Rename ComputeMaskedBits to computeKnownBits. "Masked" has been
inappropriate since it lost its Mask parameter in r154011.

llvm-svn: 208811
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.h b/llvm/lib/Target/PowerPC/PPCISelLowering.h
index 98bdf26..080ef5d 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.h
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.h
@@ -400,11 +400,11 @@
 
     unsigned getRegisterByName(const char* RegName, EVT VT) const override;
 
-    void computeMaskedBitsForTargetNode(const SDValue Op,
-                                        APInt &KnownZero,
-                                        APInt &KnownOne,
-                                        const SelectionDAG &DAG,
-                                        unsigned Depth = 0) const override;
+    void computeKnownBitsForTargetNode(const SDValue Op,
+                                       APInt &KnownZero,
+                                       APInt &KnownOne,
+                                       const SelectionDAG &DAG,
+                                       unsigned Depth = 0) const override;
 
     MachineBasicBlock *
       EmitInstrWithCustomInserter(MachineInstr *MI,