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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/compiler.h" | 5 #include "vm/compiler.h" |
6 | 6 |
7 #include "vm/assembler.h" | 7 #include "vm/assembler.h" |
8 #include "vm/ast_printer.h" | 8 #include "vm/ast_printer.h" |
9 #include "vm/code_generator.h" | 9 #include "vm/code_generator.h" |
10 #include "vm/code_patcher.h" | 10 #include "vm/code_patcher.h" |
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49 ASSERT(arguments.Count() == kCompileFunctionRuntimeEntry.argument_count()); | 49 ASSERT(arguments.Count() == kCompileFunctionRuntimeEntry.argument_count()); |
50 const Function& function = Function::CheckedHandle(arguments.At(0)); | 50 const Function& function = Function::CheckedHandle(arguments.At(0)); |
51 ASSERT(!function.HasCode()); | 51 ASSERT(!function.HasCode()); |
52 const Error& error = Error::Handle(Compiler::CompileFunction(function)); | 52 const Error& error = Error::Handle(Compiler::CompileFunction(function)); |
53 if (!error.IsNull()) { | 53 if (!error.IsNull()) { |
54 Exceptions::PropagateError(error); | 54 Exceptions::PropagateError(error); |
55 } | 55 } |
56 } | 56 } |
57 | 57 |
58 | 58 |
59 // Returns an array indexed by computation id, containing the extracted ICData. | 59 // Returns an array indexed by deopt id, containing the extracted ICData. |
60 static RawArray* ExtractTypeFeedbackArray(const Code& code) { | 60 static RawArray* ExtractTypeFeedbackArray(const Code& code) { |
61 ASSERT(!code.IsNull() && !code.is_optimized()); | 61 ASSERT(!code.IsNull() && !code.is_optimized()); |
62 GrowableArray<intptr_t> computation_ids; | 62 GrowableArray<intptr_t> deopt_ids; |
63 const GrowableObjectArray& ic_data_objs = | 63 const GrowableObjectArray& ic_data_objs = |
64 GrowableObjectArray::Handle(GrowableObjectArray::New()); | 64 GrowableObjectArray::Handle(GrowableObjectArray::New()); |
65 const intptr_t max_id = | 65 const intptr_t max_id = |
66 code.ExtractIcDataArraysAtCalls(&computation_ids, ic_data_objs); | 66 code.ExtractIcDataArraysAtCalls(&deopt_ids, ic_data_objs); |
67 const Array& result = Array::Handle(Array::New(max_id + 1)); | 67 const Array& result = Array::Handle(Array::New(max_id + 1)); |
68 for (intptr_t i = 0; i < computation_ids.length(); i++) { | 68 for (intptr_t i = 0; i < deopt_ids.length(); i++) { |
69 intptr_t result_index = computation_ids[i]; | 69 intptr_t result_index = deopt_ids[i]; |
70 ASSERT(result.At(result_index) == Object::null()); | 70 ASSERT(result.At(result_index) == Object::null()); |
71 result.SetAt(result_index, Object::Handle(ic_data_objs.At(i))); | 71 result.SetAt(result_index, Object::Handle(ic_data_objs.At(i))); |
72 } | 72 } |
73 return result.raw(); | 73 return result.raw(); |
74 } | 74 } |
75 | 75 |
76 | 76 |
77 RawError* Compiler::Compile(const Library& library, const Script& script) { | 77 RawError* Compiler::Compile(const Library& library, const Script& script) { |
78 Isolate* isolate = Isolate::Current(); | 78 Isolate* isolate = Isolate::Current(); |
79 LongJump* base = isolate->long_jump_base(); | 79 LongJump* base = isolate->long_jump_base(); |
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122 } | 122 } |
123 | 123 |
124 | 124 |
125 // Return false if bailed out. | 125 // Return false if bailed out. |
126 static bool CompileParsedFunctionHelper( | 126 static bool CompileParsedFunctionHelper( |
127 const ParsedFunction& parsed_function, bool optimized, bool use_ssa) { | 127 const ParsedFunction& parsed_function, bool optimized, bool use_ssa) { |
128 TimerScope timer(FLAG_compiler_stats, &CompilerStats::codegen_timer); | 128 TimerScope timer(FLAG_compiler_stats, &CompilerStats::codegen_timer); |
129 bool is_compiled = false; | 129 bool is_compiled = false; |
130 Isolate* isolate = Isolate::Current(); | 130 Isolate* isolate = Isolate::Current(); |
131 ASSERT(isolate->ic_data_array() == Array::null()); // Must be reset to null. | 131 ASSERT(isolate->ic_data_array() == Array::null()); // Must be reset to null. |
132 const intptr_t prev_cid = isolate->computation_id(); | 132 const intptr_t prev_deopt_id = isolate->deopt_id(); |
133 isolate->set_computation_id(0); | 133 isolate->set_deopt_id(0); |
134 LongJump* old_base = isolate->long_jump_base(); | 134 LongJump* old_base = isolate->long_jump_base(); |
135 LongJump bailout_jump; | 135 LongJump bailout_jump; |
136 isolate->set_long_jump_base(&bailout_jump); | 136 isolate->set_long_jump_base(&bailout_jump); |
137 if (setjmp(*bailout_jump.Set()) == 0) { | 137 if (setjmp(*bailout_jump.Set()) == 0) { |
138 GrowableArray<BlockEntryInstr*> block_order; | 138 GrowableArray<BlockEntryInstr*> block_order; |
139 // TimerScope needs an isolate to be properly terminated in case of a | 139 // TimerScope needs an isolate to be properly terminated in case of a |
140 // LongJump. | 140 // LongJump. |
141 { | 141 { |
142 TimerScope timer(FLAG_compiler_stats, | 142 TimerScope timer(FLAG_compiler_stats, |
143 &CompilerStats::graphbuilder_timer, | 143 &CompilerStats::graphbuilder_timer, |
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243 if (FLAG_trace_bailout) { | 243 if (FLAG_trace_bailout) { |
244 OS::Print("%s\n", bailout_error.ToErrorCString()); | 244 OS::Print("%s\n", bailout_error.ToErrorCString()); |
245 } | 245 } |
246 // We only bail out from generating ssa code. | 246 // We only bail out from generating ssa code. |
247 ASSERT(optimized && use_ssa); | 247 ASSERT(optimized && use_ssa); |
248 is_compiled = false; | 248 is_compiled = false; |
249 } | 249 } |
250 // Reset global isolate state. | 250 // Reset global isolate state. |
251 isolate->set_ic_data_array(Array::null()); | 251 isolate->set_ic_data_array(Array::null()); |
252 isolate->set_long_jump_base(old_base); | 252 isolate->set_long_jump_base(old_base); |
253 isolate->set_computation_id(prev_cid); | 253 isolate->set_deopt_id(prev_deopt_id); |
254 return is_compiled; | 254 return is_compiled; |
255 } | 255 } |
256 | 256 |
257 | 257 |
258 static RawError* CompileFunctionHelper(const Function& function, | 258 static RawError* CompileFunctionHelper(const Function& function, |
259 bool optimized) { | 259 bool optimized) { |
260 Isolate* isolate = Isolate::Current(); | 260 Isolate* isolate = Isolate::Current(); |
261 LongJump* base = isolate->long_jump_base(); | 261 LongJump* base = isolate->long_jump_base(); |
262 LongJump jump; | 262 LongJump jump; |
263 isolate->set_long_jump_base(&jump); | 263 isolate->set_long_jump_base(&jump); |
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485 isolate->object_store()->clear_sticky_error(); | 485 isolate->object_store()->clear_sticky_error(); |
486 isolate->set_long_jump_base(base); | 486 isolate->set_long_jump_base(base); |
487 return result.raw(); | 487 return result.raw(); |
488 } | 488 } |
489 UNREACHABLE(); | 489 UNREACHABLE(); |
490 return Object::null(); | 490 return Object::null(); |
491 } | 491 } |
492 | 492 |
493 | 493 |
494 } // namespace dart | 494 } // namespace dart |
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