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1; RUN: opt < %s -passes=deadargelim -S | not grep DEADARG2 3; test - an obviously dead argument4define internal i32 @test(i32 %v, i32 %DEADARG1, ptr %p) {5 store i32 %v, ptr %p6 ret i32 %v7}8 9; hardertest - an argument which is only used by a call of a function with a 10; dead argument.11define internal i32 @hardertest(i32 %DEADARG2) {12 %p = alloca i32 ; <ptr> [#uses=1]13 %V = call i32 @test( i32 5, i32 %DEADARG2, ptr %p ) ; <i32> [#uses=1]14 ret i32 %V15}16 17; evenhardertest - recursive dead argument...18define internal void @evenhardertest(i32 %DEADARG3) {19 call void @evenhardertest( i32 %DEADARG3 )20 ret void21}22 23define internal void @needarg(i32 %TEST) {24 call i32 @needarg2( i32 %TEST ) ; <i32>:1 [#uses=0]25 ret void26}27 28define internal i32 @needarg2(i32 %TEST) {29 ret i32 %TEST30}31 32define internal void @needarg3(i32 %TEST3) {33 call void @needarg( i32 %TEST3 )34 ret void35}36 37