diff options
| -rw-r--r-- | llvm/lib/Analysis/InstructionSimplify.cpp | 2 | ||||
| -rw-r--r-- | llvm/lib/Analysis/ValueTracking.cpp | 4 | ||||
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 2 | ||||
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstructionCombining.cpp | 4 |
4 files changed, 6 insertions, 6 deletions
diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp index 70abc07f011..bca3435863e 100644 --- a/llvm/lib/Analysis/InstructionSimplify.cpp +++ b/llvm/lib/Analysis/InstructionSimplify.cpp @@ -1081,7 +1081,7 @@ static Value *SimplifyDiv(Instruction::BinaryOps Opcode, Value *Op0, Value *Op1, if (!isSigned && match(Op0, m_UDiv(m_Value(X), m_ConstantInt(C1))) && match(Op1, m_ConstantInt(C2))) { bool Overflow; - C1->getValue().umul_ov(C2->getValue(), Overflow); + (void)C1->getValue().umul_ov(C2->getValue(), Overflow); if (Overflow) return Constant::getNullValue(Op0->getType()); } diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp index 974ec02598f..0bbb37295f1 100644 --- a/llvm/lib/Analysis/ValueTracking.cpp +++ b/llvm/lib/Analysis/ValueTracking.cpp @@ -3558,14 +3558,14 @@ OverflowResult llvm::computeOverflowForUnsignedMul(const Value *LHS, // We know the multiply operation doesn't overflow if the maximum values for // each operand will not overflow after we multiply them together. bool MaxOverflow; - LHSMax.umul_ov(RHSMax, MaxOverflow); + (void)LHSMax.umul_ov(RHSMax, MaxOverflow); if (!MaxOverflow) return OverflowResult::NeverOverflows; // We know it always overflows if multiplying the smallest possible values for // the operands also results in overflow. bool MinOverflow; - LHSKnownOne.umul_ov(RHSKnownOne, MinOverflow); + (void)LHSKnownOne.umul_ov(RHSKnownOne, MinOverflow); if (MinOverflow) return OverflowResult::AlwaysOverflows; diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 8c677d901e4..c41d62716f2 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2833,7 +2833,7 @@ SelectionDAG::OverflowKind SelectionDAG::computeOverflowKind(SDValue N0, computeKnownBits(N0, N0Zero, N0One); bool overflow; - (~N0Zero).uadd_ov(~N1Zero, overflow); + (void)(~N0Zero).uadd_ov(~N1Zero, overflow); if (!overflow) return OFK_Never; } diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp index 88ef17bbc8f..81f2d9fa179 100644 --- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp +++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp @@ -148,9 +148,9 @@ static bool MaintainNoSignedWrap(BinaryOperator &I, Value *B, Value *C) { bool Overflow = false; if (Opcode == Instruction::Add) - BVal->sadd_ov(*CVal, Overflow); + (void)BVal->sadd_ov(*CVal, Overflow); else - BVal->ssub_ov(*CVal, Overflow); + (void)BVal->ssub_ov(*CVal, Overflow); return !Overflow; } |
