| 270 | 270 |
| 271 if (Pipeline::SupportedTarget()) { | 271 if (Pipeline::SupportedTarget()) { |
| 272 Object* false_obj = t.heap()->false_value(); | 272 Object* false_obj = t.heap()->false_value(); |
| 273 int32_t result = t.Call(false_obj); | 273 int32_t result = t.Call(false_obj); |
| 274 CHECK_EQ(0, result); | 274 CHECK_EQ(0, result); |
| 275 } | 275 } |
| 276 } | 276 } |
| 277 | 277 |
| 278 | 278 |
| 279 TEST(RunChangeBitToBool) { | 279 TEST(RunChangeBitToBool) { |
| 280 ChangesLoweringTester<Object*> t(kMachineWord32); | 280 ChangesLoweringTester<Object*> t(kMachInt32); |
| 281 t.BuildAndLower(t.simplified()->ChangeBitToBool()); | 281 t.BuildAndLower(t.simplified()->ChangeBitToBool()); |
| 282 | 282 |
| 283 if (Pipeline::SupportedTarget()) { | 283 if (Pipeline::SupportedTarget()) { |
| 284 Object* result = t.Call(1); | 284 Object* result = t.Call(1); |
| 285 Object* true_obj = t.heap()->true_value(); | 285 Object* true_obj = t.heap()->true_value(); |
| 286 CHECK_EQ(true_obj, result); | 286 CHECK_EQ(true_obj, result); |
| 287 } | 287 } |
| 288 | 288 |
| 289 if (Pipeline::SupportedTarget()) { | 289 if (Pipeline::SupportedTarget()) { |
| 290 Object* result = t.Call(0); | 290 Object* result = t.Call(0); |
| (...skipping 14 matching lines...) Expand all Loading... |
| 305 // TODO(titzer): enable all UI32 -> Tagged checking when inline allocation | 305 // TODO(titzer): enable all UI32 -> Tagged checking when inline allocation |
| 306 // works. | 306 // works. |
| 307 return v <= static_cast<uint32_t>(Smi::kMaxValue); | 307 return v <= static_cast<uint32_t>(Smi::kMaxValue); |
| 308 } | 308 } |
| 309 | 309 |
| 310 | 310 |
| 311 TEST(RunChangeInt32ToTagged) { | 311 TEST(RunChangeInt32ToTagged) { |
| 312 ChangesLoweringTester<Object*> t; | 312 ChangesLoweringTester<Object*> t; |
| 313 int32_t input; | 313 int32_t input; |
| 314 t.BuildLoadAndLower(t.simplified()->ChangeInt32ToTagged(), | 314 t.BuildLoadAndLower(t.simplified()->ChangeInt32ToTagged(), |
| 315 t.machine()->Load(kMachineWord32), &input); | 315 t.machine()->Load(kMachInt32), &input); |
| 316 | 316 |
| 317 if (Pipeline::SupportedTarget()) { | 317 if (Pipeline::SupportedTarget()) { |
| 318 FOR_INT32_INPUTS(i) { | 318 FOR_INT32_INPUTS(i) { |
| 319 input = *i; | 319 input = *i; |
| 320 Object* result = t.CallWithPotentialGC<Object>(); | 320 Object* result = t.CallWithPotentialGC<Object>(); |
| 321 if (TODO_INT32_TO_TAGGED_WILL_WORK(input)) { | 321 if (TODO_INT32_TO_TAGGED_WILL_WORK(input)) { |
| 322 t.CheckNumber(static_cast<double>(input), result); | 322 t.CheckNumber(static_cast<double>(input), result); |
| 323 } | 323 } |
| 324 } | 324 } |
| 325 } | 325 } |
| 326 | 326 |
| 327 if (Pipeline::SupportedTarget()) { | 327 if (Pipeline::SupportedTarget()) { |
| 328 FOR_INT32_INPUTS(i) { | 328 FOR_INT32_INPUTS(i) { |
| 329 input = *i; | 329 input = *i; |
| 330 SimulateFullSpace(CcTest::heap()->new_space()); | 330 SimulateFullSpace(CcTest::heap()->new_space()); |
| 331 Object* result = t.CallWithPotentialGC<Object>(); | 331 Object* result = t.CallWithPotentialGC<Object>(); |
| 332 if (TODO_INT32_TO_TAGGED_WILL_WORK(input)) { | 332 if (TODO_INT32_TO_TAGGED_WILL_WORK(input)) { |
| 333 t.CheckNumber(static_cast<double>(input), result); | 333 t.CheckNumber(static_cast<double>(input), result); |
| 334 } | 334 } |
| 335 } | 335 } |
| 336 } | 336 } |
| 337 } | 337 } |
| 338 | 338 |
| 339 | 339 |
| 340 TEST(RunChangeUint32ToTagged) { | 340 TEST(RunChangeUint32ToTagged) { |
| 341 ChangesLoweringTester<Object*> t; | 341 ChangesLoweringTester<Object*> t; |
| 342 uint32_t input; | 342 uint32_t input; |
| 343 t.BuildLoadAndLower(t.simplified()->ChangeUint32ToTagged(), | 343 t.BuildLoadAndLower(t.simplified()->ChangeUint32ToTagged(), |
| 344 t.machine()->Load(kMachineWord32), &input); | 344 t.machine()->Load(kMachUint32), &input); |
| 345 | 345 |
| 346 if (Pipeline::SupportedTarget()) { | 346 if (Pipeline::SupportedTarget()) { |
| 347 FOR_UINT32_INPUTS(i) { | 347 FOR_UINT32_INPUTS(i) { |
| 348 input = *i; | 348 input = *i; |
| 349 Object* result = t.CallWithPotentialGC<Object>(); | 349 Object* result = t.CallWithPotentialGC<Object>(); |
| 350 double expected = static_cast<double>(input); | 350 double expected = static_cast<double>(input); |
| 351 if (TODO_UINT32_TO_TAGGED_WILL_WORK(input)) { | 351 if (TODO_UINT32_TO_TAGGED_WILL_WORK(input)) { |
| 352 t.CheckNumber(expected, result); | 352 t.CheckNumber(expected, result); |
| 353 } | 353 } |
| 354 } | 354 } |
| (...skipping 13 matching lines...) Expand all Loading... |
| 368 } | 368 } |
| 369 | 369 |
| 370 | 370 |
| 371 // TODO(titzer): lowering of Float64->Tagged needs inline allocation. | 371 // TODO(titzer): lowering of Float64->Tagged needs inline allocation. |
| 372 #define TODO_FLOAT64_TO_TAGGED false | 372 #define TODO_FLOAT64_TO_TAGGED false |
| 373 | 373 |
| 374 TEST(RunChangeFloat64ToTagged) { | 374 TEST(RunChangeFloat64ToTagged) { |
| 375 ChangesLoweringTester<Object*> t; | 375 ChangesLoweringTester<Object*> t; |
| 376 double input; | 376 double input; |
| 377 t.BuildLoadAndLower(t.simplified()->ChangeFloat64ToTagged(), | 377 t.BuildLoadAndLower(t.simplified()->ChangeFloat64ToTagged(), |
| 378 t.machine()->Load(kMachineFloat64), &input); | 378 t.machine()->Load(kMachFloat64), &input); |
| 379 | 379 |
| 380 // TODO(titzer): need inline allocation to change float to tagged. | 380 // TODO(titzer): need inline allocation to change float to tagged. |
| 381 if (TODO_FLOAT64_TO_TAGGED && Pipeline::SupportedTarget()) { | 381 if (TODO_FLOAT64_TO_TAGGED && Pipeline::SupportedTarget()) { |
| 382 FOR_FLOAT64_INPUTS(i) { | 382 FOR_FLOAT64_INPUTS(i) { |
| 383 input = *i; | 383 input = *i; |
| 384 Object* result = t.CallWithPotentialGC<Object>(); | 384 Object* result = t.CallWithPotentialGC<Object>(); |
| 385 t.CheckNumber(input, result); | 385 t.CheckNumber(input, result); |
| 386 } | 386 } |
| 387 } | 387 } |
| 388 | 388 |
| 389 if (TODO_FLOAT64_TO_TAGGED && Pipeline::SupportedTarget()) { | 389 if (TODO_FLOAT64_TO_TAGGED && Pipeline::SupportedTarget()) { |
| 390 FOR_FLOAT64_INPUTS(i) { | 390 FOR_FLOAT64_INPUTS(i) { |
| 391 input = *i; | 391 input = *i; |
| 392 SimulateFullSpace(CcTest::heap()->new_space()); | 392 SimulateFullSpace(CcTest::heap()->new_space()); |
| 393 Object* result = t.CallWithPotentialGC<Object>(); | 393 Object* result = t.CallWithPotentialGC<Object>(); |
| 394 t.CheckNumber(input, result); | 394 t.CheckNumber(input, result); |
| 395 } | 395 } |
| 396 } | 396 } |
| 397 } | 397 } |
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