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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); |
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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 } |
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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); |
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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 } |
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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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