[APInt] Use operator<<= where possible. NFC

llvm-svn: 301104

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index cdff32b..eb0b0b9 100644 (file)
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2323,8 +2323,8 @@ 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());
     }

diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index ac3934d..16ad1a3 100644 (file)
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -1714,7 +1714,7 @@ SDValue TargetLowering::SimplifySetCC(EVT VT, SDValue N0, SDValue N1,
               bestWidth = width;
               break;
             }
-            newMask = newMask << width;
+            newMask <<= width;
           }
         }
       }

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 5c2b134..d5bc443 100644 (file)
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -26717,8 +26717,8 @@ void X86TargetLowering::computeKnownBitsForTargetNode(const SDValue Op,
       DAG.computeKnownBits(Op.getOperand(0), KnownZero, KnownOne, Depth + 1);
       unsigned ShAmt = ShiftImm->getZExtValue();
       if (Opc == X86ISD::VSHLI) {
-        KnownZero = KnownZero << ShAmt;
-        KnownOne = KnownOne << ShAmt;
+        KnownZero <<= ShAmt;
+        KnownOne <<= ShAmt;
         // Low bits are known zero.
         KnownZero.setLowBits(ShAmt);
       } else {