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-rw-r--r--test/Assembler/metadata-null-operands.ll13
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Assembler/metadata-null-operands.ll b/test/Assembler/metadata-null-operands.ll
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index 0000000..acae1d4
--- /dev/null
+++ b/test/Assembler/metadata-null-operands.ll
@@ -0,0 +1,13 @@
+; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s
+; RUN: verify-uselistorder %s
+
+; Don't crash on null operands. (If/when we add a verify check for these, we
+; should disable the verifier for this test and remove this comment; the test
+; is still important.)
+!named = !{!0, !1}
+!0 = !MDDerivedType(tag: DW_TAG_pointer_type, baseType: null)
+!1 = !MDCompileUnit(language: DW_LANG_C, file: null)
+
+; CHECK: !named = !{!0, !1}
+; CHECK: !0 = !MDDerivedType({{.*}}baseType: null{{.*}})
+; CHECK: !1 = !MDCompileUnit({{.*}}file: null{{.*}})