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Side by Side Diff: src/compiler/effect-control-linearizer.cc

Issue 2657243002: [turbofan] Introduce dedicated StringIndexOf operator. (Closed)
Patch Set: Created 3 years, 10 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 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/compiler/effect-control-linearizer.h" 5 #include "src/compiler/effect-control-linearizer.h"
6 6
7 #include "src/code-factory.h" 7 #include "src/code-factory.h"
8 #include "src/compiler/access-builder.h" 8 #include "src/compiler/access-builder.h"
9 #include "src/compiler/compiler-source-position-table.h" 9 #include "src/compiler/compiler-source-position-table.h"
10 #include "src/compiler/js-graph.h" 10 #include "src/compiler/js-graph.h"
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743 break; 743 break;
744 case IrOpcode::kArrayBufferWasNeutered: 744 case IrOpcode::kArrayBufferWasNeutered:
745 result = LowerArrayBufferWasNeutered(node); 745 result = LowerArrayBufferWasNeutered(node);
746 break; 746 break;
747 case IrOpcode::kStringFromCharCode: 747 case IrOpcode::kStringFromCharCode:
748 result = LowerStringFromCharCode(node); 748 result = LowerStringFromCharCode(node);
749 break; 749 break;
750 case IrOpcode::kStringFromCodePoint: 750 case IrOpcode::kStringFromCodePoint:
751 result = LowerStringFromCodePoint(node); 751 result = LowerStringFromCodePoint(node);
752 break; 752 break;
753 case IrOpcode::kStringIndexOf:
754 result = LowerStringIndexOf(node);
755 break;
753 case IrOpcode::kStringCharAt: 756 case IrOpcode::kStringCharAt:
754 result = LowerStringCharAt(node); 757 result = LowerStringCharAt(node);
755 break; 758 break;
756 case IrOpcode::kStringCharCodeAt: 759 case IrOpcode::kStringCharCodeAt:
757 result = LowerStringCharCodeAt(node); 760 result = LowerStringCharCodeAt(node);
758 break; 761 break;
759 case IrOpcode::kStringEqual: 762 case IrOpcode::kStringEqual:
760 result = LowerStringEqual(node); 763 result = LowerStringEqual(node);
761 break; 764 break;
762 case IrOpcode::kStringLessThan: 765 case IrOpcode::kStringLessThan:
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2049 vfalse0, 2052 vfalse0,
2050 __ IntPtrConstant(SeqTwoByteString::kHeaderSize - kHeapObjectTag), 2053 __ IntPtrConstant(SeqTwoByteString::kHeaderSize - kHeapObjectTag),
2051 code); 2054 code);
2052 __ Goto(&done, vfalse0); 2055 __ Goto(&done, vfalse0);
2053 } 2056 }
2054 2057
2055 __ Bind(&done); 2058 __ Bind(&done);
2056 return done.PhiAt(0); 2059 return done.PhiAt(0);
2057 } 2060 }
2058 2061
2062 Node* EffectControlLinearizer::LowerStringIndexOf(Node* node) {
2063 Node* subject = node->InputAt(0);
2064 Node* search_string = node->InputAt(1);
2065 Node* position = node->InputAt(2);
2066
2067 Callable callable = CodeFactory::StringIndexOf(isolate());
2068 Operator::Properties properties = Operator::kEliminatable;
2069 CallDescriptor::Flags flags = CallDescriptor::kNoFlags;
2070 CallDescriptor* desc = Linkage::GetStubCallDescriptor(
2071 isolate(), graph()->zone(), callable.descriptor(), 0, flags, properties);
2072 return __ Call(desc, __ HeapConstant(callable.code()), subject, search_string,
2073 position, __ NoContextConstant());
2074 }
2075
2059 Node* EffectControlLinearizer::LowerStringComparison(Callable const& callable, 2076 Node* EffectControlLinearizer::LowerStringComparison(Callable const& callable,
2060 Node* node) { 2077 Node* node) {
2061 Node* lhs = node->InputAt(0); 2078 Node* lhs = node->InputAt(0);
2062 Node* rhs = node->InputAt(1); 2079 Node* rhs = node->InputAt(1);
2063 2080
2064 Operator::Properties properties = Operator::kEliminatable; 2081 Operator::Properties properties = Operator::kEliminatable;
2065 CallDescriptor::Flags flags = CallDescriptor::kNoFlags; 2082 CallDescriptor::Flags flags = CallDescriptor::kNoFlags;
2066 CallDescriptor* desc = Linkage::GetStubCallDescriptor( 2083 CallDescriptor* desc = Linkage::GetStubCallDescriptor(
2067 isolate(), graph()->zone(), callable.descriptor(), 0, flags, properties); 2084 isolate(), graph()->zone(), callable.descriptor(), 0, flags, properties);
2068 return __ Call(desc, __ HeapConstant(callable.code()), lhs, rhs, 2085 return __ Call(desc, __ HeapConstant(callable.code()), lhs, rhs,
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2749 return isolate()->factory(); 2766 return isolate()->factory();
2750 } 2767 }
2751 2768
2752 Isolate* EffectControlLinearizer::isolate() const { 2769 Isolate* EffectControlLinearizer::isolate() const {
2753 return jsgraph()->isolate(); 2770 return jsgraph()->isolate();
2754 } 2771 }
2755 2772
2756 } // namespace compiler 2773 } // namespace compiler
2757 } // namespace internal 2774 } // namespace internal
2758 } // namespace v8 2775 } // namespace v8
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