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; RUN: llvm-as < %s | opt -deadargelim | llvm-dis > %t
; RUN: cat %t | grep {define internal \{ \} @test}
; RUN: cat %t | grep {define internal \{ i32 \} @test}
; RUN: cat %t | grep {define internal \<\{ i32, i32 \}\> @test}
; Check if the pass doesn't modify anything that doesn't need changing. We feed
; an unused argument to each function to lure it into changing _something_ about
; the function and then changing too much.
; This checks if the struct retval isn't changed into a void
define internal { } @test(i32 %DEADARG1) {
ret { } { }
}
; This checks if the struct retval isn't removed
define internal {i32} @test1(i32 %DEADARG1) {
ret { i32 } { i32 1 }
}
; This checks if the struct doesn't get non-packed
define internal <{ i32, i32 }> @test2(i32 %DEADARG1) {
ret <{ i32, i32 }> <{ i32 1, i32 2 }>
}
; We use this external function to make sure the return values don't become dead
declare void @user({ }, { i32 }, <{ i32, i32 }>)
define void @caller() {
%A = call { } @test(i32 0)
%B = call { i32 } @test1(i32 1)
%C = call <{ i32, i32 }> @test2(i32 2)
call void @user({ } %A, { i32 } %B, <{ i32, i32 }> %C)
ret void
}
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