[PowerPC] use UINT64_C instead of ul

Attempting to fix PR22078 (building on 32-bit systems) by replacing my careless
use of 1ul to be a uint64_t constant with UINT64_C(1).

llvm-svn: 225066
diff --git a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index c12a82c..efc0b7f 100644
--- a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -1127,7 +1127,7 @@
     for (unsigned i = 0; i < Bits.size(); ++i) {
       if (Bits[i].hasValue())
         continue;
-      Mask |= (1ul << i);
+      Mask |= (UINT64_C(1) << i);
     }
 
     return ~Mask;
@@ -1491,12 +1491,12 @@
 
         if (BG.StartIdx <= BG.EndIdx) {
           for (unsigned i = BG.StartIdx; i <= BG.EndIdx; ++i)
-            Mask |= (1ul << i);
+            Mask |= (UINT64_C(1) << i);
         } else {
           for (unsigned i = BG.StartIdx; i < Bits.size(); ++i)
-            Mask |= (1ul << i);
+            Mask |= (UINT64_C(1) << i);
           for (unsigned i = 0; i <= BG.EndIdx; ++i)
-            Mask |= (1ul << i);
+            Mask |= (UINT64_C(1) << i);
         }
       }