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refcount BitCodeAbbrev objects

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36747 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-05-04 17:35:19 +00:00
parent f0799fe155
commit 299b2d2070
3 changed files with 13 additions and 7 deletions
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6
include/llvm/Bitcode/BitCodes.h
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@ -89,7 +89,13 @@ public:
class BitCodeAbbrev {
SmallVector<BitCodeAbbrevOp, 8> OperandList;
unsigned char RefCount; // Number of things using this.
~BitCodeAbbrev() {}
public:
BitCodeAbbrev() : RefCount(1) {}
void addRef() { ++RefCount; }
void dropRef() { if (--RefCount == 0) delete this; }
unsigned getNumOperandInfos() const { return OperandList.size(); }
const BitCodeAbbrevOp &getOperandInfo(unsigned N) const {

6
include/llvm/Bitcode/BitstreamReader.h
View File

@ -75,12 +75,12 @@ public:
// Abbrevs could still exist if the stream was broken. If so, don't leak
// them.
for (unsigned i = 0, e = CurAbbrevs.size(); i != e; ++i)
delete CurAbbrevs[i];
CurAbbrevs[i]->dropRef();
for (unsigned S = 0, e = BlockScope.size(); S != e; ++S) {
std::vector<BitCodeAbbrev*> &Abbrevs = BlockScope[S].PrevAbbrevs;
for (unsigned i = 0, e = Abbrevs.size(); i != e; ++i)
delete Abbrevs[i];
Abbrevs[i]->dropRef();
}
}
@ -263,7 +263,7 @@ public:
// Delete abbrevs from popped scope.
for (unsigned i = 0, e = CurAbbrevs.size(); i != e; ++i)
delete CurAbbrevs[i];
CurAbbrevs[i]->dropRef();
BlockScope.back().PrevAbbrevs.swap(CurAbbrevs);
BlockScope.pop_back();

2
include/llvm/Bitcode/BitstreamWriter.h
View File

@ -160,7 +160,7 @@ public:
// Delete all abbrevs.
for (unsigned i = 0, e = CurAbbrevs.size(); i != e; ++i)
delete CurAbbrevs[i];
CurAbbrevs[i]->dropRef();
const Block &B = BlockScope.back();