if (V->getType() == DestTy) return (Constant*)V;
// Cast of a global address to boolean is always true.
- if (const GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
+ if (isa<GlobalValue>(V)) {
if (DestTy == Type::BoolTy)
// FIXME: When we support 'external weak' references, we have to prevent
// this transformation from happening. This code will need to be updated
const ConstantInt *CIdx = dyn_cast<ConstantInt>(Idx);
if (!CIdx) return 0;
uint64_t idxVal = CIdx->getZExtValue();
- if (const UndefValue *UVal = dyn_cast<UndefValue>(Val)) {
+ if (isa<UndefValue>(Val)) {
// Insertion of scalar constant into packed undef
// Optimize away insertion of undef
if (isa<UndefValue>(Elt))
}
return ConstantPacked::get(Ops);
}
- if (const ConstantAggregateZero *CVal =
- dyn_cast<ConstantAggregateZero>(Val)) {
+ if (isa<ConstantAggregateZero>(Val)) {
// Insertion of scalar constant into packed aggregate zero
// Optimize away insertion of zero
if (Elt->isNullValue())
}
if (const ConstantExpr *CE1 = dyn_cast<ConstantExpr>(V1)) {
- if (const ConstantExpr *CE2 = dyn_cast<ConstantExpr>(V2)) {
+ if (isa<ConstantExpr>(V2)) {
// There are many possible foldings we could do here. We should probably
// at least fold add of a pointer with an integer into the appropriate
// getelementptr. This will improve alias analysis a bit.
}
}
- } else if (const ConstantExpr *CE2 = dyn_cast<ConstantExpr>(V2)) {
+ } else if (isa<ConstantExpr>(V2)) {
// If V2 is a constant expr and V1 isn't, flop them around and fold the
// other way if possible.
switch (Opcode) {