From d0069a08b94cb8afda82f868d0f9066505f7eb73 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 9 Dec 2003 22:05:08 +0000
Subject: [PATCH] Add a new testcase which breaks the sinker because the loop
 canonnicalization pass does not do a canonnicalization that the sinker wants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10346 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/LICM/sink_critical_edge.ll | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 test/Transforms/LICM/sink_critical_edge.ll

diff --git a/test/Transforms/LICM/sink_critical_edge.ll b/test/Transforms/LICM/sink_critical_edge.ll
new file mode 100644
index 00000000000..6cd081887b0
--- /dev/null
+++ b/test/Transforms/LICM/sink_critical_edge.ll
@@ -0,0 +1,19 @@
+; This testcase checks to make sure the sinker does not cause problems with
+; critical edges.
+
+; RUN: llvm-as < %s | opt -licm | llvm-dis | grep -C1 add | grep Exit
+
+implementation   ; Functions:
+
+void %test() {
+Entry:
+	br bool false, label %Loop, label %Exit
+
+Loop:
+	%X = add int 0, 1
+	br bool false, label %Loop, label %Exit
+
+Exit:
+	%Y = phi int [ 0, %Entry ], [ %X, %Loop ]
+	ret void
+}