1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/Transforms/TailDup/2003-08-31-UnreachableBlocks.ll b/llvm/test/Transforms/TailDup/2003-08-31-UnreachableBlocks.ll
new file mode 100644
index 00000000000..416a5df8085
--- /dev/null
+++ b/llvm/test/Transforms/TailDup/2003-08-31-UnreachableBlocks.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-upgrade < %s | llvm-as | 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
+}