[Hexagon] Remove unused option

llvm-svn: 277496

llvm/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp

@@ -25,13 +25,6 @@ using namespace llvm;
 
 #define DEBUG_TYPE "hexagon-isel"
 
-static
-cl::opt<unsigned>
-MaxNumOfUsesForConstExtenders("ga-max-num-uses-for-constant-extenders",
-  cl::Hidden, cl::init(2),
-  cl::desc("Maximum number of uses of a global address such that we still us a"
-           "constant extended instruction"));
-
 static
 cl::opt<bool>
 EnableAddressRebalancing("isel-rebalance-addr", cl::Hidden, cl::init(true),