add enough support for indirect branch for the feature test to pass
(assembler,asmprinter, bc reader+writer) and document it.  Codegen
currently aborts on it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85274 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index b220d55..73c9c5f 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -2131,6 +2131,11 @@
   }
 }
 
+void SelectionDAGLowering::visitIndBr(IndBrInst &I) {
+  fprintf(stderr, "indbr codegen not implemented yet");
+  abort();
+}
+
 
 void SelectionDAGLowering::visitFSub(User &I) {
   // -0.0 - X --> fneg