llvm-project/llvm/test/Verifier/SelfReferential.ll

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; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
; CHECK: Only PHI nodes may reference their own value
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; Test that self referential instructions are not allowed
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define void @test() {
%A = add i32 %A, 0 ; <i32> [#uses=1]
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ret void
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}