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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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12
include/llvm/Bitcode/BitCodes.h
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@ -58,9 +58,9 @@ namespace bitc {
/// 2. It could be an encoding specification ("this operand encoded like so").
///
class BitCodeAbbrevOp {
uint64_t Val; // A literal value or data for an encoding.
bool IsLiteral : 1; // Indicate whether this is a literal value or not.
unsigned Enc : 3; // The encoding to use.
uint64_t Val; // A literal value or data for an encoding.
bool IsLiteral : 1; // Indicate whether this is a literal value or not.
unsigned Enc : 3; // The encoding to use.
public:
enum Encoding {
FixedWidth = 1, // A fixed with field, Val specifies number of bits.
@ -89,8 +89,14 @@ 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 {
return OperandList[N];