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-rw-r--r--test/Transforms/DeadArgElim/deadexternal.ll13
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Transforms/DeadArgElim/deadexternal.ll b/test/Transforms/DeadArgElim/deadexternal.ll
new file mode 100644
index 0000000000000..7256b93af1a2b
--- /dev/null
+++ b/test/Transforms/DeadArgElim/deadexternal.ll
@@ -0,0 +1,13 @@
+; RUN: opt -deadargelim -S %s | FileCheck %s
+; XFAIL: *
+
+define void @test(i32) {
+ ret void
+}
+
+define void @foo() {
+ call void @test(i32 0)
+ ret void
+; CHECK: @foo
+; CHECK: i32 undef
+}