diff options
Diffstat (limited to 'llvm/test/Linker')
| -rw-r--r-- | llvm/test/Linker/Inputs/unique-fwd-decl-order.ll | 6 | ||||
| -rw-r--r-- | llvm/test/Linker/unique-fwd-decl-order.ll | 20 |
2 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/Linker/Inputs/unique-fwd-decl-order.ll b/llvm/test/Linker/Inputs/unique-fwd-decl-order.ll new file mode 100644 index 00000000000..756e37903ca --- /dev/null +++ b/llvm/test/Linker/Inputs/unique-fwd-decl-order.ll @@ -0,0 +1,6 @@ +!named = !{!0} + +; These nodes are intentionally in the opposite order from the test-driver. +; However, they are numbered the same for the reader's convenience. +!1 = metadata !{} +!0 = metadata !{metadata !1} diff --git a/llvm/test/Linker/unique-fwd-decl-order.ll b/llvm/test/Linker/unique-fwd-decl-order.ll new file mode 100644 index 00000000000..d356cf36a3f --- /dev/null +++ b/llvm/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 = metadata !{metadata !1} +!0 = metadata !{metadata !1} + +; CHECK: !1 = metadata !{} +!1 = metadata !{} + +; CHECK-NOT: !2 |
