1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/Transforms/GlobalOpt/undef-init.ll b/llvm/test/Transforms/GlobalOpt/undef-init.ll
new file mode 100644
index 00000000000..71fad343e56
--- /dev/null
+++ b/llvm/test/Transforms/GlobalOpt/undef-init.ll
@@ -0,0 +1,17 @@
+; RUN: opt < %s -globalopt -S | FileCheck %s
+; CHECK-NOT: store
+
+@llvm.global_ctors = appending global [1 x { i32, void ()* }] [ { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__Z3foov } ]          ; <[1 x { i32, void ()* }]*> [#uses=0]
+@X.0 = internal global i32 undef                ; <i32*> [#uses=2]
+
+define i32 @_Z3foov() {
+entry:
+        %tmp.1 = load i32, i32* @X.0         ; <i32> [#uses=1]
+        ret i32 %tmp.1
+}
+
+define internal void @_GLOBAL__I__Z3foov() {
+entry:
+        store i32 1, i32* @X.0
+        ret void
+}