1 files changed, 36 insertions, 0 deletions
diff --git a/test/Transforms/DeadArgElim/deadretval2.ll b/test/Transforms/DeadArgElim/deadretval2.ll
new file mode 100644
index 0000000..4f129ab
--- /dev/null
+++ b/test/Transforms/DeadArgElim/deadretval2.ll
@@ -0,0 +1,36 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -deadargelim -die | llvm-dis | not grep DEAD
+
+%P = external global int 
+
+implementation
+
+
+internal int %test(int %DEADARG) {  ; Dead arg only used by dead retval
+        ret int %DEADARG
+}
+
+internal int %test2(int %DEADARG) {
+	%DEADRETVAL = call int %test(int %DEADARG)
+	ret int %DEADRETVAL
+}
+
+void %test3(int %X) {
+	%DEADRETVAL = call int %test2(int %X)
+	ret void
+}
+
+internal int %foo() {
+	%DEAD = load int* %P
+	ret int %DEAD
+}
+
+internal int %id(int %X) {
+	ret int %X
+}
+
+void %test4() {
+	%DEAD = call int %foo()
+	%DEAD2 = call int %id(int %DEAD)
+	ret void
+}
+