diff options
| -rw-r--r-- | include/llvm/ADT/APInt.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h index b08da956ab..489675d3b7 100644 --- a/include/llvm/ADT/APInt.h +++ b/include/llvm/ADT/APInt.h @@ -352,6 +352,13 @@ public: return !slt(RHS); } + /// This just tests the high bit of this APInt to determine if it is negative. + /// @returns true if this APInt is negative, false otherwise + /// @brief Determine sign of this APInt. + bool isNegative() { + return (*this)[BitWidth - 1]; + } + /// Arithmetic right-shift this APInt by shiftAmt. /// @brief Arithmetic right-shift function. APInt ashr(uint32_t shiftAmt) const; |