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 4 5 %Ty = type <{ i32, i32 }> 6 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. 10 11 ; This checks if the return value attributes are not removed 12 define internal zeroext i32 @test1(i32 %DEADARG1) nounwind { 13 ret i32 1 14 } 15 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 }> 19 } 20 21 ; We use this external function to make sure the return values don't become dead 22 declare void @user(i32, <{ i32, i32 }>) 23 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) 28 ret void 29 } 30 31
