commit d3d06a5cd80a718a640e26350954197fb133800a
author Chris Lattner <sabre@nondot.org> Tue Oct 08 21:53:51 2002 +0000
committer Chris Lattner <sabre@nondot.org> Tue Oct 08 21:53:51 2002 +0000
tree 8d2b8df9ef2b59ea1f9b79da9ce8e16288c45b58
parent dee430d26e14a3d7c8d86688d49ac8b116aa044f

  - Fix bug: cee/2002-10-07-NoImmediateDominator.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4081 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/BreakCriticalEdges.cpp

diff --git a/lib/Transforms/Scalar/BreakCriticalEdges.cpp b/lib/Transforms/Scalar/BreakCriticalEdges.cpp
index b73ed55..0c4974d 100644
--- a/lib/Transforms/Scalar/BreakCriticalEdges.cpp
+++ b/lib/Transforms/Scalar/BreakCriticalEdges.cpp
@@ -118,7 +118,8 @@
     // The new block is not the immediate dominator for any other nodes, but
     // TINode is the immediate dominator for the new node.
     //
-    DT->createNewNode(NewBB, TINode);
+    if (TINode)        // Don't break unreachable code!
+      DT->createNewNode(NewBB, TINode);
   }
 }
 

lib/Transforms/Utils/BreakCriticalEdges.cpp

diff --git a/lib/Transforms/Utils/BreakCriticalEdges.cpp b/lib/Transforms/Utils/BreakCriticalEdges.cpp
index b73ed55..0c4974d 100644
--- a/lib/Transforms/Utils/BreakCriticalEdges.cpp
+++ b/lib/Transforms/Utils/BreakCriticalEdges.cpp
@@ -118,7 +118,8 @@
     // The new block is not the immediate dominator for any other nodes, but
     // TINode is the immediate dominator for the new node.
     //
-    DT->createNewNode(NewBB, TINode);
+    if (TINode)        // Don't break unreachable code!
+      DT->createNewNode(NewBB, TINode);
   }
 }