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Add routines to update or erase operands (and to do so without external
assumptions about which operand number stores what operand). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3750 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -34,6 +34,10 @@ public:
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assert(i < Operands.size() && "setOperand() out of range!");
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Operands[i] = Val;
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}
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inline void eraseOperand(unsigned i) {
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assert(i < Operands.size() && "setOperand() out of range!");
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Operands.erase(Operands.begin() + i);
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}
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inline unsigned getNumOperands() const { return Operands.size(); }
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// ---------------------------------------------------------------------------
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@ -150,6 +150,7 @@ public:
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Value *getPointerOperand() { return getOperand(0); }
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const Value *getPointerOperand() const { return getOperand(0); }
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static unsigned getPointerOperandIndex() { return 0U; }
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// Methods for support type inquiry through isa, cast, and dyn_cast:
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static inline bool classof(const LoadInst *) { return true; }
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@ -180,6 +181,7 @@ public:
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Value *getPointerOperand() { return getOperand(1); }
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const Value *getPointerOperand() const { return getOperand(1); }
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static unsigned getPointerOperandIndex() { return 1U; }
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// Methods for support type inquiry through isa, cast, and dyn_cast:
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static inline bool classof(const StoreInst *) { return true; }
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@ -238,7 +240,10 @@ public:
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const Value *getPointerOperand() const {
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return getOperand(0);
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}
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static unsigned getPointerOperandIndex() {
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return 0U; // get index for modifying correct operand
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}
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inline unsigned getNumIndices() const { // Note: always non-negative
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return getNumOperands() - 1;
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}
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@ -42,6 +42,9 @@ public:
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void setIncomingValue(unsigned i, Value *V) {
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Operands[i*2] = V;
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}
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inline unsigned getOperandNumForIncomingValue(unsigned i) {
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return i*2;
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}
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/// getIncomingBlock - Return incoming basic block #x
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const BasicBlock *getIncomingBlock(unsigned i) const {
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@ -53,6 +56,9 @@ public:
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inline void setIncomingBlock(unsigned i, BasicBlock *BB) {
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Operands[i*2+1] = (Value*)BB;
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}
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inline unsigned getOperandNumForIncomingBlock(unsigned i) {
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return i*2+1;
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}
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/// addIncoming - Add an incoming value to the end of the PHI list
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void addIncoming(Value *D, BasicBlock *BB);
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