diff options
| -rw-r--r-- | llvm/lib/IR/Verifier.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/Verifier/dbg-difile-crash.ll | 10 |
2 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/IR/Verifier.cpp b/llvm/lib/IR/Verifier.cpp index fe3d6eb6cf4..ca441922957 100644 --- a/llvm/lib/IR/Verifier.cpp +++ b/llvm/lib/IR/Verifier.cpp @@ -988,6 +988,8 @@ void Verifier::visitDICompileUnit(const DICompileUnit &N) { void Verifier::visitDISubprogram(const DISubprogram &N) { Assert(N.getTag() == dwarf::DW_TAG_subprogram, "invalid tag", &N); Assert(isScopeRef(N, N.getRawScope()), "invalid scope", &N, N.getRawScope()); + Assert(N.getRawFile() && isa<DIFile>(N.getRawFile()), "invalid file", &N, + N.getRawFile()); if (auto *T = N.getRawType()) Assert(isa<DISubroutineType>(T), "invalid subroutine type", &N, T); Assert(isTypeRef(N, N.getRawContainingType()), "invalid containing type", &N, diff --git a/llvm/test/Verifier/dbg-difile-crash.ll b/llvm/test/Verifier/dbg-difile-crash.ll new file mode 100644 index 00000000000..75ec889c0da --- /dev/null +++ b/llvm/test/Verifier/dbg-difile-crash.ll @@ -0,0 +1,10 @@ +; RUN: not llvm-as -disable-output <%s 2>&1 | FileCheck %s +; CHECK: assembly parsed, but does not verify +; CHECK-NEXT: invalid file + +!llvm.module.flags = !{!0} +!0 = !{i32 2, !"Debug Info Version", i32 3} +!llvm.dbg.cu = !{!1} +!1 = distinct !DICompileUnit(file: !2, language: DW_LANG_C99, subprograms: !{!3}) +!2 = !DIFile(filename: "file.c", directory: "/path/to/dir") +!3 = distinct !DISubprogram(name: "blah", file: !1) |
