From 4c7fcbf77b3a1d8a2acca406ee0e5bdca0b880c8 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 18 Mar 2004 05:33:39 +0000
Subject: [PATCH] New testcase

llvm-svn: 12488
---
 .../2004-03-17-UpdatePHIsOutsideRegion.ll     | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 llvm/test/Regression/Transforms/CodeExtractor/2004-03-17-UpdatePHIsOutsideRegion.ll

diff --git a/llvm/test/Regression/Transforms/CodeExtractor/2004-03-17-UpdatePHIsOutsideRegion.ll b/llvm/test/Regression/Transforms/CodeExtractor/2004-03-17-UpdatePHIsOutsideRegion.ll
new file mode 100644
index 000000000000..3a91e1d40e4b
--- /dev/null
+++ b/llvm/test/Regression/Transforms/CodeExtractor/2004-03-17-UpdatePHIsOutsideRegion.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-as < %s | opt -loop-extract -disable-output
+
+
+void %maketree() {
+entry:
+	br bool false, label %no_exit.1, label %loopexit.0
+
+no_exit.1:		; preds = %entry, %expandbox.entry, %endif
+	br bool false, label %endif, label %expandbox.entry
+
+expandbox.entry:		; preds = %no_exit.1
+	br bool false, label %loopexit.1, label %no_exit.1
+
+endif:		; preds = %no_exit.1
+	br bool false, label %loopexit.1, label %no_exit.1
+
+loopexit.1:		; preds = %expandbox.entry, %endif
+	%ic.i.0.0.4 = phi int [ 0, %expandbox.entry ], [ 0, %endif ]		; <int> [#uses=0]
+	ret void
+
+loopexit.0:		; preds = %entry
+	ret void
+}