New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2956 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/GlobalDCE/2002-07-17-CastRef.ll b/test/Transforms/GlobalDCE/2002-07-17-CastRef.ll
new file mode 100644 (file)
index 0000000..d68d393
--- /dev/null
+++ b/test/Transforms/GlobalDCE/2002-07-17-CastRef.ll
@@ -0,0 +1,12 @@
+; RUN: as < %s | opt -globaldce
+;
+implementation
+
+internal void %func() {  ; Not dead, can be reachable via X
+  ret void
+}
+
+void %main() {
+       %X = cast void()* %func to int*
+       ret void
+}