diff options
-rw-r--r-- | include/llvm/ADT/APInt.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h index 5c8e0ee553..3d479da4b8 100644 --- a/include/llvm/ADT/APInt.h +++ b/include/llvm/ADT/APInt.h @@ -450,6 +450,15 @@ public: /// @brief Zero extend or truncate to width APInt &zextOrTrunc(uint32_t width); + /// This is a help function for convenience. If the given \p width equals to + /// this APInt's BitWidth, just return this APInt, otherwise, just zero + /// extend it. + inline APInt &zextOrCopy(uint32_t width) { + if (width == BitWidth) + return *this; + return zext(width); + } + /// @brief Set every bit to 1. APInt& set(); |