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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/crankshaft/hydrogen.h" | 5 #include "src/crankshaft/hydrogen.h" |
6 | 6 |
7 #include <sstream> | 7 #include <sstream> |
8 | 8 |
9 #include "src/allocation-site-scopes.h" | 9 #include "src/allocation-site-scopes.h" |
10 #include "src/ast/ast-numbering.h" | 10 #include "src/ast/ast-numbering.h" |
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12596 // Fast support for SubString. | 12596 // Fast support for SubString. |
12597 void HOptimizedGraphBuilder::GenerateSubString(CallRuntime* call) { | 12597 void HOptimizedGraphBuilder::GenerateSubString(CallRuntime* call) { |
12598 DCHECK_EQ(3, call->arguments()->length()); | 12598 DCHECK_EQ(3, call->arguments()->length()); |
12599 CHECK_ALIVE(VisitExpressions(call->arguments())); | 12599 CHECK_ALIVE(VisitExpressions(call->arguments())); |
12600 PushArgumentsFromEnvironment(call->arguments()->length()); | 12600 PushArgumentsFromEnvironment(call->arguments()->length()); |
12601 HCallStub* result = New<HCallStub>(CodeStub::SubString, 3); | 12601 HCallStub* result = New<HCallStub>(CodeStub::SubString, 3); |
12602 return ast_context()->ReturnInstruction(result, call->id()); | 12602 return ast_context()->ReturnInstruction(result, call->id()); |
12603 } | 12603 } |
12604 | 12604 |
12605 | 12605 |
12606 void HOptimizedGraphBuilder::GenerateStringGetLength(CallRuntime* call) { | |
12607 DCHECK(call->arguments()->length() == 1); | |
12608 CHECK_ALIVE(VisitForValue(call->arguments()->at(0))); | |
12609 HValue* string = Pop(); | |
12610 HInstruction* result = BuildLoadStringLength(string); | |
12611 return ast_context()->ReturnInstruction(result, call->id()); | |
12612 } | |
12613 | |
12614 | |
12615 // Support for direct calls from JavaScript to native RegExp code. | 12606 // Support for direct calls from JavaScript to native RegExp code. |
12616 void HOptimizedGraphBuilder::GenerateRegExpExec(CallRuntime* call) { | 12607 void HOptimizedGraphBuilder::GenerateRegExpExec(CallRuntime* call) { |
12617 DCHECK_EQ(4, call->arguments()->length()); | 12608 DCHECK_EQ(4, call->arguments()->length()); |
12618 CHECK_ALIVE(VisitExpressions(call->arguments())); | 12609 CHECK_ALIVE(VisitExpressions(call->arguments())); |
12619 PushArgumentsFromEnvironment(call->arguments()->length()); | 12610 PushArgumentsFromEnvironment(call->arguments()->length()); |
12620 HCallStub* result = New<HCallStub>(CodeStub::RegExpExec, 4); | 12611 HCallStub* result = New<HCallStub>(CodeStub::RegExpExec, 4); |
12621 return ast_context()->ReturnInstruction(result, call->id()); | 12612 return ast_context()->ReturnInstruction(result, call->id()); |
12622 } | 12613 } |
12623 | 12614 |
12624 | 12615 |
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13622 isolate()->GetHTracer()->TraceHydrogen(name(), graph_); | 13613 isolate()->GetHTracer()->TraceHydrogen(name(), graph_); |
13623 } | 13614 } |
13624 | 13615 |
13625 #ifdef DEBUG | 13616 #ifdef DEBUG |
13626 graph_->Verify(false); // No full verify. | 13617 graph_->Verify(false); // No full verify. |
13627 #endif | 13618 #endif |
13628 } | 13619 } |
13629 | 13620 |
13630 } // namespace internal | 13621 } // namespace internal |
13631 } // namespace v8 | 13622 } // namespace v8 |
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