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reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
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References
include/llvm/ADT/APInt.h 390 bool isStrictlyPositive() const { return isNonNegative() && !isNullValue(); }
436 bool isMinValue() const { return isNullValue(); }
1786 if (isNullValue())
include/llvm/ADT/APSInt.h 61 bool isStrictlyPositive() const { return isNonNegative() && !isNullValue(); }
include/llvm/IR/Constants.h 193 return Val.isNullValue();
include/llvm/IR/PatternMatch.h 387 bool isValue(const APInt &C) { return C.isNullValue(); }
include/llvm/Support/KnownBits.h 62 bool isUnknown() const { return Zero.isNullValue() && One.isNullValue(); }
62 bool isUnknown() const { return Zero.isNullValue() && One.isNullValue(); }
lib/Analysis/CmpInstAnalysis.cpp 80 if (!C->isNullValue())
101 if (!C->isNullValue())
lib/Analysis/ConstantFolding.cpp 2208 if (C1->isOneValue() && (!C0 || C0->isNullValue()))
lib/Analysis/DemandedBits.cpp 396 if (AB.isNullValue())
456 if (Found != AliveBits.end() && Found->second.isNullValue())
lib/Analysis/InstructionSimplify.cpp 1945 (~(*Mask)).lshr(*ShAmt).isNullValue())
1951 (~(*Mask)).shl(*ShAmt).isNullValue())
5184 if (ShAmtC->urem(BitWidth).isNullValue())
lib/Analysis/ScalarEvolution.cpp 8459 assert(!N.isNullValue() && "This is not a quadratic addrec");
lib/Analysis/ValueTracking.cpp 4712 if (Pred == CmpInst::ICMP_SLT && C1->isNullValue() &&
5424 if (match(BO.getOperand(1), m_APInt(C)) && !C->isNullValue()) {
5462 if (!C->isNullValue() && IIQ.isExact(&BO))
5483 if (!C->isNullValue() && IIQ.isExact(&BO))
5545 if (match(BO.getOperand(1), m_APInt(C)) && !C->isNullValue()) {
lib/CodeGen/GlobalISel/LegalizerHelper.cpp 3049 if (Amt.isNullValue()) {
lib/CodeGen/InterleavedLoadCombinePass.cpp 314 if (C.isNullValue()) {
465 if (C.isNullValue())
572 return (r.ErrorMSBs == 0) && (!r.isFirstOrder()) && (r.A.isNullValue());
lib/CodeGen/MIRParser/MIParser.cpp 2312 if (!Int.isNullValue())
lib/CodeGen/SelectionDAG/DAGCombiner.cpp 3367 if (N1IsConst && ConstValue1.isNullValue())
8284 if (C1Val.isPowerOf2() && C2Val.isNullValue()) {
lib/CodeGen/SelectionDAG/TargetLowering.cpp 624 if (!Sub.isNullValue()) {
1867 if (!Sub.isNullValue()) {
2939 isConstOrConstSplat(N1C)->getAPIntValue().isNullValue() &&
3086 if (N0.getOpcode() == ISD::SRL && (C1.isNullValue() || C1.isOneValue()) &&
3578 if (C1.isNullValue())
4984 assert(!P.isNullValue() && "No multiplicative inverse!"); // unreachable
5171 assert(!P.isNullValue() && "No multiplicative inverse!"); // unreachable
lib/IR/ConstantRange.cpp 313 return Lower.ugt(Upper) && !Upper.isNullValue();
577 if (L.isNullValue() && U.isNullValue())
577 if (L.isNullValue() && U.isNullValue())
1025 if (isEmptySet() || RHS.isEmptySet() || RHS.getUnsignedMax().isNullValue())
1031 if (RHS_umin.isNullValue()) {
1071 if (NegL.Lower.isMinSignedValue() && NegR.Upper.isNullValue()) {
1130 if (isEmptySet() || RHS.isEmptySet() || RHS.getUnsignedMax().isNullValue())
1151 if (MaxAbsRHS.isNullValue())
1154 if (MinAbsRHS.isNullValue())
1216 if (Other_umax.isNullValue())
lib/MCA/InstrBuilder.cpp 657 if (Mask.isNullValue()) {
lib/Support/APInt.cpp 2853 if (C.sextOrTrunc(RangeWidth).isNullValue() ) {
2915 if (T.isNullValue())
2999 if (!InexactSQ && Rem.isNullValue()) {
3016 VX.isNullValue() != VY.isNullValue();
3016 VX.isNullValue() != VY.isNullValue();
lib/Target/AArch64/AArch64ISelLowering.cpp 7558 if (Val.isNullValue() || Val.isAllOnesValue())
lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp 952 if (Lower->getValue().isNullValue()) {
lib/Target/Mips/MipsInstructionSelector.cpp 133 if (Imm.getHiBits(16).isNullValue()) {
139 if (Imm.getLoBits(16).isNullValue()) {
lib/Target/X86/X86ISelLowering.cpp 6912 if (Known0.One.isNullValue() && Known1.One.isNullValue()) {
6912 if (Known0.One.isNullValue() && Known1.One.isNullValue()) {
7999 if (ZeroMask.isNullValue() && isPowerOf2_32(NumElems) && Subtarget.hasAVX() &&
17099 assert(!Zeroable.isNullValue() && "V2's non-undef elements are used?!");
20560 if ((IsInc && EltC.isMaxValue()) || (!IsInc && EltC.isNullValue()))
37318 if (!Comparison.isNullValue())
39261 return M.isNullValue() || M.isAllOnesValue();
39274 EltBits[i].isNullValue() ? SM_SentinelZero : VecIdx;
lib/Transforms/InstCombine/InstCombineAddSub.cpp 1775 if (Op0C->isNullValue()) {
lib/Transforms/InstCombine/InstCombineAndOrXor.cpp 140 if ((AddRHS & (AndRHSV - 1)).isNullValue()) {
145 if ((AddRHS & AndRHSV).isNullValue()) { // Bit is not set, noop
843 if (C1->isNullValue() && C2->isAllOnesValue())
987 assert(!UnsetBitsMask.isNullValue() && "empty mask makes no sense.");
1242 if ((Low & AndC->getValue()).isNullValue() &&
1243 (Low & BigC->getValue()).isNullValue()) {
2503 if ((C1->getValue() & C2->getValue()).isNullValue()) {
2526 (C3->getValue() & ~C1->getValue()).isNullValue() &&
2528 (C4->getValue() & ~C2->getValue()).isNullValue()) {
lib/Transforms/InstCombine/InstCombineCalls.cpp 391 if (Count.isNullValue())
1234 if (!Known.One.isNullValue() ||
lib/Transforms/InstCombine/InstCombineCasts.cpp 856 if ((ICI->getPredicate() == ICmpInst::ICMP_SLT && Op1CV->isNullValue()) ||
883 if ((Op1CV->isNullValue() || Op1CV->isPowerOf2()) &&
894 if (!Op1CV->isNullValue() && (*Op1CV != KnownZeroMask)) {
910 if (!Op1CV->isNullValue() == isNE) { // Toggle the low bit.
lib/Transforms/InstCombine/InstCombineCompares.cpp 80 if (C.isNullValue())
1164 if (AP2.isNullValue())
1223 if (AP2.isNullValue())
1699 if (Shift->hasOneUse() && C1.isNullValue() && Cmp.isEquality() &&
1724 if (isICMP_NE && Cmp.getType()->isVectorTy() && C1.isNullValue() &&
1737 if (Cmp.isEquality() && C1.isNullValue()) {
1787 if (!Cmp.isSigned() && C1.isNullValue() && And->getOperand(0)->hasOneUse() &&
1862 if (And->hasOneUse() && C.isNullValue() && match(Y, m_APInt(C2))) {
1908 if (!Cmp.isEquality() || !C.isNullValue() || !Or->hasOneUse())
2171 C.isNullValue())
2273 if (!C.isNullValue() || !match(SRem->getOperand(1), m_Power2(DivisorC)))
2353 if (C2->isNullValue() || C2->isOneValue() ||
2394 if (C.isNullValue()) { // (X / pos) op 0
2415 if (C.isNullValue()) { // (X / neg) op 0
2526 if (Pred == ICmpInst::ICMP_SGT && C.isNullValue())
2530 if (Pred == ICmpInst::ICMP_SLT && C.isNullValue())
2920 if (C.isNullValue() && BO->hasOneUse()) {
2937 } else if (C.isNullValue()) {
2958 } else if (C.isNullValue()) {
2971 } else if (C.isNullValue()) {
3000 if (C.isNullValue() && BO->hasNoSignedWrap()) {
3002 if (match(BOp1, m_APInt(BOC)) && !BOC->isNullValue()) {
3011 if (C.isNullValue()) {
3068 bool IsZero = C.isNullValue();
3082 if (C.isNullValue()) {
3093 if (C.isNullValue()) {
3961 if (match(BO0->getOperand(1), m_APInt(C)) && !C->isNullValue() &&
lib/Transforms/InstCombine/InstCombineInternal.h 124 return RHS.isNullValue();
133 return RHS.isNullValue();
lib/Transforms/InstCombine/InstCombineMulDivRem.cpp 660 if (C2.isNullValue())
759 if (!C2->isNullValue()) // avoid X udiv 0
lib/Transforms/InstCombine/InstCombineSelect.cpp 166 if (!TC.isNullValue() && !FC.isNullValue()) {
166 if (!TC.isNullValue() && !FC.isNullValue()) {
203 const APInt &ValC = !TC.isNullValue() ? TC : FC;
225 bool ShouldNotVal = !TC.isNullValue();
416 if (!C1I.isNullValue() && !C2I.isNullValue()) // One side must be zero.
416 if (!C1I.isNullValue() && !C2I.isNullValue()) // One side must be zero.
lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp 134 if (DemandedMask.isNullValue()) // Not demanding any bits from V.
736 if (DemandedElts.isNullValue())
1103 if (DemandedElts.isNullValue()) { // If nothing is demanded, provide undef.
lib/Transforms/Scalar/BDCE.cpp 102 DB.getDemandedBits(&I).isNullValue() &&
lib/Transforms/Scalar/Reassociate.cpp 1183 if (ConstOpnd.isNullValue())
1208 if (!Opnd1->isOrExpr() || Opnd1->getConstPart().isNullValue())
1265 if (!C3.isNullValue() && !C3.isAllOnesValue()) {
1281 if (!C3.isNullValue() && !C3.isAllOnesValue()) {
1372 if (!ConstOpnd.isNullValue() &&
1414 if (!ConstOpnd.isNullValue()) {
1423 assert(ConstOpnd.isNullValue());
tools/clang/lib/CodeGen/CGBuiltin.cpp14090 if (!MemConst.isNullValue())
tools/clang/lib/Lex/LiteralSupport.cpp 1158 for (int64_t i = BaseShift; i < 0 && !Val.isNullValue(); ++i)
tools/clang/lib/Sema/SemaExpr.cpp 3542 bool ValIsZero = Val.isNullValue() && !Overflowed;
tools/clang/lib/Sema/SemaOpenMP.cpp14777 if (!Result.Val.getInt().isNullValue()) {
14847 if (!ResultL.Val.getInt().isNullValue()) {
tools/clang/tools/extra/clang-tidy/bugprone/StringConstructorCheck.cpp 143 ((ConstPtr.Val.isInt() && ConstPtr.Val.getInt().isNullValue()) ||
unittests/ADT/APIntTest.cpp 2617 EXPECT_TRUE(D.getHiBits(Bits).isNullValue() != Overflow);
2715 if (!V.isNullValue() && V.countTrailingZeros() == 0) {
2720 EXPECT_TRUE(MulInv.isNullValue());
unittests/IR/ConstantRangeTest.cpp 513 assert(Lower1.isNullValue() && Upper3.isMaxValue());
utils/TableGen/PredicateExpander.cpp 453 if (PI.OperandMask.isNullValue())