diff options
| -rw-r--r-- | llvm/lib/Analysis/ScalarEvolution.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp index d49135a1b49..a2a2d8bbb95 100644 --- a/llvm/lib/Analysis/ScalarEvolution.cpp +++ b/llvm/lib/Analysis/ScalarEvolution.cpp @@ -1768,13 +1768,13 @@ ScalarEvolution::getZeroExtendExpr(const SCEV *Op, Type *Ty, unsigned Depth) { } } - if (auto *SA = dyn_cast<SCEVMulExpr>(Op)) { + if (auto *SM = dyn_cast<SCEVMulExpr>(Op)) { // zext((A * B * ...)<nuw>) --> (zext(A) * zext(B) * ...)<nuw> - if (SA->hasNoUnsignedWrap()) { + if (SM->hasNoUnsignedWrap()) { // If the multiply does not unsign overflow then we can, by definition, // commute the zero extension with the multiply operation. SmallVector<const SCEV *, 4> Ops; - for (const auto *Op : SA->operands()) + for (const auto *Op : SM->operands()) Ops.push_back(getZeroExtendExpr(Op, Ty, Depth + 1)); return getMulExpr(Ops, SCEV::FlagNUW, Depth + 1); } @@ -1791,10 +1791,10 @@ ScalarEvolution::getZeroExtendExpr(const SCEV *Op, Type *Ty, unsigned Depth) { // = zext((2^K * (trunc X to i{N-K}))<nuw>) to iM // = (2^K * (zext(trunc X to i{N-K}) to iM))<nuw>. // - if (SA->getNumOperands() == 2) - if (auto *MulLHS = dyn_cast<SCEVConstant>(SA->getOperand(0))) + if (SM->getNumOperands() == 2) + if (auto *MulLHS = dyn_cast<SCEVConstant>(SM->getOperand(0))) if (MulLHS->getAPInt().isPowerOf2()) - if (auto *TruncRHS = dyn_cast<SCEVTruncateExpr>(SA->getOperand(1))) { + if (auto *TruncRHS = dyn_cast<SCEVTruncateExpr>(SM->getOperand(1))) { int NewTruncBits = getTypeSizeInBits(TruncRHS->getType()) - MulLHS->getAPInt().logBase2(); Type *NewTruncTy = IntegerType::get(getContext(), NewTruncBits); |
