1 ; RUN: llvm-as <%s | llvm-bcanalyzer -dump | FileCheck %s 2 ; Check that distinct nodes are emitted in post-order to avoid unnecessary 3 ; forward references. 4 5 ; Nodes in this testcase are numbered to match how they are referenced in 6 ; bitcode. !3 is referenced as opN=3. 7 8 ; The leafs should come first (in either order). 9 ; CHECK: <DISTINCT_NODE/> 10 ; CHECK-NEXT: <DISTINCT_NODE/> 11 !1 = distinct !{} 12 !2 = distinct !{} 13 14 ; CHECK-NEXT: <DISTINCT_NODE op0=1 op1=2/> 15 !3 = distinct !{!1, !2} 16 17 ; CHECK-NEXT: <DISTINCT_NODE op0=1 op1=3 op2=2/> 18 !4 = distinct !{!1, !3, !2} 19 20 ; Note: named metadata nodes are not cannot reference null so their operands 21 ; are numbered off-by-one. 22 ; CHECK-NEXT: <NAME 23 ; CHECK-NEXT: <NAMED_NODE op0=3/> 24 !named = !{!4} 25
