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author | Dimitry Andric <dim@FreeBSD.org> | 2012-12-02 13:10:19 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2012-12-02 13:10:19 +0000 |
commit | 522600a229b950314b5f4af84eba4f3e8a0ffea1 (patch) | |
tree | 32b4679ab4b8f28e5228daafc65e9dc436935353 /include/llvm/ADT/PackedVector.h | |
parent | 902a7b529820e6a0aa85f98f21afaeb1805a22f8 (diff) | |
download | src-522600a229b950314b5f4af84eba4f3e8a0ffea1.tar.gz src-522600a229b950314b5f4af84eba4f3e8a0ffea1.zip |
Vendor import of llvm release_32 branch r168974 (effectively, 3.2 RC2):vendor/llvm/llvm-release_32-r168974
Notes
Notes:
svn path=/vendor/llvm/dist/; revision=243789
svn path=/vendor/llvm/llvm-release_32-r168974/; revision=243790; tag=vendor/llvm/llvm-release_32-r168974
Diffstat (limited to 'include/llvm/ADT/PackedVector.h')
-rw-r--r-- | include/llvm/ADT/PackedVector.h | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/include/llvm/ADT/PackedVector.h b/include/llvm/ADT/PackedVector.h index 2eaddc2b4eea..1ae2a77e7eaf 100644 --- a/include/llvm/ADT/PackedVector.h +++ b/include/llvm/ADT/PackedVector.h @@ -19,32 +19,32 @@ namespace llvm { -template <typename T, unsigned BitNum, bool isSigned> +template <typename T, unsigned BitNum, typename BitVectorTy, bool isSigned> class PackedVectorBase; // This won't be necessary if we can specialize members without specializing // the parent template. -template <typename T, unsigned BitNum> -class PackedVectorBase<T, BitNum, false> { +template <typename T, unsigned BitNum, typename BitVectorTy> +class PackedVectorBase<T, BitNum, BitVectorTy, false> { protected: - static T getValue(const llvm::BitVector &Bits, unsigned Idx) { + static T getValue(const BitVectorTy &Bits, unsigned Idx) { T val = T(); for (unsigned i = 0; i != BitNum; ++i) val = T(val | ((Bits[(Idx << (BitNum-1)) + i] ? 1UL : 0UL) << i)); return val; } - static void setValue(llvm::BitVector &Bits, unsigned Idx, T val) { + static void setValue(BitVectorTy &Bits, unsigned Idx, T val) { assert((val >> BitNum) == 0 && "value is too big"); for (unsigned i = 0; i != BitNum; ++i) Bits[(Idx << (BitNum-1)) + i] = val & (T(1) << i); } }; -template <typename T, unsigned BitNum> -class PackedVectorBase<T, BitNum, true> { +template <typename T, unsigned BitNum, typename BitVectorTy> +class PackedVectorBase<T, BitNum, BitVectorTy, true> { protected: - static T getValue(const llvm::BitVector &Bits, unsigned Idx) { + static T getValue(const BitVectorTy &Bits, unsigned Idx) { T val = T(); for (unsigned i = 0; i != BitNum-1; ++i) val = T(val | ((Bits[(Idx << (BitNum-1)) + i] ? 1UL : 0UL) << i)); @@ -53,7 +53,7 @@ protected: return val; } - static void setValue(llvm::BitVector &Bits, unsigned Idx, T val) { + static void setValue(BitVectorTy &Bits, unsigned Idx, T val) { if (val < 0) { val = ~val; Bits.set((Idx << (BitNum-1)) + BitNum-1); @@ -71,11 +71,12 @@ protected: /// @endcode /// will create a vector accepting values -2, -1, 0, 1. Any other value will hit /// an assertion. -template <typename T, unsigned BitNum> -class PackedVector : public PackedVectorBase<T, BitNum, +template <typename T, unsigned BitNum, typename BitVectorTy = BitVector> +class PackedVector : public PackedVectorBase<T, BitNum, BitVectorTy, std::numeric_limits<T>::is_signed> { - llvm::BitVector Bits; - typedef PackedVectorBase<T, BitNum, std::numeric_limits<T>::is_signed> base; + BitVectorTy Bits; + typedef PackedVectorBase<T, BitNum, BitVectorTy, + std::numeric_limits<T>::is_signed> base; public: class reference { |