New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5660 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LICM/2003-02-27-PreheaderExitNodeUpdate.ll b/test/Transforms/LICM/2003-02-27-PreheaderExitNodeUpdate.ll
new file mode 100644 (file)
index 0000000..85ec34e
--- /dev/null
+++ b/test/Transforms/LICM/2003-02-27-PreheaderExitNodeUpdate.ll
@@ -0,0 +1,19 @@
+; This testcase fails because preheader insertion is not updating exit node 
+; information for loops.
+
+; RUN: as < %s | opt -licm
+
+int %main(int %argc, sbyte** %argv) {
+bb0:            ; No predecessors!
+        br bool false, label %bb7, label %bb5
+
+bb5:            ; preds = %bb5, %bb0
+        br bool false, label %bb5, label %bb7
+
+bb7:            ; preds = %bb7, %bb5, %bb0
+        br bool false, label %bb7, label %bb10
+
+bb10:           ; preds = %bb7
+        ret int 0
+}
+