diff options
| -rw-r--r-- | llvm/include/llvm/ADT/APInt.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/llvm/include/llvm/ADT/APInt.h b/llvm/include/llvm/ADT/APInt.h index 5f87765a52d..2e8da455c0a 100644 --- a/llvm/include/llvm/ADT/APInt.h +++ b/llvm/include/llvm/ADT/APInt.h @@ -443,8 +443,9 @@ public: assert(numBits <= BitWidth && "numBits out of range"); if (isSingleWord()) return VAL == (UINT64_MAX >> (APINT_BITS_PER_WORD - numBits)); - unsigned Ones = countTrailingOnes(); - return (numBits == Ones) && ((Ones + countLeadingZeros()) == BitWidth); + unsigned Ones = countTrailingOnesSlowCase(); + return (numBits == Ones) && + ((Ones + countLeadingZerosSlowCase()) == BitWidth); } /// \returns true if this APInt is a non-empty sequence of ones starting at @@ -453,8 +454,8 @@ public: bool isMask() const { if (isSingleWord()) return isMask_64(VAL); - unsigned Ones = countTrailingOnes(); - return (Ones > 0) && ((Ones + countLeadingZeros()) == BitWidth); + unsigned Ones = countTrailingOnesSlowCase(); + return (Ones > 0) && ((Ones + countLeadingZerosSlowCase()) == BitWidth); } /// \brief Return true if this APInt value contains a sequence of ones with @@ -462,8 +463,9 @@ public: bool isShiftedMask() const { if (isSingleWord()) return isShiftedMask_64(VAL); - unsigned Ones = countPopulation(); - return (Ones + countTrailingZeros() + countLeadingZeros()) == BitWidth; + unsigned Ones = countPopulationSlowCase(); + unsigned LeadZ = countLeadingZerosSlowCase(); + return (Ones + LeadZ + countTrailingZeros()) == BitWidth; } /// @} |
