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Issue 14146005: Track representations of fields (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Add test for tracking fields Created 7 years, 7 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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47 namespace internal { 47 namespace internal {
48 48
49 #define DEFINE_COMPILE(type) \ 49 #define DEFINE_COMPILE(type) \
50 LInstruction* H##type::CompileToLithium(LChunkBuilder* builder) { \ 50 LInstruction* H##type::CompileToLithium(LChunkBuilder* builder) { \
51 return builder->Do##type(this); \ 51 return builder->Do##type(this); \
52 } 52 }
53 HYDROGEN_CONCRETE_INSTRUCTION_LIST(DEFINE_COMPILE) 53 HYDROGEN_CONCRETE_INSTRUCTION_LIST(DEFINE_COMPILE)
54 #undef DEFINE_COMPILE 54 #undef DEFINE_COMPILE
55 55
56 56
57 const char* Representation::Mnemonic() const {
58 switch (kind_) {
59 case kNone: return "v";
60 case kTagged: return "t";
61 case kDouble: return "d";
62 case kInteger32: return "i";
63 case kExternal: return "x";
64 default:
65 UNREACHABLE();
66 return NULL;
67 }
68 }
69
70
71 int HValue::LoopWeight() const { 57 int HValue::LoopWeight() const {
72 const int w = FLAG_loop_weight; 58 const int w = FLAG_loop_weight;
73 static const int weights[] = { 1, w, w*w, w*w*w, w*w*w*w }; 59 static const int weights[] = { 1, w, w*w, w*w*w, w*w*w*w };
74 return weights[Min(block()->LoopNestingDepth(), 60 return weights[Min(block()->LoopNestingDepth(),
75 static_cast<int>(ARRAY_SIZE(weights)-1))]; 61 static_cast<int>(ARRAY_SIZE(weights)-1))];
76 } 62 }
77 63
78 64
79 Isolate* HValue::isolate() const { 65 Isolate* HValue::isolate() const {
80 ASSERT(block() != NULL); 66 ASSERT(block() != NULL);
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3597 3583
3598 3584
3599 void HCheckFunction::Verify() { 3585 void HCheckFunction::Verify() {
3600 HInstruction::Verify(); 3586 HInstruction::Verify();
3601 ASSERT(HasNoUses()); 3587 ASSERT(HasNoUses());
3602 } 3588 }
3603 3589
3604 #endif 3590 #endif
3605 3591
3606 } } // namespace v8::internal 3592 } } // namespace v8::internal
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