Convert SelectionDAG::ComputeMaskedBits to use APInt instead of uint64_t.
Add an overload that supports the uint64_t interface for use by clients
that haven't been updated yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47039 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp
index 3cac41f..e060b36 100644
--- a/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -2676,13 +2676,12 @@
 
 void
 SPUTargetLowering::computeMaskedBitsForTargetNode(const SDOperand Op,
-                                                  uint64_t Mask,
-                                                  uint64_t &KnownZero, 
-                                                  uint64_t &KnownOne,
+                                                  APInt Mask,
+                                                  APInt &KnownZero, 
+                                                  APInt &KnownOne,
                                                   const SelectionDAG &DAG,
                                                   unsigned Depth ) const {
-  KnownZero = 0;
-  KnownOne = 0;
+  KnownZero = KnownOne = APInt(Mask.getBitWidth(), 0);
 }
 
 // LowerAsmOperandForConstraint