From 13b25df0e927dd70b9fa60f2a354ce2c63a689bb Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 24 Jul 2007 01:02:25 +0000
Subject: Unreachable block is not a root node in post dominator tree.

llvm-svn: 40458
---
 llvm/test/Transforms/ADCE/2007-07-23-InfiniteLoop.ll | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 llvm/test/Transforms/ADCE/2007-07-23-InfiniteLoop.ll

(limited to 'llvm/test/Transforms/ADCE')

diff --git a/llvm/test/Transforms/ADCE/2007-07-23-InfiniteLoop.ll b/llvm/test/Transforms/ADCE/2007-07-23-InfiniteLoop.ll
new file mode 100644
index 00000000000..f3500ed7e18
--- /dev/null
+++ b/llvm/test/Transforms/ADCE/2007-07-23-InfiniteLoop.ll
@@ -0,0 +1,13 @@
+; RUN: llvm-as < %s |   opt -adce | llvm-dis | grep switch
+; PR 1564
+  
+define fastcc void @out() {
+    start:
+            br label %loop
+    unreachable:
+            unreachable
+    loop:
+            switch i32 0, label %unreachable [
+                     i32 0, label %loop
+            ]
+}
-- 
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