From b95df124b26deae9221c05ea994464e4b5bc7f29 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Tue, 31 Aug 2010 18:49:12 +0000
Subject: [PATCH] Add a test for the duplicated-conditional situation
 illutrated by PR5652.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112621 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/JumpThreading/basic.ll | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/test/Transforms/JumpThreading/basic.ll b/test/Transforms/JumpThreading/basic.ll
index a2a5c1b3fe3..cd274e78c9f 100644
--- a/test/Transforms/JumpThreading/basic.ll
+++ b/test/Transforms/JumpThreading/basic.ll
@@ -452,3 +452,27 @@ right_ret:
 	ret i32 1
 }
 
+; PR5652
+; CHECK: @test15
+define i32 @test15(i32 %len) {
+entry:
+; CHECK: icmp ult i32 %len, 13
+  %tmp = icmp ult i32 %len, 13
+  br i1 %tmp, label %check, label %exit0
+
+exit0:
+  ret i32 0
+
+check:
+  %tmp9 = icmp ult i32 %len, 21
+  br i1 %tmp9, label %exit1, label %exit2
+
+exit2:
+; CHECK-NOT: ret i32 2
+  ret i32 2
+
+exit1:
+  ret i32 1
+; CHECK: }
+}
+
-- 
2.34.1