From b991dfeae75fba839150a21272a2aa875ec3945f Mon Sep 17 00:00:00 2001 From: Zhou Sheng Date: Tue, 13 Mar 2007 06:16:26 +0000 Subject: [PATCH] Add zextOrCopy() into APInt for convenience. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35079 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/ADT/APInt.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h index 5c8e0ee553d..3d479da4b83 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();