diff options
| author | Adrian Prantl <aprantl@apple.com> | 2016-03-28 21:06:26 +0000 |
|---|---|---|
| committer | Adrian Prantl <aprantl@apple.com> | 2016-03-28 21:06:26 +0000 |
| commit | 8d4b7e74e1c432a11e3c90d7c668d6b9ceb344aa (patch) | |
| tree | d06c9b4ae23f20ca8723bcb1678a15e58b6abe60 /tools/bugpoint/CrashDebugger.cpp | |
| parent | ffa1530cac314dc46918884b7d860ac86341a671 (diff) | |
Add an IR Verifier check for orphaned DICompileUnits.
A DICompileUnit that is not listed in llvm.dbg.cu will cause assertion
failures and/or crashes in the backend. The Verifier should reject this.
rdar://problem/25369499
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@264657 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/bugpoint/CrashDebugger.cpp')
| -rw-r--r-- | tools/bugpoint/CrashDebugger.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/bugpoint/CrashDebugger.cpp b/tools/bugpoint/CrashDebugger.cpp index 7f9a54a389a..493bda64f19 100644 --- a/tools/bugpoint/CrashDebugger.cpp +++ b/tools/bugpoint/CrashDebugger.cpp @@ -552,7 +552,9 @@ bool ReduceCrashingNamedMD::TestNamedMDs(std::vector<std::string> &NamedMDs) { std::vector<NamedMDNode *> ToDelete; ToDelete.reserve(M->named_metadata_size() - Names.size()); for (auto &NamedMD : M->named_metadata()) - if (!Names.count(NamedMD.getName())) + // Always keep a nonempty llvm.dbg.cu because the Verifier would complain. + if (!Names.count(NamedMD.getName()) && + (!(NamedMD.getName() == "llvm.dbg.cu" && NamedMD.getNumOperands() > 0))) ToDelete.push_back(&NamedMD); for (auto *NamedMD : ToDelete) |