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Searched refs:ShMask (Results 1 – 5 of 5) sorted by relevance

/llvm-project-15.0.7/llvm/lib/Target/LoongArch/
H A DLoongArchISelDAGToDAG.cpp102 APInt ShMask(AndMask.getBitWidth(), ShiftWidth - 1); in selectShiftMask() local
104 if (ShMask.isSubsetOf(AndMask)) { in selectShiftMask()
112 if (ShMask.isSubsetOf(AndMask | Known.Zero)) { in selectShiftMask()
H A DLoongArchISelLowering.cpp648 APInt ShMask(ValBits, CNMask->getZExtValue() << Shamt); in performORCombine() local
649 if (ShMask.isSubsetOf(DAG.computeKnownBits(N0).Zero)) { in performORCombine()
672 APInt ShMask(ValBits, CNMask->getZExtValue()); in performORCombine() local
673 if (ShMask.isSubsetOf(DAG.computeKnownBits(N0).Zero)) { in performORCombine()
703 APInt ShMask(ValBits, CNMask->getZExtValue()); in performORCombine() local
704 if (ShMask.isSubsetOf(DAG.computeKnownBits(N0).Zero)) { in performORCombine()
/llvm-project-15.0.7/llvm/lib/Transforms/InstCombine/
H A DInstructionCombining.cpp1771 ArrayRef<int> ShMask = Mask; in foldVectorBinop() local
1780 if (ShMask[I] >= 0) { in foldVectorBinop()
1781 assert(ShMask[I] < (int)NumElts && "Not expecting narrowing shuffle"); in foldVectorBinop()
1782 Constant *NewCElt = NewVecC[ShMask[I]]; in foldVectorBinop()
1794 NewVecC[ShMask[I]] = CElt; in foldVectorBinop()
1805 if (I >= SrcVecNumElts || ShMask[I] < 0) { in foldVectorBinop()
/llvm-project-15.0.7/llvm/lib/Target/RISCV/
H A DRISCVISelDAGToDAG.cpp1957 APInt ShMask(AndMask.getBitWidth(), ShiftWidth - 1); in selectShiftMask() local
1959 if (ShMask.isSubsetOf(AndMask)) { in selectShiftMask()
1967 if (ShMask.isSubsetOf(AndMask | Known.Zero)) { in selectShiftMask()
/llvm-project-15.0.7/llvm/lib/Target/X86/
H A DX86ISelLowering.cpp13911 SmallVector<int, 8> ShMask((unsigned)NumElements, -1); in lowerShuffleAsSpecificZeroOrAnyExtend() local
13914 ShMask[i] = SafeOffset(SrcIdx) ? SrcIdx : -1; in lowerShuffleAsSpecificZeroOrAnyExtend()
13916 return DAG.getVectorShuffle(VT, DL, V, DAG.getUNDEF(VT), ShMask); in lowerShuffleAsSpecificZeroOrAnyExtend()
14009 SmallVector<int, 8> ShMask((unsigned)NumElements, -1); in lowerShuffleAsSpecificZeroOrAnyExtend() local
14011 ShMask[i - AlignToUnpack] = i; in lowerShuffleAsSpecificZeroOrAnyExtend()
14012 InputV = DAG.getVectorShuffle(VT, DL, InputV, DAG.getUNDEF(VT), ShMask); in lowerShuffleAsSpecificZeroOrAnyExtend()