From 7d820f57e27fc00fafe58cd257ac62e38d68fee5 Mon Sep 17 00:00:00 2001 From: Zhou Sheng Date: Mon, 12 Mar 2007 17:47:45 +0000 Subject: [PATCH] For APInt::z/sext(width), if width == BitWidth, just return *this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35065 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Support/APInt.cpp | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp index 08ec2362007..ae8f6e4e395 100644 --- a/lib/Support/APInt.cpp +++ b/lib/Support/APInt.cpp @@ -921,6 +921,8 @@ APInt &APInt::trunc(uint32_t width) { // Sign extend to a new width. APInt &APInt::sext(uint32_t width) { + if (width == BitWidth) + return *this; assert(width > BitWidth && "Invalid APInt SignExtend request"); assert(width <= IntegerType::MAX_INT_BITS && "Too many bits"); // If the sign bit isn't set, this is the same as zext. @@ -969,6 +971,8 @@ APInt &APInt::sext(uint32_t width) { // Zero extend to a new width. APInt &APInt::zext(uint32_t width) { + if (width == BitWidth) + return *this; assert(width > BitWidth && "Invalid APInt ZeroExtend request"); assert(width <= IntegerType::MAX_INT_BITS && "Too many bits"); uint32_t wordsBefore = getNumWords(); -- 2.34.1