From b211b5c4788e16aa0e0e6661715ad99886daf387 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Thu, 23 Apr 2009 04:26:42 +0000
Subject: [PATCH] Testcase for PR2537.

llvm-svn: 69866
---
 .../Transforms/LoopStrengthReduce/pr2537.ll   | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 llvm/test/Transforms/LoopStrengthReduce/pr2537.ll

diff --git a/llvm/test/Transforms/LoopStrengthReduce/pr2537.ll b/llvm/test/Transforms/LoopStrengthReduce/pr2537.ll
new file mode 100644
index 000000000000..e9be384e6f7a
--- /dev/null
+++ b/llvm/test/Transforms/LoopStrengthReduce/pr2537.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | opt -loop-reduce -disable-output
+; PR 2537
+
+define void @a() {
+entry:
+        br label %dobody
+
+dobody:         ; preds = %dobody, %entry
+        %y.0 = phi i128 [ 0, %entry ], [ %add, %dobody ]
+        %x.0 = phi i128 [ 0, %entry ], [ %add2, %dobody ]
+        %add = add i128 %y.0, shl (i128 1, i128 64)
+        %add2 = add i128 %x.0, shl (i128 1, i128 48)
+        call void @b( i128 %add )
+        %cmp = icmp ult i128 %add2, shl (i128 1, i128 64)
+        br i1 %cmp, label %dobody, label %afterdo
+
+afterdo:                ; preds = %dobody
+        ret void
+}
+
+declare void @b(i128 %add)
\ No newline at end of file