694   int nPrefixReg         /* No. of reg prior to regData available for use */  in pushOntoSorter()  argument
724   if( nPrefixReg ){  in pushOntoSorter()
725     assert( nPrefixReg==nExpr+bSeq );  in pushOntoSorter()
726     regBase = regData - nPrefixReg;  in pushOntoSorter()
739   if( nPrefixReg==0 && nData>0 ){  in pushOntoSorter()
1105   int nPrefixReg = 0;         /* Number of extra registers before regResult */  in selectInnerLoop()  local
1131       nPrefixReg = pSort->pOrderBy->nExpr;  in selectInnerLoop()
1132       if( !(pSort->sortFlags & SORTFLAG_UseSorter) ) nPrefixReg++;  in selectInnerLoop()
1133       pParse->nMem += nPrefixReg;  in selectInnerLoop()
1228      && nPrefixReg>0  in selectInnerLoop()
1284       int r1 = sqlite3GetTempRange(pParse, nPrefixReg+1);  in selectInnerLoop()
1289       sqlite3VdbeAddOp3(v, OP_MakeRecord, regResult, nResultCol, r1+nPrefixReg);  in selectInnerLoop()
1309         pushOntoSorter(pParse, pSort, p, r1+nPrefixReg, regOrig, 1, nPrefixReg);  in selectInnerLoop()
1317       sqlite3ReleaseTempRange(pParse, r1, nPrefixReg+1);  in selectInnerLoop()
1324             pParse, pSort, p, regResult, regOrig, nResultCol, nPrefixReg);  in selectInnerLoop()
1357             pParse, pSort, p, regResult, regOrig, nResultCol, nPrefixReg);  in selectInnerLoop()
1386             pParse, pSort, p, regResult, regOrig, nResultCol, nPrefixReg);  in selectInnerLoop()
1402                        nPrefixReg);  in selectInnerLoop()