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| author | Mehdi Amini <mehdi.amini@apple.com> | 2016-01-07 20:14:30 +0000 |
|---|---|---|
| committer | Mehdi Amini <mehdi.amini@apple.com> | 2016-01-07 20:14:30 +0000 |
| commit | b9b50aaffddf9b3d7b22f42a332811dddb6b9440 (patch) | |
| tree | 4d81113afb7fb522cacb152e85c33070a5bac641 /llvm/lib/IR/AsmWriter.cpp | |
| parent | d9d28926682c20e90fb3e75c5cb990742bfd09fe (diff) | |
| download | bcm5719-llvm-b9b50aaffddf9b3d7b22f42a332811dddb6b9440.tar.gz bcm5719-llvm-b9b50aaffddf9b3d7b22f42a332811dddb6b9440.zip | |
Fix crash when printing instructions that have a metadata attached but no parent.
Fix PR24852 (crash with -debug -instcombine)
Patch by Than McIntosh <thanm@google.com>
Summary:
Add guards to the asm writer to prevent crashing
when dumping an instruction that has no basic
block.
Differential Revision: http://reviews.llvm.org/D15798
From: Than McIntosh <thanm@google.com>
llvm-svn: 257094
Diffstat (limited to 'llvm/lib/IR/AsmWriter.cpp')
| -rw-r--r-- | llvm/lib/IR/AsmWriter.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp index 1ebe9b7ee5b..0ce44e105cc 100644 --- a/llvm/lib/IR/AsmWriter.cpp +++ b/llvm/lib/IR/AsmWriter.cpp @@ -3121,7 +3121,7 @@ void AssemblyWriter::printMetadataAttachments( return; if (MDNames.empty()) - TheModule->getMDKindNames(MDNames); + MDs[0].second->getContext().getMDKindNames(MDNames); for (const auto &I : MDs) { unsigned Kind = I.first; |
