From de813b7108de64829ab006e6b998a7b38d119ecc Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 26 Mar 2012 19:13:57 +0000 Subject: eliminate an unneeded branch, part of PR12357 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153458 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp index 1165660..0dbe11d 100644 --- a/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp +++ b/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp @@ -1362,13 +1362,8 @@ static bool CollectBSwapParts(Value *V, int OverallLeftShift, uint32_t ByteMask, // part of the value (e.g. byte 3) then it must be shifted right. If from the // low part, it must be shifted left. unsigned DestByteNo = InputByteNo + OverallLeftShift; - if (InputByteNo < ByteValues.size()/2) { - if (ByteValues.size()-1-DestByteNo != InputByteNo) - return true; - } else { - if (ByteValues.size()-1-DestByteNo != InputByteNo) - return true; - } + if (ByteValues.size()-1-DestByteNo != InputByteNo) + return true; // If the destination byte value is already defined, the values are or'd // together, which isn't a bswap (unless it's an or of the same bits). -- cgit v1.1