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| author | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2015-03-31 20:57:56 +0000 |
|---|---|---|
| committer | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2015-03-31 20:57:56 +0000 |
| commit | 30daf915ba7d93132d070a5f8688e698a9c8de3c (patch) | |
| tree | fe565bdde7215ccccc51a40ae8101499f9e56c13 | |
| parent | 52368d4437b9d937698703091e346f1cc2e94868 (diff) | |
| download | bcm5719-llvm-30daf915ba7d93132d070a5f8688e698a9c8de3c.tar.gz bcm5719-llvm-30daf915ba7d93132d070a5f8688e698a9c8de3c.zip | |
Verifier: Add a testcase for verifying type refs
r233664 fixed the `Verifier` so that it doesn't crash on bad type refs.
This deserves a test!
llvm-svn: 233756
| -rw-r--r-- | llvm/test/Verifier/dbg-typerefs.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/llvm/test/Verifier/dbg-typerefs.ll b/llvm/test/Verifier/dbg-typerefs.ll new file mode 100644 index 00000000000..55ee03e206b --- /dev/null +++ b/llvm/test/Verifier/dbg-typerefs.ll @@ -0,0 +1,32 @@ +; RUN: not llvm-as -disable-output <%s 2>&1 | FileCheck %s +; Check that the debug info verifier gives nice errors for bad type refs +; (rather than crashing). +!llvm.module.flags = !{!0} +!0 = !{i32 2, !"Debug Info Version", i32 3} + +; Make a bunch of type references. Note that !4 references !"0.bad" (instead +; of !"4.bad") to test error ordering. +!typerefs = !{!1, !2, !3, !4} +!1 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !"1.good") +!2 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !"2.bad") +!3 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !"3.good") +!4 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !"0.bad") + +; Add a minimal compile unit to resolve some of the type references. +!llvm.dbg.cu = !{!5} +!5 = !MDCompileUnit(file: !6, language: DW_LANG_C99, retainedTypes: !7) +!6 = !MDFile(filename: "file.c", directory: "/path/to/dir") +!7 = !{!8, !9} +!8 = !MDCompositeType(tag: DW_TAG_structure_type, identifier: "1.good") +!9 = !MDCompositeType(tag: DW_TAG_structure_type, identifier: "3.good") + +; CHECK: assembly parsed, but does not verify +; CHECK-NEXT: unresolved type ref +; CHECK-NEXT: !"0.bad" +; CHECK-NEXT: !MDDerivedType(tag: DW_TAG_pointer_type +; CHECK-SAME: baseType: !"0.bad" +; CHECK-NEXT: unresolved type ref +; CHECK-NEXT: !"2.bad" +; CHECK-NEXT: !MDDerivedType(tag: DW_TAG_pointer_type +; CHECK-SAME: baseType: !"2.bad" +; CHECK-NOT: unresolved |
