#ifndef LLVM_BITCODE_BITCODES_H
#define LLVM_BITCODE_BITCODES_H
+#include "llvm/ADT/IntrusiveRefCntPtr.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/ErrorHandling.h"
namespace llvm {
namespace bitc {
enum StandardWidths {
- BlockIDWidth = 8, // We use VBR-8 for block IDs.
- CodeLenWidth = 4, // Codelen are VBR-4.
+ BlockIDWidth = 8, // We use VBR-8 for block IDs.
+ CodeLenWidth = 4, // Codelen are VBR-4.
BlockSizeWidth = 32 // BlockSize up to 2^32 32-bit words = 16GB per block.
};
enum BlockInfoCodes {
// DEFINE_ABBREV has magic semantics here, applying to the current SETBID'd
// block, instead of the BlockInfo block.
-
- BLOCKINFO_CODE_SETBID = 1, // SETBID: [blockid#]
- BLOCKINFO_CODE_BLOCKNAME = 2, // BLOCKNAME: [name]
- BLOCKINFO_CODE_SETRECORDNAME = 3 // BLOCKINFO_CODE_SETRECORDNAME: [id, name]
+
+ BLOCKINFO_CODE_SETBID = 1, // SETBID: [blockid#]
+ BLOCKINFO_CODE_BLOCKNAME = 2, // BLOCKNAME: [name]
+ BLOCKINFO_CODE_SETRECORDNAME = 3 // BLOCKINFO_CODE_SETRECORDNAME:
+ // [id, name]
};
} // End bitc namespace
explicit BitCodeAbbrevOp(Encoding E, uint64_t Data = 0)
: Val(Data), IsLiteral(false), Enc(E) {}
- bool isLiteral() const { return IsLiteral; }
+ bool isLiteral() const { return IsLiteral; }
bool isEncoding() const { return !IsLiteral; }
// Accessors for literals.
case Blob:
return false;
}
- llvm_unreachable("Invalid encoding");
+ report_fatal_error("Invalid encoding");
}
/// isChar6 - Return true if this character is legal in the Char6 encoding.
if (C >= 'a' && C <= 'z') return C-'a';
if (C >= 'A' && C <= 'Z') return C-'A'+26;
if (C >= '0' && C <= '9') return C-'0'+26+26;
- if (C == '.') return 62;
- if (C == '_') return 63;
+ if (C == '.') return 62;
+ if (C == '_') return 63;
llvm_unreachable("Not a value Char6 character!");
}
static char DecodeChar6(unsigned V) {
assert((V & ~63) == 0 && "Not a Char6 encoded character!");
- if (V < 26) return V+'a';
- if (V < 26+26) return V-26+'A';
+ if (V < 26) return V+'a';
+ if (V < 26+26) return V-26+'A';
if (V < 26+26+10) return V-26-26+'0';
- if (V == 62) return '.';
- if (V == 63) return '_';
+ if (V == 62) return '.';
+ if (V == 63) return '_';
llvm_unreachable("Not a value Char6 character!");
}
};
+template <> struct isPodLike<BitCodeAbbrevOp> { static const bool value=true; };
+
/// BitCodeAbbrev - This class represents an abbreviation record. An
/// abbreviation allows a complex record that has redundancy to be stored in a
/// specialized format instead of the fully-general, fully-vbr, format.
-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; }
+class BitCodeAbbrev : public RefCountedBase<BitCodeAbbrev> {
+ SmallVector<BitCodeAbbrevOp, 32> OperandList;
+ // Only RefCountedBase is allowed to delete.
+ ~BitCodeAbbrev() = default;
+ friend class RefCountedBase<BitCodeAbbrev>;
+public:
unsigned getNumOperandInfos() const {
return static_cast<unsigned>(OperandList.size());
}