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-rw-r--r--test/CodeGen/Generic/GC/deadargelim.ll16
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/GC/deadargelim.ll b/test/CodeGen/Generic/GC/deadargelim.ll
new file mode 100644
index 0000000000..176019020a
--- /dev/null
+++ b/test/CodeGen/Generic/GC/deadargelim.ll
@@ -0,0 +1,16 @@
+; RUN: opt < %s -deadargelim
+
+declare void @llvm.gcroot(i8**, i8*)
+
+define void @g() {
+entry:
+ call void @f(i32 0)
+ ret void
+}
+
+define internal void @f(i32 %unused) gc "example" {
+entry:
+ %var = alloca i8*
+ call void @llvm.gcroot(i8** %var, i8* null)
+ ret void
+}