New test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5665 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LICM/2003-02-27-NestedLoopExitBlocks.ll b/test/Transforms/LICM/2003-02-27-NestedLoopExitBlocks.ll
new file mode 100644 (file)
index 0000000..0eb922d
--- /dev/null
+++ b/test/Transforms/LICM/2003-02-27-NestedLoopExitBlocks.ll
@@ -0,0 +1,22 @@
+; Exit blocks need to be updated for all nested loops...
+
+; RUN: as < %s | opt -preheaders
+
+implementation   ; Functions:
+
+int %yyparse() {
+bb0:           ; No predecessors!
+       br bool false, label %UnifiedExitNode, label %bb19
+
+bb19:          ; preds = %bb28, %bb0
+       br bool false, label %bb28, label %UnifiedExitNode
+
+bb28:          ; preds = %bb32, %bb19
+       br bool false, label %bb32, label %bb19
+
+bb32:          ; preds = %bb28
+       br bool false, label %UnifiedExitNode, label %bb28
+
+UnifiedExitNode:               ; preds = %bb32, %bb19, %bb0
+       ret int 0
+}