diff options
Diffstat (limited to 'lib/Analysis/InstructionSimplify.cpp')
| -rw-r--r-- | lib/Analysis/InstructionSimplify.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Analysis/InstructionSimplify.cpp b/lib/Analysis/InstructionSimplify.cpp index d9e3400f89..31cbbba596 100644 --- a/lib/Analysis/InstructionSimplify.cpp +++ b/lib/Analysis/InstructionSimplify.cpp @@ -758,7 +758,8 @@ static Value *SimplifyMulInst(Value *Op0, Value *Op1, const TargetData *TD, Value *X = 0, *Y = 0; if ((match(Op0, m_IDiv(m_Value(X), m_Value(Y))) && Y == Op1) || // (X / Y) * Y (match(Op1, m_IDiv(m_Value(X), m_Value(Y))) && Y == Op0)) { // Y * (X / Y) - BinaryOperator *Div = cast<BinaryOperator>(Y == Op1 ? Op0 : Op1); + PossiblyExactOperator *Div = + cast<PossiblyExactOperator>(Y == Op1 ? Op0 : Op1); if (Div->isExact()) return X; } @@ -842,7 +843,7 @@ static Value *SimplifyDiv(Instruction::BinaryOps Opcode, Value *Op0, Value *Op1, Value *X = 0, *Y = 0; if (match(Op0, m_Mul(m_Value(X), m_Value(Y))) && (X == Op1 || Y == Op1)) { if (Y != Op1) std::swap(X, Y); // Ensure expression is (X * Y) / Y, Y = Op1 - BinaryOperator *Mul = cast<BinaryOperator>(Op0); + OverflowingBinaryOperator *Mul = cast<OverflowingBinaryOperator>(Op0); // If the Mul knows it does not overflow, then we are good to go. if ((isSigned && Mul->hasNoSignedWrap()) || (!isSigned && Mul->hasNoUnsignedWrap())) |