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Allow a specific PointerIntPair instance to use a specific Pointer trait:

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some pointer instances have properties that not all of a type have.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67986 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-03-29 06:02:20 +00:00
parent 911c8b21da
commit 540db8bcb8
1 changed files with 2 additions and 3 deletions
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5
include/llvm/ADT/PointerIntPair.h
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@ -14,7 +14,6 @@
#ifndef LLVM_ADT_POINTERINTPAIR_H
#define LLVM_ADT_POINTERINTPAIR_H
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/PointerLikeTypeTraits.h"
#include <cassert>
@ -37,10 +36,10 @@ struct DenseMapInfo;
/// PointerIntPair<PointerIntPair<void*, 1,bool>, 1, bool>
/// ... and the two bools will land in different bits.
///
template <typename PointerTy, unsigned IntBits, typename IntType=unsigned>
template <typename PointerTy, unsigned IntBits, typename IntType=unsigned,
typename PtrTraits = PointerLikeTypeTraits<PointerTy> >
class PointerIntPair {
intptr_t Value;
typedef PointerLikeTypeTraits<PointerTy> PtrTraits;
enum {
/// PointerBitMask - The bits that come from the pointer.
PointerBitMask = ~(((intptr_t)1 << PtrTraits::NumLowBitsAvailable)-1),