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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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48 void renumberInstructions(); | 48 void renumberInstructions(); |
49 | 49 |
50 // Add a predecessor edge to the InEdges list for each of this | 50 // Add a predecessor edge to the InEdges list for each of this |
51 // node's successors. | 51 // node's successors. |
52 void computePredecessors(); | 52 void computePredecessors(); |
53 | 53 |
54 void placePhiLoads(); | 54 void placePhiLoads(); |
55 void placePhiStores(); | 55 void placePhiStores(); |
56 void deletePhis(); | 56 void deletePhis(); |
57 void doAddressOpt(); | 57 void doAddressOpt(); |
| 58 void doNopInsertion(); |
58 void genCode(); | 59 void genCode(); |
59 void livenessLightweight(); | 60 void livenessLightweight(); |
60 bool liveness(Liveness *Liveness); | 61 bool liveness(Liveness *Liveness); |
61 void livenessPostprocess(LivenessMode Mode, Liveness *Liveness); | 62 void livenessPostprocess(LivenessMode Mode, Liveness *Liveness); |
62 void emit(Cfg *Func) const; | 63 void emit(Cfg *Func) const; |
63 void dump(Cfg *Func) const; | 64 void dump(Cfg *Func) const; |
64 | 65 |
65 private: | 66 private: |
66 CfgNode(Cfg *Func, SizeT LabelIndex, IceString Name); | 67 CfgNode(Cfg *Func, SizeT LabelIndex, IceString Name); |
67 CfgNode(const CfgNode &) LLVM_DELETED_FUNCTION; | 68 CfgNode(const CfgNode &) LLVM_DELETED_FUNCTION; |
68 CfgNode &operator=(const CfgNode &) LLVM_DELETED_FUNCTION; | 69 CfgNode &operator=(const CfgNode &) LLVM_DELETED_FUNCTION; |
69 Cfg *const Func; | 70 Cfg *const Func; |
70 const SizeT Number; // label index | 71 const SizeT Number; // label index |
71 IceString Name; // for dumping only | 72 IceString Name; // for dumping only |
72 bool HasReturn; // does this block need an epilog? | 73 bool HasReturn; // does this block need an epilog? |
73 NodeList InEdges; // in no particular order | 74 NodeList InEdges; // in no particular order |
74 NodeList OutEdges; // in no particular order | 75 NodeList OutEdges; // in no particular order |
75 PhiList Phis; // unordered set of phi instructions | 76 PhiList Phis; // unordered set of phi instructions |
76 InstList Insts; // ordered list of non-phi instructions | 77 InstList Insts; // ordered list of non-phi instructions |
77 }; | 78 }; |
78 | 79 |
79 } // end of namespace Ice | 80 } // end of namespace Ice |
80 | 81 |
81 #endif // SUBZERO_SRC_ICECFGNODE_H | 82 #endif // SUBZERO_SRC_ICECFGNODE_H |
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