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1 //===- subzero/src/IceCfg.h - Control flow graph ----------------*- C++ -*-===// | 1 //===- subzero/src/IceCfg.h - Control flow graph ----------------*- 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 Cfg class, which represents the control flow | 10 // This file declares the Cfg class, which represents the control flow |
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114 void advancedPhiLowering(); | 114 void advancedPhiLowering(); |
115 void reorderNodes(); | 115 void reorderNodes(); |
116 void doAddressOpt(); | 116 void doAddressOpt(); |
117 void doArgLowering(); | 117 void doArgLowering(); |
118 void doNopInsertion(); | 118 void doNopInsertion(); |
119 void genCode(); | 119 void genCode(); |
120 void genFrame(); | 120 void genFrame(); |
121 void livenessLightweight(); | 121 void livenessLightweight(); |
122 void liveness(LivenessMode Mode); | 122 void liveness(LivenessMode Mode); |
123 bool validateLiveness() const; | 123 bool validateLiveness() const; |
124 void deleteRedundantAssignments(); | |
125 void contractEmptyNodes(); | 124 void contractEmptyNodes(); |
126 void doBranchOpt(); | 125 void doBranchOpt(); |
127 | 126 |
128 // Manage the CurrentNode field, which is used for validating the | 127 // Manage the CurrentNode field, which is used for validating the |
129 // Variable::DefNode field during dumping/emitting. | 128 // Variable::DefNode field during dumping/emitting. |
130 void setCurrentNode(const CfgNode *Node) { CurrentNode = Node; } | 129 void setCurrentNode(const CfgNode *Node) { CurrentNode = Node; } |
131 void resetCurrentNode() { setCurrentNode(NULL); } | 130 void resetCurrentNode() { setCurrentNode(NULL); } |
132 const CfgNode *getCurrentNode() const { return CurrentNode; } | 131 const CfgNode *getCurrentNode() const { return CurrentNode; } |
133 | 132 |
134 void emit(); | 133 void emit(); |
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190 // validating Variable::DefNode. Normally, a traversal over | 189 // validating Variable::DefNode. Normally, a traversal over |
191 // CfgNodes maintains this, but before global operations like | 190 // CfgNodes maintains this, but before global operations like |
192 // register allocation, resetCurrentNode() should be called to avoid | 191 // register allocation, resetCurrentNode() should be called to avoid |
193 // spurious validation failures. | 192 // spurious validation failures. |
194 const CfgNode *CurrentNode; | 193 const CfgNode *CurrentNode; |
195 }; | 194 }; |
196 | 195 |
197 } // end of namespace Ice | 196 } // end of namespace Ice |
198 | 197 |
199 #endif // SUBZERO_SRC_ICECFG_H | 198 #endif // SUBZERO_SRC_ICECFG_H |
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