[APInt] Use inplace shift methods where possible. NFCI

llvm-svn: 301612

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 439f67f1e15..7df762fee30 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2324,8 +2324,8 @@ void SelectionDAG::computeKnownBits(SDValue Op, APInt &KnownZero,
     if (const APInt *ShAmt = getValidShiftAmountConstant(Op)) {
       computeKnownBits(Op.getOperand(0), KnownZero, KnownOne, DemandedElts,
                        Depth + 1);
-      KnownZero = KnownZero << *ShAmt;
-      KnownOne = KnownOne << *ShAmt;
+      KnownZero <<= *ShAmt;
+      KnownOne <<= *ShAmt;
       // Low bits are known zero.
       KnownZero.setLowBits(ShAmt->getZExtValue());
     }
@@ -4161,7 +4161,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
     auto SignExtendInReg = [&](APInt Val, llvm::EVT ConstantVT) {
       unsigned FromBits = EVT.getScalarSizeInBits();
       Val <<= Val.getBitWidth() - FromBits;
-      Val = Val.ashr(Val.getBitWidth() - FromBits);
+      Val.ashrInPlace(Val.getBitWidth() - FromBits);
       return getConstant(Val, DL, ConstantVT);
     };