Index: include/llvm/IR/CallSite.h
===================================================================
--- include/llvm/IR/CallSite.h
+++ include/llvm/IR/CallSite.h
@@ -243,11 +243,11 @@
 
   IterTy data_operands_begin() const {
     assert(getInstruction() && "Not a call or invoke instruction!");
-    return (*this)->op_begin();
+    return cast<CallBase>(getInstruction())->data_operands_begin();
   }
   IterTy data_operands_end() const {
     assert(getInstruction() && "Not a call or invoke instruction!");
-    return (*this)->op_end() - (isCall() ? 1 : 3);
+    return cast<CallBase>(getInstruction())->data_operands_end();
   }
   iterator_range<IterTy> data_ops() const {
     return make_range(data_operands_begin(), data_operands_end());
@@ -579,13 +579,9 @@
 #undef CALLSITE_DELEGATE_SETTER
 
   void getOperandBundlesAsDefs(SmallVectorImpl<OperandBundleDef> &Defs) const {
-    const Instruction *II = getInstruction();
     // Since this is actually a getter that "looks like" a setter, don't use the
     // above macros to avoid confusion.
-    if (isCall())
-      cast<CallInst>(II)->getOperandBundlesAsDefs(Defs);
-    else
-      cast<InvokeInst>(II)->getOperandBundlesAsDefs(Defs);
+    cast<CallBase>(getInstruction())->getOperandBundlesAsDefs(Defs);
   }
 
   /// Determine whether this data operand is not captured.
Index: include/llvm/IR/InstrTypes.h
===================================================================
--- include/llvm/IR/InstrTypes.h
+++ include/llvm/IR/InstrTypes.h
@@ -1232,6 +1232,9 @@
                                (ID << 2));
   }
 
+  /// Check if this call is an inline asm statement.
+  bool isInlineAsm() const { return isa<InlineAsm>(getCalledOperand()); }
+
   /// \name Attribute API
   ///
   /// These methods access and modify attributes on this call (including
Index: include/llvm/IR/Instructions.h
===================================================================
--- include/llvm/IR/Instructions.h
+++ include/llvm/IR/Instructions.h
@@ -1703,9 +1703,6 @@
     addAttribute(AttributeList::FunctionIndex, Attribute::ReturnsTwice);
   }
 
-  /// Check if this call is an inline asm statement.
-  bool isInlineAsm() const { return isa<InlineAsm>(getCalledOperand()); }
-
   // Methods for support type inquiry through isa, cast, and dyn_cast:
   static bool classof(const Instruction *I) {
     return I->getOpcode() == Instruction::Call;