From: Aaron Ballman <aaron@aaronballman.com>
Date: Thu, 15 Oct 2015 13:55:43 +0000 (+0000)
Subject: Silencing a -Wtype-limits warning; an unsigned value will always be >= 0; NFC.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ae7c0e87c26d6be3415bec1bd8ace83a816f3c31;p=oota-llvm.git

Silencing a -Wtype-limits warning; an unsigned value will always be >= 0; NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250404 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp
index d2a1f8737cd..e83a5793bf3 100644
--- a/lib/Analysis/ValueTracking.cpp
+++ b/lib/Analysis/ValueTracking.cpp
@@ -1382,7 +1382,7 @@ static void computeKnownBitsFromOperator(Operator *I, APInt &KnownZero,
         unsigned BitsPossiblySet = BitWidth - KnownZero2.countPopulation();
         unsigned LeadingZeros =
           APInt(BitWidth, BitsPossiblySet).countLeadingZeros();
-        assert(LeadingZeros >= 0 && LeadingZeros <= BitWidth);
+        assert(LeadingZeros <= BitWidth);
         KnownZero |= APInt::getHighBitsSet(BitWidth, LeadingZeros);
         KnownOne &= ~KnownZero;
         // TODO: we could bound KnownOne using the lower bound on the number