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authorChris Lattner <sabre@nondot.org>2003-08-31 21:05:39 +0000
committerChris Lattner <sabre@nondot.org>2003-08-31 21:05:39 +0000
commit84991f332e926d42090c5a063540f5077d6bf399 (patch)
treeafa05c63a44b017c2a4bbf811c627b8cf186527d /test/Transforms/TailDup
parent5714c974006d4fe28ddd66d15e9b158493df00b6 (diff)
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New testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8275 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/TailDup')
-rw-r--r--test/Transforms/TailDup/2003-08-31-UnreachableBlocks.ll20
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/TailDup/2003-08-31-UnreachableBlocks.ll b/test/Transforms/TailDup/2003-08-31-UnreachableBlocks.ll
new file mode 100644
index 0000000000..fc020cc0f8
--- /dev/null
+++ b/test/Transforms/TailDup/2003-08-31-UnreachableBlocks.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | opt -tailduplicate -disable-output
+
+int %foo() {
+entry:
+ br label %return.i
+
+after_ret.i:
+ br label %return.i
+
+return.i:
+ %tmp.3 = cast int* null to int
+ br label %return.i1
+
+after_ret.i1:
+ br label %return.i1
+
+return.i1:
+ %tmp.8 = sub int %tmp.3, 0
+ ret int 0
+}