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