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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 "src/hydrogen.h" | 5 #include "src/hydrogen.h" |
6 | 6 |
7 #include <sstream> | 7 #include <sstream> |
8 | 8 |
9 #include "src/v8.h" | 9 #include "src/v8.h" |
10 | 10 |
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5288 context = Add<HLoadNamedField>( | 5288 context = Add<HLoadNamedField>( |
5289 context, nullptr, | 5289 context, nullptr, |
5290 HObjectAccess::ForContextSlot(Context::PREVIOUS_INDEX)); | 5290 HObjectAccess::ForContextSlot(Context::PREVIOUS_INDEX)); |
5291 } | 5291 } |
5292 return context; | 5292 return context; |
5293 } | 5293 } |
5294 | 5294 |
5295 | 5295 |
5296 void HOptimizedGraphBuilder::VisitVariableProxy(VariableProxy* expr) { | 5296 void HOptimizedGraphBuilder::VisitVariableProxy(VariableProxy* expr) { |
5297 if (expr->is_this()) { | 5297 if (expr->is_this()) { |
5298 current_info()->set_this_has_uses(true); | 5298 current_info()->parse_info()->set_this_has_uses(true); |
5299 } | 5299 } |
5300 | 5300 |
5301 DCHECK(!HasStackOverflow()); | 5301 DCHECK(!HasStackOverflow()); |
5302 DCHECK(current_block() != NULL); | 5302 DCHECK(current_block() != NULL); |
5303 DCHECK(current_block()->HasPredecessor()); | 5303 DCHECK(current_block()->HasPredecessor()); |
5304 Variable* variable = expr->var(); | 5304 Variable* variable = expr->var(); |
5305 switch (variable->location()) { | 5305 switch (variable->location()) { |
5306 case Variable::UNALLOCATED: { | 5306 case Variable::UNALLOCATED: { |
5307 if (IsLexicalVariableMode(variable->mode())) { | 5307 if (IsLexicalVariableMode(variable->mode())) { |
5308 // TODO(rossberg): should this be an DCHECK? | 5308 // TODO(rossberg): should this be an DCHECK? |
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7832 | 7832 |
7833 // We don't want to add more than a certain number of nodes from inlining. | 7833 // We don't want to add more than a certain number of nodes from inlining. |
7834 // Always inline small methods (<= 10 nodes). | 7834 // Always inline small methods (<= 10 nodes). |
7835 if (inlined_count_ > Min(FLAG_max_inlined_nodes_cumulative, | 7835 if (inlined_count_ > Min(FLAG_max_inlined_nodes_cumulative, |
7836 kUnlimitedMaxInlinedNodesCumulative)) { | 7836 kUnlimitedMaxInlinedNodesCumulative)) { |
7837 TraceInline(target, caller, "cumulative AST node limit reached"); | 7837 TraceInline(target, caller, "cumulative AST node limit reached"); |
7838 return false; | 7838 return false; |
7839 } | 7839 } |
7840 | 7840 |
7841 // Parse and allocate variables. | 7841 // Parse and allocate variables. |
7842 CompilationInfo target_info(target, zone()); | |
7843 // Use the same AstValueFactory for creating strings in the sub-compilation | 7842 // Use the same AstValueFactory for creating strings in the sub-compilation |
7844 // step, but don't transfer ownership to target_info. | 7843 // step, but don't transfer ownership to target_info. |
7845 target_info.SetAstValueFactory(top_info()->ast_value_factory(), false); | 7844 ParseInfo parse_info(zone()); |
| 7845 parse_info.InitializeFromJSFunction(target); |
| 7846 parse_info.set_ast_value_factory( |
| 7847 top_info()->parse_info()->ast_value_factory()); |
| 7848 parse_info.set_ast_value_factory_owned(false); |
| 7849 |
| 7850 CompilationInfo target_info(&parse_info); |
7846 Handle<SharedFunctionInfo> target_shared(target->shared()); | 7851 Handle<SharedFunctionInfo> target_shared(target->shared()); |
7847 if (!Compiler::ParseAndAnalyze(&target_info)) { | 7852 if (!Compiler::ParseAndAnalyze(target_info.parse_info())) { |
7848 if (target_info.isolate()->has_pending_exception()) { | 7853 if (target_info.isolate()->has_pending_exception()) { |
7849 // Parse or scope error, never optimize this function. | 7854 // Parse or scope error, never optimize this function. |
7850 SetStackOverflow(); | 7855 SetStackOverflow(); |
7851 target_shared->DisableOptimization(kParseScopeError); | 7856 target_shared->DisableOptimization(kParseScopeError); |
7852 } | 7857 } |
7853 TraceInline(target, caller, "parse failure"); | 7858 TraceInline(target, caller, "parse failure"); |
7854 return false; | 7859 return false; |
7855 } | 7860 } |
7856 | 7861 |
7857 if (target_info.scope()->num_heap_slots() > 0) { | 7862 if (target_info.scope()->num_heap_slots() > 0) { |
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13422 if (ShouldProduceTraceOutput()) { | 13427 if (ShouldProduceTraceOutput()) { |
13423 isolate()->GetHTracer()->TraceHydrogen(name(), graph_); | 13428 isolate()->GetHTracer()->TraceHydrogen(name(), graph_); |
13424 } | 13429 } |
13425 | 13430 |
13426 #ifdef DEBUG | 13431 #ifdef DEBUG |
13427 graph_->Verify(false); // No full verify. | 13432 graph_->Verify(false); // No full verify. |
13428 #endif | 13433 #endif |
13429 } | 13434 } |
13430 | 13435 |
13431 } } // namespace v8::internal | 13436 } } // namespace v8::internal |
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