#include "Error.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/Format.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
return V ? &True : &False;
}
+static void
+ProfileBitsInit(FoldingSetNodeID &ID, ArrayRef<const Init *> Range) {
+ ID.AddInteger(Range.size());
+
+ for (ArrayRef<const Init *>::iterator i = Range.begin(),
+ iend = Range.end();
+ i != iend;
+ ++i)
+ ID.AddPointer(*i);
+}
+
const BitsInit *BitsInit::get(ArrayRef<const Init *> Range) {
- return new BitsInit(Range);
+ typedef FoldingSet<BitsInit> Pool;
+ static Pool ThePool;
+
+ FoldingSetNodeID ID;
+ ProfileBitsInit(ID, Range);
+
+ void *IP = 0;
+ if (const BitsInit *I = ThePool.FindNodeOrInsertPos(ID, IP))
+ return I;
+
+ BitsInit *I = new BitsInit(Range);
+ ThePool.InsertNode(I, IP);
+
+ return I;
+}
+
+void BitsInit::Profile(FoldingSetNodeID &ID) const {
+ ProfileBitsInit(ID, Bits);
}
const Init *
#define RECORD_H
#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/FoldingSet.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/DataTypes.h"
/// BitsInit - { a, b, c } - Represents an initializer for a BitsRecTy value.
/// It contains a vector of bits, whose size is determined by the type.
///
-class BitsInit : public Init {
+class BitsInit : public Init, public FoldingSetNode {
std::vector<const Init*> Bits;
- BitsInit(unsigned Size) : Bits(Size) {}
-
BitsInit(ArrayRef<const Init *> Range) : Bits(Range.begin(), Range.end()) {}
BitsInit(const BitsInit &Other); // Do not define.
public:
static const BitsInit *get(ArrayRef<const Init *> Range);
+ void Profile(FoldingSetNodeID &ID) const;
+
unsigned getNumBits() const { return Bits.size(); }
const Init *getBit(unsigned Bit) const {