//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#define LLVM_CODEGEN_MACHINECONSTANTPOOL_H
#include "llvm/ADT/FoldingSet.h"
-#include "llvm/CodeGen/SelectionDAGNodes.h"
-#include "llvm/Support/Streams.h"
+#include <cassert>
#include <vector>
-#include <iosfwd>
namespace llvm {
class Constant;
class TargetData;
class TargetMachine;
+class Type;
class MachineConstantPool;
+class raw_ostream;
/// Abstract base class for all machine specific constantpool value subclasses.
///
const Type *Ty;
public:
- MachineConstantPoolValue(const Type *ty) : Ty(ty) {}
- virtual ~MachineConstantPoolValue() {};
+ explicit MachineConstantPoolValue(const Type *ty) : Ty(ty) {}
+ virtual ~MachineConstantPoolValue() {}
/// getType - get type of this MachineConstantPoolValue.
///
virtual void AddSelectionDAGCSEId(FoldingSetNodeID &ID) = 0;
- /// print - Implement operator<<...
- ///
- virtual void print(std::ostream &O) const = 0;
- void print(std::ostream *O) const { if (O) print(*O); }
+ /// print - Implement operator<<
+ virtual void print(raw_ostream &O) const = 0;
};
-inline std::ostream &operator<<(std::ostream &OS,
- const MachineConstantPoolValue &V) {
+inline raw_ostream &operator<<(raw_ostream &OS,
+ const MachineConstantPoolValue &V) {
V.print(OS);
return OS;
}
+
/// This class is a data container for one entry in a MachineConstantPool.
/// It contains a pointer to the value and an offset from the start of
std::vector<MachineConstantPoolEntry> Constants; ///< The pool of constants.
public:
/// @brief The only constructor.
- MachineConstantPool(const TargetData *td) : TD(td), PoolAlignment(1) {}
+ explicit MachineConstantPool(const TargetData *td)
+ : TD(td), PoolAlignment(1) {}
~MachineConstantPool();
/// getConstantPoolAlignment - Return the log2 of the alignment required by
unsigned getConstantPoolAlignment() const { return PoolAlignment; }
/// getConstantPoolIndex - Create a new entry in the constant pool or return
- /// an existing one. User must specify an alignment in bytes for the object.
+ /// an existing one. User must specify the log2 of the minimum required
+ /// alignment for the object.
unsigned getConstantPoolIndex(Constant *C, unsigned Alignment);
unsigned getConstantPoolIndex(MachineConstantPoolValue *V,unsigned Alignment);
/// print - Used by the MachineFunction printer to print information about
/// constant pool objects. Implemented in MachineFunction.cpp
///
- void print(std::ostream &OS) const;
- void print(std::ostream *OS) const { if (OS) print(*OS); }
+ void print(raw_ostream &OS) const;
- /// dump - Call print(std::cerr) to be called from the debugger.
- ///
+ /// dump - Call print(cerr) to be called from the debugger.
void dump() const;
};