/// BaseRegs - The list of "base" registers for this use. When this is
/// non-empty,
- SmallVector<const SCEV *, 2> BaseRegs;
+ SmallVector<const SCEV *, 4> BaseRegs;
/// ScaledReg - The 'scaled' register for this use. This should be non-null
/// when Scale is not zero.
/// UniquifierDenseMapInfo - A DenseMapInfo implementation for holding
/// DenseMaps and DenseSets of sorted SmallVectors of const SCEV*.
struct UniquifierDenseMapInfo {
- static SmallVector<const SCEV *, 2> getEmptyKey() {
- SmallVector<const SCEV *, 2> V;
+ static SmallVector<const SCEV *, 4> getEmptyKey() {
+ SmallVector<const SCEV *, 4> V;
V.push_back(reinterpret_cast<const SCEV *>(-1));
return V;
}
- static SmallVector<const SCEV *, 2> getTombstoneKey() {
- SmallVector<const SCEV *, 2> V;
+ static SmallVector<const SCEV *, 4> getTombstoneKey() {
+ SmallVector<const SCEV *, 4> V;
V.push_back(reinterpret_cast<const SCEV *>(-2));
return V;
}
- static unsigned getHashValue(const SmallVector<const SCEV *, 2> &V) {
+ static unsigned getHashValue(const SmallVector<const SCEV *, 4> &V) {
unsigned Result = 0;
for (SmallVectorImpl<const SCEV *>::const_iterator I = V.begin(),
E = V.end(); I != E; ++I)
return Result;
}
- static bool isEqual(const SmallVector<const SCEV *, 2> &LHS,
- const SmallVector<const SCEV *, 2> &RHS) {
+ static bool isEqual(const SmallVector<const SCEV *, 4> &LHS,
+ const SmallVector<const SCEV *, 4> &RHS) {
return LHS == RHS;
}
};
/// the user itself, and information about how the use may be satisfied.
/// TODO: Represent multiple users of the same expression in common?
class LSRUse {
- DenseSet<SmallVector<const SCEV *, 2>, UniquifierDenseMapInfo> Uniquifier;
+ DenseSet<SmallVector<const SCEV *, 4>, UniquifierDenseMapInfo> Uniquifier;
public:
/// KindType - An enum for a kind of use, indicating what types of
/// HasFormula - Test whether this use as a formula which has the same
/// registers as the given formula.
bool LSRUse::HasFormulaWithSameRegs(const Formula &F) const {
- SmallVector<const SCEV *, 2> Key = F.BaseRegs;
+ SmallVector<const SCEV *, 4> Key = F.BaseRegs;
if (F.ScaledReg) Key.push_back(F.ScaledReg);
// Unstable sort by host order ok, because this is only used for uniquifying.
std::sort(Key.begin(), Key.end());
/// InsertFormula - If the given formula has not yet been inserted, add it to
/// the list, and return true. Return false otherwise.
bool LSRUse::InsertFormula(const Formula &F) {
- SmallVector<const SCEV *, 2> Key = F.BaseRegs;
+ SmallVector<const SCEV *, 4> Key = F.BaseRegs;
if (F.ScaledReg) Key.push_back(F.ScaledReg);
// Unstable sort by host order ok, because this is only used for uniquifying.
std::sort(Key.begin(), Key.end());
// Collect the best formula for each unique set of shared registers. This
// is reset for each use.
- typedef DenseMap<SmallVector<const SCEV *, 2>, size_t, UniquifierDenseMapInfo>
+ typedef DenseMap<SmallVector<const SCEV *, 4>, size_t, UniquifierDenseMapInfo>
BestFormulaeTy;
BestFormulaeTy BestFormulae;
dbgs() << "\n");
}
else {
- SmallVector<const SCEV *, 2> Key;
+ SmallVector<const SCEV *, 4> Key;
for (SmallVectorImpl<const SCEV *>::const_iterator J = F.BaseRegs.begin(),
JE = F.BaseRegs.end(); J != JE; ++J) {
const SCEV *Reg = *J;