1 files changed, 19 insertions, 0 deletions
diff --git a/test/Transforms/ADCE/basictest.ll b/test/Transforms/ADCE/basictest.ll
new file mode 100644
index 0000000..378d702
--- /dev/null
+++ b/test/Transforms/ADCE/basictest.ll
@@ -0,0 +1,19 @@
+; RUN: opt < %s -adce -simplifycfg | llvm-dis
+
+define i32 @Test(i32 %A, i32 %B) {
+BB1:
+        br label %BB4
+
+BB2:            ; No predecessors!
+        br label %BB3
+
+BB3:            ; preds = %BB4, %BB2
+        %ret = phi i32 [ %X, %BB4 ], [ %B, %BB2 ]               ; <i32> [#uses=1]
+        ret i32 %ret
+
+BB4:            ; preds = %BB1
+        %X = phi i32 [ %A, %BB1 ]               ; <i32> [#uses=1]
+        br label %BB3
+}
+
+