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