collectSeedInstructions(BB);
// Vectorize trees that end at stores.
- if (NumStores > 0) {
- DEBUG(dbgs() << "SLP: Found " << NumStores << " stores.\n");
+ if (!Stores.empty()) {
+ DEBUG(dbgs() << "SLP: Found stores for " << Stores.size()
+ << " underlying objects.\n");
Changed |= vectorizeStoreChains(R);
}
// Vectorize the index computations of getelementptr instructions. This
// is primarily intended to catch gather-like idioms ending at
// non-consecutive loads.
- if (NumGEPs > 0) {
- DEBUG(dbgs() << "SLP: Found " << NumGEPs << " GEPs.\n");
+ if (!GEPs.empty()) {
+ DEBUG(dbgs() << "SLP: Found GEPs for " << GEPs.size()
+ << " underlying objects.\n");
Changed |= vectorizeGEPIndices(BB, R);
}
}
/// The getelementptr instructions in a basic block organized by base pointer.
WeakVHListMap GEPs;
- /// The number of store instructions in a basic block.
- unsigned NumStores;
-
- /// The number of getelementptr instructions in a basic block.
- unsigned NumGEPs;
-
unsigned MaxVecRegSize; // This is set by TTI or overridden by cl::opt.
unsigned MinVecRegSize; // Set by cl::opt (default: 128).
};
// Initialize the collections. We will make a single pass over the block.
Stores.clear();
GEPs.clear();
- NumStores = NumGEPs = 0;
// Visit the store and getelementptr instructions in BB and organize them in
// Stores and GEPs according to the underlying objects of their pointer
if (!isValidElementType(SI->getValueOperand()->getType()))
continue;
Stores[GetUnderlyingObject(SI->getPointerOperand(), *DL)].push_back(SI);
- ++NumStores;
}
// Ignore getelementptr instructions that have more than one index, a
if (!isValidElementType(Idx->getType()))
continue;
GEPs[GetUnderlyingObject(GEP->getPointerOperand(), *DL)].push_back(GEP);
- ++NumGEPs;
}
}
}