From 03dac74d40e127739c6678fa4e60dc7aeacaae0f Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Thu, 23 Apr 2009 04:33:42 +0000
Subject: [PATCH] Testcase for PR3909.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69868 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Analysis/ScalarEvolution/pr3909.ll | 30 +++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 test/Analysis/ScalarEvolution/pr3909.ll

diff --git a/test/Analysis/ScalarEvolution/pr3909.ll b/test/Analysis/ScalarEvolution/pr3909.ll
new file mode 100644
index 00000000000..80720c724af
--- /dev/null
+++ b/test/Analysis/ScalarEvolution/pr3909.ll
@@ -0,0 +1,30 @@
+; RUN: llvm-as < %s | opt -indvars -disable-output
+; PR 3909
+
+
+	type { i32, %1* }		; type %0
+	type { i32, i8* }		; type %1
+
+define x86_stdcallcc i32 @_Dmain(%0 %unnamed) {
+entry:
+	br label %whilebody
+
+whilebody:		; preds = %endwhile5, %entry
+	%i.0 = phi i64 [ 0, %entry ], [ %tmp11, %endwhile5 ]		; <i64> [#uses=1]
+	%m.0 = phi i64 [ 0, %entry ], [ %tmp11, %endwhile5 ]		; <i64> [#uses=2]
+	%tmp2 = mul i64 %m.0, %m.0		; <i64> [#uses=1]
+	br label %whilecond3
+
+whilecond3:		; preds = %whilebody4, %whilebody
+	%j.0 = phi i64 [ %tmp2, %whilebody ], [ %tmp9, %whilebody4 ]		; <i64> [#uses=2]
+	%tmp7 = icmp ne i64 %j.0, 0		; <i1> [#uses=1]
+	br i1 %tmp7, label %whilebody4, label %endwhile5
+
+whilebody4:		; preds = %whilecond3
+	%tmp9 = add i64 %j.0, 1		; <i64> [#uses=1]
+	br label %whilecond3
+
+endwhile5:		; preds = %whilecond3
+	%tmp11 = add i64 %i.0, 1		; <i64> [#uses=2]
+	br label %whilebody
+}