Target/AArch64/AArch64ISelLowering.cpp

2902 static bool isNeonModifiedImm(uint64_t SplatBits, uint64_t SplatUndef,
2912     assert((SplatBits & ~0xff) == 0 && "one byte splat value is too big");
2915     Imm = SplatBits;
2922     if ((SplatBits & ~0xff) == 0) {
2927       Imm = SplatBits;
2931     if ((SplatBits & ~0xff00) == 0) {
2936       Imm = SplatBits >> 8;
2949     if ((SplatBits & ~0xff) == 0) {
2954       Imm = SplatBits;
2958     if ((SplatBits & ~0xff00) == 0) {
2963       Imm = SplatBits >> 8;
2967     if ((SplatBits & ~0xff0000) == 0) {
2972       Imm = SplatBits >> 16;
2976     if ((SplatBits & ~0xff000000) == 0) {
2981       Imm = SplatBits >> 24;
2989     if ((SplatBits & ~0xffff) == 0 &&
2990         ((SplatBits | SplatUndef) & 0xff) == 0xff) {
2994       Imm = SplatBits >> 8;
2998     if ((SplatBits & ~0xffffff) == 0 &&
2999         ((SplatBits | SplatUndef) & 0xffff) == 0xffff) {
3003       Imm = SplatBits >> 16;
3022       if (((SplatBits | SplatUndef) & BitMask) == BitMask) {
3025       } else if ((SplatBits & BitMask) != 0) {
3031     SplatBits = Val;
3472   APInt SplatBits, SplatUndef;
3475   if (!BVN || !BVN->isConstantSplat(SplatBits, SplatUndef, SplatBitSize,
3479   Cnt = SplatBits.getSExtValue();
3929   APInt SplatBits, SplatUndef;
3941       BVN->isConstantSplat(SplatBits, SplatUndef, SplatBitSize, HasAnyUndefs)) {
3948       if (isNeonModifiedImm(SplatBits.getZExtValue(), SplatUndef.getZExtValue(),
3962       uint64_t NegatedImm = (~SplatBits).getZExtValue();
3980             SplatBits);