From: Craig Topper <craig.topper@gmail.com>
Date: Sat, 21 Jan 2012 08:49:33 +0000 (+0000)
Subject: Fix PR11819 introduced by r148537. I'd commit the test case, but the generated code... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=d9ec725db431744be037eaedd29d6575e3cc2754;p=oota-llvm.git

Fix PR11819 introduced by r148537. I'd commit the test case, but the generated code is terrible as it gets fully scalarized. Expect a future commit to fix that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148632 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 169daf6c00a..8a2aa76e4c2 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -5973,10 +5973,10 @@ LowerVECTOR_SHUFFLE_256(ShuffleVectorSDNode *SVOp, SelectionDAG &DAG) {
       if (MinRange[l][Input] == (int)NumElems && MaxRange[l][Input] < 0)
         continue;
 
-      if (MinRange[l][Input] >= 0 && MinRange[l][Input] < (int)NumLaneElems)
+      if (MinRange[l][Input] >= 0 && MaxRange[l][Input] < (int)NumLaneElems)
         ExtractIdx[l][Input] = 0;
       else if (MinRange[l][Input] >= (int)NumLaneElems &&
-               MinRange[l][Input] < (int)NumElems)
+               MaxRange[l][Input] < (int)NumElems)
         ExtractIdx[l][Input] = NumLaneElems;
       else
         return SDValue();