diff options
Diffstat (limited to 'include/llvm/ADT')
-rw-r--r-- | include/llvm/ADT/BitVector.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/ADT/BitVector.h b/include/llvm/ADT/BitVector.h index 7d7afc3..d5f247b 100644 --- a/include/llvm/ADT/BitVector.h +++ b/include/llvm/ADT/BitVector.h @@ -318,6 +318,16 @@ public: return *this; } + // reset - Reset bits that are set in RHS. Same as *this &= ~RHS. + BitVector &reset(const BitVector &RHS) { + unsigned ThisWords = NumBitWords(size()); + unsigned RHSWords = NumBitWords(RHS.size()); + unsigned i; + for (i = 0; i != std::min(ThisWords, RHSWords); ++i) + Bits[i] &= ~RHS.Bits[i]; + return *this; + } + BitVector &operator|=(const BitVector &RHS) { if (size() < RHS.size()) resize(RHS.size()); |