llvm-project/llvm/test/CodeGen/Generic/call-ret0.ll

; RUN: llc < %s
define i32 @foo(i32 %x) {
        ret i32 %x
}

define i32 @main() {
        %r = call i32 @foo( i32 0 )             ; <i32> [#uses=1]
        ret i32 %r
}