From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Mon, 5 Dec 2016 14:25:04 +0000 (+0000)
Subject: Use range based for loop. NFCI.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4b0a367e90ac3656ba054cf0f270fb7fa577a80d;p=llvm

Use range based for loop. NFCI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288671 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index bd8c6a2302d..6b23b6187a9 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -27396,13 +27396,10 @@ static SDValue combineShuffleOfConcatUndef(SDNode *N, SelectionDAG &DAG,
   // index, but elements from the second source no longer need to skip an undef.
   SmallVector<int, 8> Mask;
   int NumElts = VT.getVectorNumElements();
-  for (int i = 0; i < NumElts; ++i) {
-    int Elt = cast<ShuffleVectorSDNode>(N)->getMaskElt(i);
-    if (Elt < NumElts)
-      Mask.push_back(Elt);
-    else
-      Mask.push_back(Elt - NumElts / 2);
-  }
+
+  ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(N);
+  for (int Elt : SVOp->getMask())
+    Mask.push_back(Elt < NumElts ? Elt : (Elt - NumElts / 2));
 
   SDLoc DL(N);
   SDValue Concat = DAG.getNode(ISD::CONCAT_VECTORS, DL, VT, N0.getOperand(0),