New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3372 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/GlobalDCE/2002-08-17-WorkListTest.ll b/test/Transforms/GlobalDCE/2002-08-17-WorkListTest.ll
new file mode 100644 (file)
index 0000000..d574455
--- /dev/null
+++ b/test/Transforms/GlobalDCE/2002-08-17-WorkListTest.ll
@@ -0,0 +1,14 @@
+; This testcase tests that a worklist is being used, and that globals can be 
+; removed if they are the subject of a constexpr and ConstantPointerRef
+
+; RUN: if as < %s | opt -globaldce | dis | grep global
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+%t0 = internal global [4 x sbyte] c"foo\00"
+%t1 = internal global [4 x sbyte] c"bar\00"
+
+%s1 = internal global [1 x sbyte*] [sbyte* cast ([4 x sbyte]* %t0 to sbyte*)]
+%s2 = internal global [1 x sbyte*] [sbyte* getelementptr ([4 x sbyte]* %t1, uint 0, uint 0 )]
+