From 250b754428110bedb864e74ae7c8c59619c662e8 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 16 Aug 2010 14:41:14 +0000
Subject: Instead, teach SimplifyCFG to trim non-address-taken blocks from
 indirectbr destination lists.

llvm-svn: 111122
---
 llvm/test/Transforms/SimplifyCFG/indirectbr.ll | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'llvm/test')

diff --git a/llvm/test/Transforms/SimplifyCFG/indirectbr.ll b/llvm/test/Transforms/SimplifyCFG/indirectbr.ll
index b13433ce306..de4f5b60755 100644
--- a/llvm/test/Transforms/SimplifyCFG/indirectbr.ll
+++ b/llvm/test/Transforms/SimplifyCFG/indirectbr.ll
@@ -49,3 +49,16 @@ BB0:
   ret void
 }
 
+; SimplifyCFG should notice that BB0 does not have its address taken and
+; remove it from entry's successor list.
+
+; CHECK: indbrtest2
+; CHECK: entry:
+; CHECK-NEXT: unreachable
+
+define void @indbrtest2(i8* %t) {
+entry:
+  indirectbr i8* %t, [label %BB0, label %BB0]
+BB0:
+  ret void
+}
-- 
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