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Added methods to make dealing with switches and branch instructions
more tolerable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -71,6 +71,9 @@ public:
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virtual void dropAllReferences();
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inline const Value *getCondition() const { return Condition; }
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inline Value *getCondition() { return Condition; }
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inline bool isUnconditional() const {
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return Condition == 0 || !FalseDest;
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}
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@ -83,6 +86,9 @@ public:
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virtual const Value *getOperand(unsigned i) const;
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virtual bool setOperand(unsigned i, Value *Val);
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virtual unsigned getNumOperands() const { return isUnconditional() ? 1 : 3; }
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inline BasicBlock *getSuccessor(unsigned idx) {
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return (BasicBlock*)((const BranchInst *)this)->getSuccessor(idx);
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}
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// Additionally, they must provide a method to get at the successors of this
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// terminator instruction. If 'idx' is out of range, a null pointer shall be
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@ -114,6 +120,18 @@ public:
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virtual Instruction *clone() const { return new SwitchInst(*this); }
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// Accessor Methods for Switch stmt
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//
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inline dest_iterator dest_begin() { return Destinations.begin(); }
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inline dest_iterator dest_end () { return Destinations.end(); }
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inline dest_const_iterator dest_begin() const { return Destinations.begin(); }
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inline dest_const_iterator dest_end () const { return Destinations.end(); }
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inline const Value *getCondition() const { return Val; }
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inline Value *getCondition() { return Val; }
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inline const BasicBlock *getDefaultDest() const { return DefaultDest; }
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inline BasicBlock *getDefaultDest() { return DefaultDest; }
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void dest_push_back(ConstPoolVal *OnVal, BasicBlock *Dest);
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virtual string getOpcode() const { return "switch"; }
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@ -131,6 +149,9 @@ public:
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//
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virtual const BasicBlock *getSuccessor(unsigned idx) const;
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virtual unsigned getNumSuccessors() const { return 1+Destinations.size(); }
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inline BasicBlock *getSuccessor(unsigned idx) {
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return (BasicBlock*)((const SwitchInst *)this)->getSuccessor(idx);
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}
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};
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#endif
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