From 99e9b176411992a50af0d4d8ba8dd016202eee40 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 14 Mar 2004 22:16:52 +0000
Subject: [PATCH] New testcase that crashes the loop extractor

llvm-svn: 12399
---
 .../2004-03-14-NoSwitchSupport.ll             | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 llvm/test/Regression/Transforms/CodeExtractor/2004-03-14-NoSwitchSupport.ll

diff --git a/llvm/test/Regression/Transforms/CodeExtractor/2004-03-14-NoSwitchSupport.ll b/llvm/test/Regression/Transforms/CodeExtractor/2004-03-14-NoSwitchSupport.ll
new file mode 100644
index 000000000000..71445557f431
--- /dev/null
+++ b/llvm/test/Regression/Transforms/CodeExtractor/2004-03-14-NoSwitchSupport.ll
@@ -0,0 +1,27 @@
+; RUN: llvm-as < %s | opt -loop-extract-single -disable-output
+
+void %ab() {
+entry:
+	br label %codeReplTail
+
+then.1:		; preds = %codeReplTail
+	br label %loopentry.1
+
+loopentry.1:		; preds = %loopentry.1.preheader, %no_exit.1
+	br bool false, label %no_exit.1, label %loopexit.0.loopexit1
+
+no_exit.1:		; preds = %loopentry.1
+	br label %loopentry.1
+
+loopexit.0.loopexit:		; preds = %codeReplTail
+	ret void
+
+loopexit.0.loopexit1:		; preds = %loopentry.1
+	ret void
+
+codeReplTail:		; preds = %codeRepl, %codeReplTail
+	switch ushort 0, label %codeReplTail [
+		 ushort 0, label %loopexit.0.loopexit
+		 ushort 1, label %then.1
+	]
+}
-- 
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