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+; RUN: opt < %s -deadargelim -die -S > %t
+; RUN: cat %t | grep 123
+
+; This test tries to catch wrongful removal of return values for a specific case
+; that was break llvm-gcc builds.
+
+; This function has a live return value, it is used by @alive.
+define internal i32 @test5() {
+ ret i32 123
+}
+
+; This function doesn't use the return value @test5 and tries to lure DAE into
+; marking @test5's return value dead because only this call is unused.
+define i32 @dead() {
+ %DEAD = call i32 @test5()
+ ret i32 0
+}
+
+; This function ensures the retval of @test5 is live.
+define i32 @alive() {
+ %LIVE = call i32 @test5()
+ ret i32 %LIVE
+}