From 74332be31efa6f06d53db4f6527121159382a40c Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 19 Apr 2004 18:06:34 +0000
Subject: [PATCH] New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13067 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/LoopUnswitch/basictest.ll | 35 +++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 test/Transforms/LoopUnswitch/basictest.ll

diff --git a/test/Transforms/LoopUnswitch/basictest.ll b/test/Transforms/LoopUnswitch/basictest.ll
new file mode 100644
index 00000000000..12fef813b8c
--- /dev/null
+++ b/test/Transforms/LoopUnswitch/basictest.ll
@@ -0,0 +1,35 @@
+; RUN: llvm-as < %s | opt -loop-unswitch -disable-output
+implementation   ; Functions:
+
+int %test(int* %A, bool %C) {
+entry:
+	br label %no_exit
+
+no_exit:		; preds = %entry, %no_exit.backedge
+	%i.0.0 = phi uint [ 0, %entry ], [ %i.0.0.be, %no_exit.backedge ]		; <uint> [#uses=3]
+	%tmp.7 = getelementptr int* %A, uint %i.0.0		; <int*> [#uses=4]
+	%tmp.13 = load int* %tmp.7		; <int> [#uses=1]
+	%tmp.14 = add int %tmp.13, 1		; <int> [#uses=1]
+	store int %tmp.14, int* %tmp.7
+	br bool %C, label %then, label %endif
+
+then:		; preds = %no_exit
+	%tmp.29 = load int* %tmp.7		; <int> [#uses=1]
+	%tmp.30 = add int %tmp.29, 2		; <int> [#uses=1]
+	store int %tmp.30, int* %tmp.7
+	%inc9 = add uint %i.0.0, 1		; <uint> [#uses=2]
+	%tmp.112 = setlt uint %inc9, 100000		; <bool> [#uses=1]
+	br bool %tmp.112, label %no_exit.backedge, label %return
+
+no_exit.backedge:		; preds = %then, %endif
+	%i.0.0.be = phi uint [ %inc9, %then ], [ %inc, %endif ]		; <uint> [#uses=1]
+	br label %no_exit
+
+endif:		; preds = %no_exit
+	%inc = add uint %i.0.0, 1		; <uint> [#uses=2]
+	%tmp.1 = setlt uint %inc, 100000		; <bool> [#uses=1]
+	br bool %tmp.1, label %no_exit.backedge, label %return
+
+return:		; preds = %then, %endif
+	ret int %tmp.13
+}