From: Chandler Carruth <chandlerc@gmail.com>
Date: Fri, 2 Nov 2012 05:24:00 +0000 (+0000)
Subject: Fix sign compare warning. Patch by Mahesha HS.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=6e48f0307758096d06d0e87875294c76df81dec1;p=oota-llvm.git

Fix sign compare warning. Patch by Mahesha HS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167282 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp
index c9871e25f12..892808760f7 100644
--- a/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -76,7 +76,7 @@ VectorizationFactor("force-vector-width", cl::init(0), cl::Hidden,
           cl::desc("Set the default vectorization width. Zero is autoselect."));
 
 /// We don't vectorize loops with a known constant trip count below this number.
-const int TinyTripCountThreshold = 16;
+const unsigned TinyTripCountThreshold = 16;
 
 namespace {
 
@@ -1161,7 +1161,7 @@ bool LoopVectorizationLegality::canVectorize() {
 
   // Do not loop-vectorize loops with a tiny trip count.
   unsigned TC = SE->getSmallConstantTripCount(TheLoop, BB);
-  if (TC > 0 && TC < TinyTripCountThreshold) {
+  if (TC > 0u && TC < TinyTripCountThreshold) {
     DEBUG(dbgs() << "LV: Found a loop with a very small trip count. " <<
           "This loop is not worth vectorizing.\n");
     return false;