From 721c201bd55ffb73cb2ba8d39e0570fa38c44e15 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Wed, 15 Aug 2012 19:34:23 +0000
Subject: Vendor import of llvm trunk r161861:
 http://llvm.org/svn/llvm-project/llvm/trunk@161861

---
 test/Transforms/Sink/basic.ll | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

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

diff --git a/test/Transforms/Sink/basic.ll b/test/Transforms/Sink/basic.ll
index 4c531d8..1d0b6b5 100644
--- a/test/Transforms/Sink/basic.ll
+++ b/test/Transforms/Sink/basic.ll
@@ -36,3 +36,29 @@ true:
 false:
   ret i32 0
 }
+
+; Sink to the nearest post-dominator
+
+;      CHECK: @diamond
+;      CHECK: X:
+; CHECK-NEXT: phi
+; CHECK-NEXT: mul nsw
+; CHECK-NEXT: sub
+
+define i32 @diamond(i32 %a, i32 %b, i32 %c) {
+  %1 = mul nsw i32 %c, %b
+  %2 = icmp sgt i32 %a, 0
+  br i1 %2, label %B0, label %B1
+
+B0:                                       ; preds = %0
+  br label %X
+
+B1:                                      ; preds = %0
+  br label %X
+
+X:                                     ; preds = %5, %3
+  %.01 = phi i32 [ %c, %B0 ], [ %a, %B1 ]
+  %R = sub i32 %1, %.01
+  ret i32 %R
+}
+
-- 
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