Add a query to tell if a landing pad has a catch-all.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177675 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/IR/Instructions.h

@@ -2230,6 +2230,9 @@ public:
   /// to determine what type of clause this is.
   Value *getClause(unsigned Idx) const { return OperandList[Idx + 1]; }
 
+  /// hasCatchAll - Return 'true' if this landing pad has a catch-all.
+  bool hasCatchAll() const;
+
   /// isCatch - Return 'true' if the clause and index Idx is a catch clause.
   bool isCatch(unsigned Idx) const {
     return !isa<ArrayType>(OperandList[Idx + 1]->getType());