Add a constified getLandingPad() method.

llvm-svn: 149303

llvm/include/llvm/BasicBlock.h

@@ -268,6 +268,7 @@ public:
   /// getLandingPadInst() - Return the landingpad instruction associated with
   /// the landing pad.
   LandingPadInst *getLandingPadInst();
+  const LandingPadInst *getLandingPadInst() const;
 
 private:
   /// AdjustBlockAddressRefCount - BasicBlock stores the number of BlockAddress

llvm/lib/VMCore/BasicBlock.cpp

@@ -366,3 +366,6 @@ bool BasicBlock::isLandingPad() const {
 LandingPadInst *BasicBlock::getLandingPadInst() {
   return dyn_cast<LandingPadInst>(getFirstNonPHI());
 }
+const LandingPadInst *BasicBlock::getLandingPadInst() const {
+  return dyn_cast<LandingPadInst>(getFirstNonPHI());
+}