diff options
Diffstat (limited to 'contrib/llvm/include/llvm/ADT/SmallBitVector.h')
| -rw-r--r-- | contrib/llvm/include/llvm/ADT/SmallBitVector.h | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/contrib/llvm/include/llvm/ADT/SmallBitVector.h b/contrib/llvm/include/llvm/ADT/SmallBitVector.h index 1e2f365..ae3d645 100644 --- a/contrib/llvm/include/llvm/ADT/SmallBitVector.h +++ b/contrib/llvm/include/llvm/ADT/SmallBitVector.h @@ -53,6 +53,9 @@ class SmallBitVector { SmallNumDataBits = SmallNumRawBits - SmallNumSizeBits }; + static_assert(NumBaseBits == 64 || NumBaseBits == 32, + "Unsupported word size"); + public: typedef unsigned size_type; // Encapsulation of a single bit. @@ -63,6 +66,8 @@ public: public: reference(SmallBitVector &b, unsigned Idx) : TheVector(b), BitPos(Idx) {} + reference(const reference&) = default; + reference& operator=(reference t) { *this = bool(t); return *this; @@ -177,11 +182,7 @@ public: size_type count() const { if (isSmall()) { uintptr_t Bits = getSmallBits(); - if (NumBaseBits == 32) - return CountPopulation_32(Bits); - if (NumBaseBits == 64) - return CountPopulation_64(Bits); - llvm_unreachable("Unsupported!"); + return countPopulation(Bits); } return getPointer()->count(); } @@ -214,11 +215,7 @@ public: uintptr_t Bits = getSmallBits(); if (Bits == 0) return -1; - if (NumBaseBits == 32) - return countTrailingZeros(Bits); - if (NumBaseBits == 64) - return countTrailingZeros(Bits); - llvm_unreachable("Unsupported!"); + return countTrailingZeros(Bits); } return getPointer()->find_first(); } @@ -232,11 +229,7 @@ public: Bits &= ~uintptr_t(0) << (Prev + 1); if (Bits == 0 || Prev + 1 >= getSmallSize()) return -1; - if (NumBaseBits == 32) - return countTrailingZeros(Bits); - if (NumBaseBits == 64) - return countTrailingZeros(Bits); - llvm_unreachable("Unsupported!"); + return countTrailingZeros(Bits); } return getPointer()->find_next(Prev); } @@ -560,7 +553,6 @@ public: private: template<bool AddBits, bool InvertMask> void applyMask(const uint32_t *Mask, unsigned MaskWords) { - assert((NumBaseBits == 64 || NumBaseBits == 32) && "Unsupported word size"); if (NumBaseBits == 64 && MaskWords >= 2) { uint64_t M = Mask[0] | (uint64_t(Mask[1]) << 32); if (InvertMask) M = ~M; |
