From: Craig Topper <craig.topper@gmail.com>
Date: Mon, 21 Jan 2013 07:25:16 +0000 (+0000)
Subject: Use <0 checks in place of ==-1 because it results in simpler code.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=04f74a149d16ff92722c3c333ab36b130fd8cae7;p=oota-llvm.git

Use <0 checks in place of ==-1 because it results in simpler code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173010 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index e627dd45afc..ea514c6d6f7 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -5678,12 +5678,12 @@ LowerVECTOR_SHUFFLEtoBlend(ShuffleVectorSDNode *SVOp,
       SVOp->getMaskElt(i + NumElemsInLane) : -1;
     int EltIdx = SVOp->getMaskElt(i);
 
-    if ((EltIdx == -1 || EltIdx == (int)i) &&
-        (SndLaneEltIdx == -1 || SndLaneEltIdx == (int)(i + NumElemsInLane)))
+    if ((EltIdx < 0 || EltIdx == (int)i) &&
+        (SndLaneEltIdx < 0 || SndLaneEltIdx == (int)(i + NumElemsInLane)))
       continue;
 
     if (((unsigned)EltIdx == (i + NumElems)) &&
-        (SndLaneEltIdx == -1 ||
+        (SndLaneEltIdx < 0 ||
          (unsigned)SndLaneEltIdx == i + NumElems + NumElemsInLane))
       MaskValue |= (1<<i);
     else