template <class ConstantClass> struct ConstantAggrKeyType {
ArrayRef<Constant *> Operands;
ConstantAggrKeyType(ArrayRef<Constant *> Operands) : Operands(Operands) {}
+ ConstantAggrKeyType(ArrayRef<Constant *> Operands, const ConstantClass *)
+ : Operands(Operands) {}
ConstantAggrKeyType(const ConstantClass *C,
SmallVectorImpl<Constant *> &Storage) {
assert(Storage.empty() && "Expected empty storage");
ArrayRef<unsigned> Indexes = None)
: Opcode(Opcode), SubclassOptionalData(SubclassOptionalData),
SubclassData(SubclassData), Ops(Ops), Indexes(Indexes) {}
+ ConstantExprKeyType(ArrayRef<Constant *> Operands, const ConstantExpr *CE)
+ : Opcode(CE->getOpcode()),
+ SubclassOptionalData(CE->getRawSubclassOptionalData()),
+ SubclassData(CE->isCompare() ? CE->getPredicate() : 0), Ops(Operands),
+ Indexes(CE->hasIndices() ? CE->getIndices() : ArrayRef<unsigned>()) {}
ConstantExprKeyType(const ConstantExpr *CE,
SmallVectorImpl<Constant *> &Storage)
: Opcode(CE->getOpcode()),
Map.erase(I);
}
+ ConstantClass *replaceOperandsInPlace(ArrayRef<Constant *> Operands,
+ ConstantClass *CP, Value *From,
+ Constant *To, unsigned NumUpdated = 0,
+ unsigned OperandNo = ~0u) {
+ LookupKey Lookup(CP->getType(), ValType(Operands, CP));
+ auto I = find(Lookup);
+ if (I != Map.end())
+ return I->first;
+
+ // Update to the new value. Optimize for the case when we have a single
+ // operand that we're changing, but handle bulk updates efficiently.
+ remove(CP);
+ if (NumUpdated == 1) {
+ assert(OperandNo < CP->getNumOperands() && "Invalid index");
+ assert(CP->getOperand(OperandNo) != To && "I didn't contain From!");
+ CP->setOperand(OperandNo, To);
+ } else {
+ for (unsigned I = 0, E = CP->getNumOperands(); I != E; ++I)
+ if (CP->getOperand(I) == From)
+ CP->setOperand(I, To);
+ }
+ insert(CP);
+ return nullptr;
+ }
+
void dump() const { DEBUG(dbgs() << "Constant.cpp: ConstantUniqueMap\n"); }
};