[mlir][tosa] Bitwidth mismatch should be long-long not long

mlir/lib/Dialect/Tosa/IR/TosaCanonicalizations.cpp

if (val.isExactlyValue(1.0))
       return lhs;
   }
 
   if (lhsAttr && lhsAttr.isSplat() && resultETy.isa<IntegerType>()) {
     auto val = lhsAttr.getSplatValue<APInt>();
     if (val.isZero())
       return lhsAttr;
     const int64_t shift = getShift();
-    const int64_t shifted = 1L << shift;
+    const int64_t shifted = 1LL << shift;
     if (val.getSExtValue() == shifted)
       return rhs;
   }
 
   if (rhsAttr && rhsAttr.isSplat() && resultETy.isa<IntegerType>()) {
     auto val = rhsAttr.getSplatValue<APInt>();
     const int64_t shift = getShift();
-    const int64_t shifted = 1L << shift;
+    const int64_t shifted = 1LL << shift;
     if (val.isZero())
       return rhsAttr;
     if (val.getSExtValue() == shifted)
       return lhs;
   }
 
   return MulBinaryFolder(lhsAttr, rhsAttr, lhsTy, getShift());
 }