diff options
Diffstat (limited to 'backend/include/rcc/ADT')
| -rw-r--r-- | backend/include/rcc/ADT/APInt.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/backend/include/rcc/ADT/APInt.h b/backend/include/rcc/ADT/APInt.h index abd10f9..22ecf62 100644 --- a/backend/include/rcc/ADT/APInt.h +++ b/backend/include/rcc/ADT/APInt.h @@ -26,6 +26,8 @@ public: std::span<const std::uint64_t> Words); [[nodiscard]] static Expected<APInt> fromUnsigned(std::uint32_t BitWidth, std::uint64_t Value); [[nodiscard]] static Expected<APInt> fromSigned(std::uint32_t BitWidth, std::int64_t Value); + [[nodiscard]] static Expected<APInt> getLowBitsSet(std::uint32_t BitWidth, + std::uint32_t SetBitCount); [[nodiscard]] static Expected<APInt> parseDecimal(std::uint32_t BitWidth, std::string_view Text); [[nodiscard]] static Expected<APInt> parseLLVMHex(std::uint32_t BitWidth, std::string_view Text); @@ -42,6 +44,9 @@ public: [[nodiscard]] std::size_t activeBitWidth() const noexcept; [[nodiscard]] std::size_t countrZero() const noexcept; [[nodiscard]] std::uint64_t word(std::size_t Index) const noexcept; + [[nodiscard]] Expected<APInt> trunc(std::uint32_t NewBitWidth) const; + [[nodiscard]] Expected<APInt> zext(std::uint32_t NewBitWidth) const; + [[nodiscard]] Expected<APInt> sext(std::uint32_t NewBitWidth) const; [[nodiscard]] int compare(const APInt &Other) const noexcept; [[nodiscard]] int compareToShifted(const APInt &Other, std::size_t OtherShift) const noexcept; |