Add routines to update or erase operands (and to do so without external

assumptions about which operand number stores what operand).

llvm-svn: 3750
This commit is contained in:
Vikram S. Adve 2002-09-16 16:06:12 +00:00
parent 4b775b2763
commit 5c363ba209
3 changed files with 16 additions and 1 deletions

View File

@ -34,6 +34,10 @@ public:
assert(i < Operands.size() && "setOperand() out of range!");
Operands[i] = Val;
}
inline void eraseOperand(unsigned i) {
assert(i < Operands.size() && "setOperand() out of range!");
Operands.erase(Operands.begin() + i);
}
inline unsigned getNumOperands() const { return Operands.size(); }
// ---------------------------------------------------------------------------

View File

@ -150,6 +150,7 @@ public:
Value *getPointerOperand() { return getOperand(0); }
const Value *getPointerOperand() const { return getOperand(0); }
static unsigned getPointerOperandIndex() { return 0U; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const LoadInst *) { return true; }
@ -180,6 +181,7 @@ public:
Value *getPointerOperand() { return getOperand(1); }
const Value *getPointerOperand() const { return getOperand(1); }
static unsigned getPointerOperandIndex() { return 1U; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const StoreInst *) { return true; }
@ -238,7 +240,10 @@ public:
const Value *getPointerOperand() const {
return getOperand(0);
}
static unsigned getPointerOperandIndex() {
return 0U; // get index for modifying correct operand
}
inline unsigned getNumIndices() const { // Note: always non-negative
return getNumOperands() - 1;
}

View File

@ -42,6 +42,9 @@ public:
void setIncomingValue(unsigned i, Value *V) {
Operands[i*2] = V;
}
inline unsigned getOperandNumForIncomingValue(unsigned i) {
return i*2;
}
/// getIncomingBlock - Return incoming basic block #x
const BasicBlock *getIncomingBlock(unsigned i) const {
@ -53,6 +56,9 @@ public:
inline void setIncomingBlock(unsigned i, BasicBlock *BB) {
Operands[i*2+1] = (Value*)BB;
}
inline unsigned getOperandNumForIncomingBlock(unsigned i) {
return i*2+1;
}
/// addIncoming - Add an incoming value to the end of the PHI list
void addIncoming(Value *D, BasicBlock *BB);