New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17061 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/GlobalOpt/undef-init.llx b/test/Transforms/GlobalOpt/undef-init.llx
new file mode 100644 (file)
index 0000000..f4e1101
--- /dev/null
+++ b/test/Transforms/GlobalOpt/undef-init.llx
@@ -0,0 +1,18 @@
+; RUN: llvm-as < %s | opt -globalopt | llvm-dis | not grep store
+
+%llvm.global_ctors = appending global [1 x { int, void ()* }] [ { int, void ()* } { int 65535, void ()* %_GLOBAL__I__Z3foov } ]                ; <[1 x { int, void ()* }]*> [#uses=0]
+%X.0 = internal global int undef               ; <int*> [#uses=2]
+
+implementation   ; Functions:
+
+int %_Z3foov() {
+entry:
+       %tmp.1 = load int* %X.0         ; <int> [#uses=1]
+       ret int %tmp.1
+}
+
+internal void %_GLOBAL__I__Z3foov() {
+entry:
+       store int 1, int* %X.0
+       ret void
+}