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1 //===- subzero/src/IceCfgNode.h - Control flow graph node -------*- C++ -*-===// | 1 //===- subzero/src/IceCfgNode.h - Control flow graph node -------*- C++ -*-===// |
2 // | 2 // |
3 // The Subzero Code Generator | 3 // The Subzero Code Generator |
4 // | 4 // |
5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 // | 9 // |
10 // This file declares the CfgNode class, which represents a single | 10 // This file declares the CfgNode class, which represents a single |
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84 InstNumberT LastInstNum); | 84 InstNumberT LastInstNum); |
85 void contractIfEmpty(); | 85 void contractIfEmpty(); |
86 void doBranchOpt(const CfgNode *NextNode); | 86 void doBranchOpt(const CfgNode *NextNode); |
87 void emit(Cfg *Func) const; | 87 void emit(Cfg *Func) const; |
88 void emitIAS(Cfg *Func) const; | 88 void emitIAS(Cfg *Func) const; |
89 void dump(Cfg *Func) const; | 89 void dump(Cfg *Func) const; |
90 | 90 |
91 private: | 91 private: |
92 CfgNode(Cfg *Func, SizeT LabelIndex); | 92 CfgNode(Cfg *Func, SizeT LabelIndex); |
93 Cfg *const Func; | 93 Cfg *const Func; |
94 const SizeT Number; // label index | 94 const SizeT Number; // label index |
95 Cfg::IdentifierIndexType NameIndex; // index into Cfg::NodeNames table | 95 Cfg::IdentifierIndexType NameIndex; // index into Cfg::NodeNames table |
96 bool HasReturn; // does this block need an epilog? | 96 bool HasReturn; // does this block need an epilog? |
97 bool NeedsPlacement; | 97 bool NeedsPlacement; |
98 InstNumberT InstCountEstimate; // rough instruction count estimate | 98 InstNumberT InstCountEstimate; // rough instruction count estimate |
99 NodeList InEdges; // in no particular order | 99 NodeList InEdges; // in no particular order |
100 NodeList OutEdges; // in no particular order | 100 NodeList OutEdges; // in no particular order |
101 PhiList Phis; // unordered set of phi instructions | 101 PhiList Phis; // unordered set of phi instructions |
102 InstList Insts; // ordered list of non-phi instructions | 102 InstList Insts; // ordered list of non-phi instructions |
103 }; | 103 }; |
104 | 104 |
105 } // end of namespace Ice | 105 } // end of namespace Ice |
106 | 106 |
107 #endif // SUBZERO_SRC_ICECFGNODE_H | 107 #endif // SUBZERO_SRC_ICECFGNODE_H |
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