Cross Reference: /external/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp

Lines Matching defs:KnownOne

153                                                    const APInt& KnownOne,
155   assert(KnownZero.getBitWidth() == KnownOne.getBitWidth() &&
158          "KnownZero, KnownOne and Min, Max must have equal bitwidth.");
159   APInt UnknownBits = ~(KnownZero|KnownOne);
163   Min = KnownOne;
164   Max = KnownOne|UnknownBits;
177                                                      const APInt &KnownOne,
179   assert(KnownZero.getBitWidth() == KnownOne.getBitWidth() &&
182          "Ty, KnownZero, KnownOne and Min, Max must have equal bitwidth.");
183   APInt UnknownBits = ~(KnownZero|KnownOne);
186   Min = KnownOne;
188   Max = KnownOne|UnknownBits;
1032       APInt KnownZero(SrcBits, 0), KnownOne(SrcBits, 0);
1033       ComputeMaskedBits(LHSI->getOperand(0), KnownZero, KnownOne);
1036       if ((KnownZero|KnownOne).countLeadingOnes() >= SrcBits-DstBits) {
1039         NewRHS |= KnownOne & APInt::getHighBitsSet(SrcBits, SrcBits-DstBits);