1 ; RUN: opt < %s -deadargelim -S > %t
2 ; RUN: grep {define internal zeroext i32 @test1() nounwind} %t
3 ; RUN: grep {define internal <{ i32, i32 }> @test2} %t
5 %Ty = type <{ i32, i32 }>
7 ; Check if the pass doesn't modify anything that doesn't need changing. We feed
8 ; an unused argument to each function to lure it into changing _something_ about
9 ; the function and then changing too much.
11 ; This checks if the return value attributes are not removed
12 define internal zeroext i32 @test1(i32 %DEADARG1) nounwind {
16 ; This checks if the struct doesn't get non-packed
17 define internal <{ i32, i32 }> @test2(i32 %DEADARG1) {
18 ret <{ i32, i32 }> <{ i32 1, i32 2 }>
21 ; We use this external function to make sure the return values don't become dead
22 declare void @user(i32, <{ i32, i32 }>)
24 define void @caller() {
25 %B = call i32 @test1(i32 1)
26 %C = call <{ i32, i32 }> @test2(i32 2)
27 call void @user(i32 %B, <{ i32, i32 }> %C)