Lines Matching defs:AllOnes

1321 static inline bool isZeroOrAllOnes(SDValue N, bool AllOnes) {
1322   return AllOnes ? isAllOnesConstant(N) : isNullConstant(N);
1328 //   (select cc 0, y)   [AllOnes=0]
1329 //   (select cc y, 0)   [AllOnes=0]
1330 //   (zext cc)          [AllOnes=0]
1331 //   (sext cc)          [AllOnes=0/1]
1332 //   (select cc -1, y)  [AllOnes=1]
1333 //   (select cc y, -1)  [AllOnes=1]
1335 // * AllOnes determines whether to check for an all zero (AllOnes false) or an
1336 //   all ones operand (AllOnes true).
1340 // For example, for (select cc X, Y) and AllOnes = 0 if:
1343 static bool isConditionalZeroOrAllOnes(SDNode *N, bool AllOnes, SDValue &CC,
1353     if (isZeroOrAllOnes(N1, AllOnes)) {
1358     if (isZeroOrAllOnes(N2, AllOnes)) {
1367     if (AllOnes)
1384     Invert = !AllOnes;
1385     if (AllOnes)
1386       // When looking for an AllOnes constant, N is an sext, and the 'other'
1400 //   (and (select cc, -1, c), x) -> (select cc, x, (and, x, c))  [AllOnes=1]
1405 // is null, or all ones when AllOnes is set.
1415                                    bool AllOnes) {
1421   if (!isConditionalZeroOrAllOnes(Slct.getNode(), AllOnes, CCOp, SwapSelectOps,
1439                                bool AllOnes) {
1443     if (SDValue Result = combineSelectAndUse(N, N0, N1, DCI, AllOnes))
1446     if (SDValue Result = combineSelectAndUse(N, N1, N0, DCI, AllOnes))
1459     if (SDValue Result = combineSelectAndUse(N, N1, N0, DCI, /*AllOnes=*/false))
1473     return combineSelectAndUseCommutative(N, DCI, /*AllOnes=*/false);
1475     return combineSelectAndUseCommutative(N, DCI, /*AllOnes=*/true);