268   return getNumDims() == 0 && getNumSymbols() == 0 && getNumResults() == 0;  in isEmpty()
298 unsigned AffineMap::getNumSymbols() const {  in getNumSymbols()  function in AffineMap
377   return get(getNumDims(), getNumSymbols(), exprs, getContext());  in partialConstantFold()
443   unsigned numSymbolsThisMap = getNumSymbols();  in compose()
444   unsigned numSymbols = numSymbolsThisMap + map.getNumSymbols();  in compose()
464   assert(getNumSymbols() == 0 && "Expected symbol-less map");  in compose()
479   if (getNumSymbols() > 0)  in isProjectedPermutation()
519   return AffineMap::get(getNumDims(), getNumSymbols(), exprs, getContext());  in getSubMap()
523   return AffineMap::get(getNumDims(), getNumSymbols(),  in getSliceMap()
559   return AffineMap::get(numDims, map.getNumSymbols(), resultExprs, context);  in compressDims()
574            numSymbols = maps.front().getNumSymbols();  in compressUnusedImpl()
576     assert(numDims == m.getNumDims() && numSymbols == m.getNumSymbols() &&  in compressUnusedImpl()
583            unifiedNumSymbols = unifiedMap.getNumSymbols();  in compressUnusedImpl()
605   symReplacements.reserve(map.getNumSymbols());  in compressSymbols()
607   for (unsigned sym = 0, e = map.getNumSymbols(); sym < e; ++sym) {  in compressSymbols()
621   llvm::SmallBitVector unusedSymbols(map.getNumSymbols(), true);  in compressUnusedSymbols()
638         simplifyAffineExpr(e, map.getNumDims(), map.getNumSymbols()));  in simplifyAffineMap()
640   return AffineMap::get(map.getNumDims(), map.getNumSymbols(), exprs,  in simplifyAffineMap()
649   return AffineMap::get(map.getNumDims(), map.getNumSymbols(), uniqueExprs,  in removeDuplicateExprs()
656   assert(map.getNumSymbols() == 0 && "expected map without symbols");  in inversePermutation()
706       results.push_back(res.shiftSymbols(m.getNumSymbols(), numSymbols));  in concatAffineMaps()
708     numSymbols += m.getNumSymbols();  in concatAffineMaps()
738       numDims(map.getNumDims()), numSymbols(map.getNumSymbols()),  in MutableAffineMap()
744   numSymbols = map.getNumSymbols();  in reset()