From 24db6b800fcdf0b45f1e2489ec3a7fb57937f0d1 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Fri, 28 Apr 2017 16:58:05 +0000
Subject: [APInt] Add clearSignBit method. Use it and setSignBit in a few
 places. NFCI

llvm-svn: 301656
---
 llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp')

diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
index 2e2116c60e6..4f1f1949976 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
@@ -861,7 +861,7 @@ static bool checkRippleForAdd(const APInt &Op0KnownZero,
   // Find the most significant known 0 other than the sign bit.
   int BitWidth = Op0KnownZero.getBitWidth();
   APInt Op0KnownZeroTemp(Op0KnownZero);
-  Op0KnownZeroTemp.clearBit(BitWidth - 1);
+  Op0KnownZeroTemp.clearSignBit();
   int Op0ZeroPosition = BitWidth - Op0KnownZeroTemp.countLeadingZeros() - 1;
 
   int Op1OnePosition = BitWidth - Op1MaybeOne.countLeadingZeros() - 1;
-- 
cgit v1.2.3