Add a flag for indirect branch instructions.

Target maintainers: please check that the instructions for your target are correctly marked.

llvm-svn: 44012
diff --git a/llvm/utils/TableGen/CodeGenTarget.cpp b/llvm/utils/TableGen/CodeGenTarget.cpp
index ea96cf4..4de05b2 100644
--- a/llvm/utils/TableGen/CodeGenTarget.cpp
+++ b/llvm/utils/TableGen/CodeGenTarget.cpp
@@ -379,6 +379,7 @@
 
   isReturn     = R->getValueAsBit("isReturn");
   isBranch     = R->getValueAsBit("isBranch");
+  isIndirectBranch = R->getValueAsBit("isIndirectBranch");
   isBarrier    = R->getValueAsBit("isBarrier");
   isCall       = R->getValueAsBit("isCall");
   isLoad       = R->getValueAsBit("isLoad");