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1; RUN: llvm-as <%s -bitcode-mdindex-threshold=0 | llvm-bcanalyzer -dump | FileCheck %s -check-prefix=CHECK -check-prefix=MDINDEX2; RUN: llvm-as <%s | llvm-bcanalyzer -dump | FileCheck %s -check-prefix=CHECK3; Check that distinct nodes are emitted in post-order to avoid unnecessary4; forward references.5 6; Nodes in this testcase are numbered to match how they are referenced in7; bitcode. !3 is referenced as opN=3.8 9; The leafs should come first (in either order).10; CHECK: <DISTINCT_NODE/>11; CHECK-NEXT: <DISTINCT_NODE/>12!1 = distinct !{}13!2 = distinct !{}14 15; CHECK-NEXT: <DISTINCT_NODE op0=1 op1=2/>16!3 = distinct !{!1, !2}17 18; CHECK-NEXT: <DISTINCT_NODE op0=1 op1=3 op2=2/>19!4 = distinct !{!1, !3, !2}20 21; Before the named records we emit the index containing the position of the22; previously emitted records, but only if we have a number of record above23; a threshold (can be controlled through `-bitcode-mdindex-threshold`).24; MDINDEX: <INDEX {{.*}} (offset match)25 26; Note: named metadata nodes are not cannot reference null so their operands27; are numbered off-by-one.28; CHECK-NEXT: <NAME29; CHECK-NEXT: <NAMED_NODE op0=3/>30!named = !{!4}31