Add a couple of convenience functions:

* InvokeInst: Get the landingpad instruction associated with this invoke.
* LandingPadInst: A method to reserve extra space for clauses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136325 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/include/llvm/Instructions.h b/include/llvm/Instructions.h
index d337002e0b..82d58162f6 100644
--- a/include/llvm/Instructions.h
+++ b/include/llvm/Instructions.h
@@ -1870,6 +1870,10 @@ public:
   /// getNumClauses - Get the number of clauses for this landing pad.
   unsigned getNumClauses() const { return getNumOperands() - 1; }
 
+  /// reserveClauses - Grow the size of the operand list to accomodate the new
+  /// number of clauses.
+  void reserveClauses(unsigned Size);
+
   // Methods for support type inquiry through isa, cast, and dyn_cast:
   static inline bool classof(const LandingPadInst *) { return true; }
   static inline bool classof(const Instruction *I) {
@@ -2474,6 +2478,10 @@ public:
     Op<-1>() = reinterpret_cast<Value*>(B);
   }
 
+  // getLandingPad - Get the landingpad instruction from the landing pad block
+  // (the unwind destination).
+  LandingPadInst *getLandingPad() const;
+
   BasicBlock *getSuccessor(unsigned i) const {
     assert(i < 2 && "Successor # out of range for invoke!");
     return i == 0 ? getNormalDest() : getUnwindDest();