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Comparing ~0UL with an unsigned will always return false when long is 64 bits long. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155568 91177308-0d34-0410-b5e6-96231b3b80d8
38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
//===- llvm/ADT/SmallMap.h - 'Normally small' pointer set -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the SmallMap class.
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// SmallMap is DenseMap compatible MultiImplMap.
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// It uses FlatArrayMap for small mode, and DenseMap for big mode.
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// See MultiMapImpl comments for more details on the algorithm is used.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SMALLPTRMAP_H_
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#define SMALLPTRMAP_H_
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/FlatArrayMap.h"
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#include "llvm/ADT/MultiImplMap.h"
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namespace llvm {
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//===--------------------------------------------------------------------===//
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/// SmallMap is wrapper around MultiImplMap. It uses FlatArrayMap for
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/// small mode, and DenseMap for big mode.
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template <typename KeyTy, typename MappedTy, unsigned N = 16>
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class SmallMap : public MultiImplMap<
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FlatArrayMap<KeyTy, MappedTy, N>,
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DenseMap<KeyTy, MappedTy>,
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N, true> {
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};
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}
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#endif /* SMALLPTRMAP_H_ */
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