diff options
| author | Dan Gohman <gohman@apple.com> | 2010-07-21 18:54:18 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-07-21 18:54:18 +0000 |
| commit | 872814ae048df032bddf9299c850f5bda08299a9 (patch) | |
| tree | 8abc3d283bd51ea3430c80b7c69f84b8e6067010 /lib/CodeGen | |
| parent | ec237ffd28f1408f524dc134220d8502e167f4d9 (diff) | |
| download | external_llvm-872814ae048df032bddf9299c850f5bda08299a9.zip external_llvm-872814ae048df032bddf9299c850f5bda08299a9.tar.gz external_llvm-872814ae048df032bddf9299c850f5bda08299a9.tar.bz2 | |
Disallow null as a named metadata operand.
Make MDNode::destroy private.
Fix the one thing that used MDNode::destroy, outside of MDNode itself.
One should never delete or destroy an MDNode explicitly. MDNodes
implicitly go away when there are no references to them (implementation
details aside).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109028 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index a1f646a..5f7d052 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -2319,7 +2319,7 @@ DwarfDebug::collectVariableInfo(const MachineFunction *MF, M->getNamedMetadata(Twine("llvm.dbg.lv.", getRealLinkageName(F->getName())))) { for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) { - DIVariable DV(cast_or_null<MDNode>(NMD->getOperand(i))); + DIVariable DV(cast<MDNode>(NMD->getOperand(i))); if (!DV || !Processed.insert(DV)) continue; DbgScope *Scope = DbgScopeMap.lookup(DV.getContext()); @@ -2783,7 +2783,7 @@ void DwarfDebug::endFunction(const MachineFunction *MF) { M->getNamedMetadata(Twine("llvm.dbg.lv.", getRealLinkageName(FName)))) { for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) { - DIVariable DV(cast_or_null<MDNode>(NMD->getOperand(i))); + DIVariable DV(cast<MDNode>(NMD->getOperand(i))); if (!DV || !ProcessedVars.insert(DV)) continue; DbgScope *Scope = AbstractScopes.lookup(DV.getContext()); |