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Diffstat (limited to 'test/Linker/unique-fwd-decl-order.ll')
| -rw-r--r-- | test/Linker/unique-fwd-decl-order.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Linker/unique-fwd-decl-order.ll b/test/Linker/unique-fwd-decl-order.ll new file mode 100644 index 0000000..e1d8c2e --- /dev/null +++ b/test/Linker/unique-fwd-decl-order.ll @@ -0,0 +1,20 @@ +; RUN: llvm-link %s %S/Inputs/unique-fwd-decl-order.ll -S -o - | FileCheck %s +; RUN: llvm-link %S/Inputs/unique-fwd-decl-order.ll %s -S -o - | FileCheck %s + +; This test exercises MDNode hashing. For the nodes to be correctly uniqued, +; the hash of a to-be-created MDNode has to match the hash of an +; operand-just-changed MDNode (with the same operands). +; +; Note that these two assembly files number the nodes identically, even though +; the nodes are in a different order. This is for the reader's convenience. + +; CHECK: !named = !{!0, !0} +!named = !{!0} + +; CHECK: !0 = !{!1} +!0 = !{!1} + +; CHECK: !1 = !{} +!1 = !{} + +; CHECK-NOT: !2 |