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when the bitcode reader is referencing a paramattr, make sure to bump its refcount.

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llvm-svn: 48276
This commit is contained in:
Chris Lattner 2008-03-12 02:25:52 +00:00
parent 4182fd56ad
commit e7b19035ed
1 changed files with 12 additions and 1 deletions
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13
llvm/lib/Bitcode/Reader/BitcodeReader.cpp
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@ -31,6 +31,11 @@ void BitcodeReader::FreeState() {
Buffer = 0;
std::vector<PATypeHolder>().swap(TypeList);
ValueList.clear();
// Drop references to ParamAttrs.
for (unsigned i = 0, e = ParamAttrs.size(); i != e; ++i)
ParamAttrs[i]->dropRef();
std::vector<const ParamAttrsList*>().swap(ParamAttrs);
std::vector<BasicBlock*>().swap(FunctionBBs);
std::vector<Function*>().swap(FunctionsWithBodies);
@ -237,7 +242,13 @@ bool BitcodeReader::ParseParamAttrBlock() {
if (Record[i+1] != ParamAttr::None)
Attrs.push_back(ParamAttrsWithIndex::get(Record[i], Record[i+1]));
}
ParamAttrs.push_back(Attrs.empty() ? NULL : ParamAttrsList::get(Attrs));
if (Attrs.empty()) {
ParamAttrs.push_back(0);
} else {
ParamAttrs.push_back(ParamAttrsList::get(Attrs));
ParamAttrs.back()->addRef();
}
Attrs.clear();
break;
}