From 67982da351c93358080c79733630c59b55891d39 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 18 Feb 2011 05:05:01 +0000
Subject: add a testcase for r125827

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125831 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/LoopUnroll/basic.ll | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 test/Transforms/LoopUnroll/basic.ll

(limited to 'test/Transforms/LoopUnroll/basic.ll')

diff --git a/test/Transforms/LoopUnroll/basic.ll b/test/Transforms/LoopUnroll/basic.ll
new file mode 100644
index 0000000000..eeb3e9a57b
--- /dev/null
+++ b/test/Transforms/LoopUnroll/basic.ll
@@ -0,0 +1,24 @@
+; RUN: opt < %s -loop-unroll -S | FileCheck %s
+
+
+; This should not unroll since the address of the loop header is taken.
+
+; CHECK: @test1
+; CHECK: store i8* blockaddress(@test1, %l1), i8** %P
+; CHECK: l1:
+; CHECK-NEXT: phi i32
+; rdar://8287027
+define i32 @test1(i8** %P) nounwind ssp {
+entry:
+  store i8* blockaddress(@test1, %l1), i8** %P
+  br label %l1
+
+l1:                                               ; preds = %l1, %entry
+  %x.0 = phi i32 [ 0, %entry ], [ %inc, %l1 ]
+  %inc = add nsw i32 %x.0, 1
+  %exitcond = icmp eq i32 %inc, 3
+  br i1 %exitcond, label %l2, label %l1
+
+l2:                                               ; preds = %l1
+  ret i32 0
+}
-- 
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