diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp index 6b11fe728fa..ee2136357ae 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp @@ -171,14 +171,13 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { if (match(&I, m_Mul(m_Value(NewOp), m_Constant(C1)))) { // Replace X*(2^C) with X << C, where C is either a scalar or a vector. if (Constant *NewCst = getLogBase2(NewOp->getType(), C1)) { - unsigned Width = NewCst->getType()->getPrimitiveSizeInBits(); BinaryOperator *Shl = BinaryOperator::CreateShl(NewOp, NewCst); if (I.hasNoUnsignedWrap()) Shl->setHasNoUnsignedWrap(); if (I.hasNoSignedWrap()) { const APInt *V; - if (match(NewCst, m_APInt(V)) && *V != Width - 1) + if (match(NewCst, m_APInt(V)) && *V != V->getBitWidth() - 1) Shl->setHasNoSignedWrap(); } |
