commit a3bb86dd6b6220c69d9d7e4e11aea42fa1ec2bc5
author Chris Lattner <sabre@nondot.org> Mon Jun 12 18:25:29 2006 +0000
committer Chris Lattner <sabre@nondot.org> Mon Jun 12 18:25:29 2006 +0000
tree 75908840d2fabb1e8694be75f0e767eae61afed1
parent 1398421ccf060f4894d5ff8fe913bc6a5493dc33

Make sure to update the CFG correctly if a switch only has a default dest.
This fixes CodeGen/Generic/2006-06-12-LowerSwitchCrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28755 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 0a9cb63..1c8714d 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -869,6 +869,7 @@
     if (DefaultMBB != NextBlock)
       DAG.setRoot(DAG.getNode(ISD::BR, MVT::Other, getRoot(),
                               DAG.getBasicBlock(DefaultMBB)));
+    CurMBB->addSuccessor(DefaultMBB);
     return;
   }