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diff test/Transforms/ADCE/2002-05-22-PHITest.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/Transforms/ADCE/2002-05-22-PHITest.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,16 @@
+; It is illegal to remove BB1 because it will mess up the PHI node!
+;
+; RUN: opt < %s -adce -S | grep BB1
+
+define i32 @test(i1 %C, i32 %A, i32 %B) {
+; <label>:0
+        br i1 %C, label %BB1, label %BB2
+
+BB1:            ; preds = %0
+        br label %BB2
+
+BB2:            ; preds = %BB1, %0
+        %R = phi i32 [ %A, %0 ], [ %B, %BB1 ]           ; <i32> [#uses=1]
+        ret i32 %R
+}
+