diff options
Diffstat (limited to 'include/llvm/Instruction.h')
| -rw-r--r-- | include/llvm/Instruction.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/llvm/Instruction.h b/include/llvm/Instruction.h index 9ab6f8a106..7cdee5d2c1 100644 --- a/include/llvm/Instruction.h +++ b/include/llvm/Instruction.h @@ -9,11 +9,19 @@ #define LLVM_INSTRUCTION_H #include "llvm/User.h" +template<typename SC> struct ilist_traits; +template<typename ValueSubClass, typename ItemParentClass, typename SymTabClass, + typename SubClass> class SymbolTableListTraits; class Instruction : public User { BasicBlock *Parent; + Instruction *Prev, *Next; // Next and Prev links for our intrusive linked list - friend class ValueHolder<Instruction,BasicBlock,Function>; + void setNext(Instruction *N) { Next = N; } + void setPrev(Instruction *N) { Prev = N; } + + friend class SymbolTableListTraits<Instruction, BasicBlock, Function, + ilist_traits<Instruction> >; inline void setParent(BasicBlock *P) { Parent = P; } protected: unsigned iType; // InstructionType @@ -37,6 +45,14 @@ public: // inline const BasicBlock *getParent() const { return Parent; } inline BasicBlock *getParent() { return Parent; } + + // getNext/Prev - Return the next or previous instruction in the list. The + // last node in the list is a terminator instruction. + Instruction *getNext() { return Next; } + const Instruction *getNext() const { return Next; } + Instruction *getPrev() { return Prev; } + const Instruction *getPrev() const { return Prev; } + virtual bool hasSideEffects() const { return false; } // Memory & Call insts // --------------------------------------------------------------------------- |