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1 //===- subzero/src/IceTargetLowering.h - Lowering interface -----*- C++ -*-===// | 1 //===- subzero/src/IceTargetLowering.h - Lowering interface -----*- 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 TargetLowering and LoweringContext | 10 // This file declares the TargetLowering and LoweringContext |
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49 } | 49 } |
50 Inst *getNextInst(InstList::iterator &Iter) const { | 50 Inst *getNextInst(InstList::iterator &Iter) const { |
51 advanceForward(Iter); | 51 advanceForward(Iter); |
52 if (Iter == End) | 52 if (Iter == End) |
53 return NULL; | 53 return NULL; |
54 return Iter; | 54 return Iter; |
55 } | 55 } |
56 CfgNode *getNode() const { return Node; } | 56 CfgNode *getNode() const { return Node; } |
57 bool atEnd() const { return Cur == End; } | 57 bool atEnd() const { return Cur == End; } |
58 InstList::iterator getCur() const { return Cur; } | 58 InstList::iterator getCur() const { return Cur; } |
| 59 InstList::iterator getNext() const { return Next; } |
59 InstList::iterator getEnd() const { return End; } | 60 InstList::iterator getEnd() const { return End; } |
60 // Adaptor to enable range-based for loops. | |
61 InstList::iterator begin() const { return getCur(); } | |
62 InstList::iterator end() const { return getEnd(); } | |
63 void insert(Inst *Inst); | 61 void insert(Inst *Inst); |
64 Inst *getLastInserted() const; | 62 Inst *getLastInserted() const; |
65 void advanceCur() { Cur = Next; } | 63 void advanceCur() { Cur = Next; } |
66 void advanceNext() { advanceForward(Next); } | 64 void advanceNext() { advanceForward(Next); } |
67 void rewind(); | 65 void rewind(); |
68 void setInsertPoint(const InstList::iterator &Position) { Next = Position; } | 66 void setInsertPoint(const InstList::iterator &Position) { Next = Position; } |
69 | 67 |
70 private: | 68 private: |
71 // Node is the argument to Inst::updateVars(). | 69 // Node is the argument to Inst::updateVars(). |
72 CfgNode *Node; | 70 CfgNode *Node; |
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265 virtual void lower(const VariableDeclaration &Var) = 0; | 263 virtual void lower(const VariableDeclaration &Var) = 0; |
266 | 264 |
267 protected: | 265 protected: |
268 TargetGlobalInitLowering(GlobalContext *Ctx) : Ctx(Ctx) {} | 266 TargetGlobalInitLowering(GlobalContext *Ctx) : Ctx(Ctx) {} |
269 GlobalContext *Ctx; | 267 GlobalContext *Ctx; |
270 }; | 268 }; |
271 | 269 |
272 } // end of namespace Ice | 270 } // end of namespace Ice |
273 | 271 |
274 #endif // SUBZERO_SRC_ICETARGETLOWERING_H | 272 #endif // SUBZERO_SRC_ICETARGETLOWERING_H |
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