diff --git a/llvm/_core.c b/llvm/_core.c
index 3d15ea1..423570d 100644
--- a/llvm/_core.c
+++ b/llvm/_core.c
@@ -568,6 +568,9 @@ _wrap_obj2obj(LLVMGetInstructionCallConv, LLVMValueRef, int)
 _wrap_objintenum2none(LLVMAddInstrAttribute, LLVMValueRef, LLVMAttribute)
 _wrap_objintenum2none(LLVMRemoveInstrAttribute, LLVMValueRef, LLVMAttribute)
 _wrap_objintint2none(LLVMSetInstrParamAlignment, LLVMValueRef)
+_wrap_obj2obj(LLVMIsTailCall, LLVMValueRef, int)
+_wrap_objint2none(LLVMSetTailCall, LLVMValueRef)
+
 
 /*===-- PHI Nodes --------------------------------------------------------===*/
 
@@ -1371,6 +1374,8 @@ static PyMethodDef core_methods[] = {
     /* Call Sites (Call or Invoke) */
     _method( LLVMSetInstructionCallConv )    
     _method( LLVMGetInstructionCallConv )    
+    _method( LLVMIsTailCall )
+    _method( LLVMSetTailCall )
     _method( LLVMAddInstrAttribute )    
     _method( LLVMRemoveInstrAttribute )    
     _method( LLVMSetInstrParamAlignment )    
diff --git a/llvm/core.py b/llvm/core.py
index 64ca354..e7e444a 100644
--- a/llvm/core.py
+++ b/llvm/core.py
@@ -1404,6 +1404,10 @@ class CallOrInvokeInstruction(Instruction):
     def set_parameter_alignment(self, idx, align):
         _core.LLVMSetInstrParamAlignment(self.ptr, idx, align)
 
+    def _get_tc(self): return _core.LLVMIsTailCall(self.ptr)
+    def _set_tc(self, value): _core.LLVMSetTailCall(self.ptr, value)
+    tail_call = property(_get_tc, _set_tc)
+
 
 class PHINode(Instruction):