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25 lines
743 B
25 lines
743 B
; RUN: llvm-as <%s | llvm-bcanalyzer -dump | FileCheck %s
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; Check that distinct nodes are emitted in post-order to avoid unnecessary
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; forward references.
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; Nodes in this testcase are numbered to match how they are referenced in
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; bitcode. !3 is referenced as opN=3.
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; The leafs should come first (in either order).
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; CHECK: <DISTINCT_NODE/>
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; CHECK-NEXT: <DISTINCT_NODE/>
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!1 = distinct !{}
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!2 = distinct !{}
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; CHECK-NEXT: <DISTINCT_NODE op0=1 op1=2/>
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!3 = distinct !{!1, !2}
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; CHECK-NEXT: <DISTINCT_NODE op0=1 op1=3 op2=2/>
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!4 = distinct !{!1, !3, !2}
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; Note: named metadata nodes are not cannot reference null so their operands
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; are numbered off-by-one.
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; CHECK-NEXT: <NAME
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; CHECK-NEXT: <NAMED_NODE op0=3/>
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!named = !{!4}
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