[llvm] r361821 - [DAG] LegalizeVectorTypes - reduce scope of local variables. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Tue May 28 06:46:26 2019
New Revision: 361821

URL: http://llvm.org/viewvc/llvm-project?rev=361821&view=rev
Log:
[DAG] LegalizeVectorTypes - reduce scope of local variables. NFCI.

Move the element index/count variables into the block where they are actually used - appeases cppcheck and helps avoid shadow variable warnings.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp?rev=361821&r1=361820&r2=361821&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp Tue May 28 06:46:26 2019
@@ -2812,14 +2812,13 @@ static SDValue CollectOpsToWiden(Selecti
 
   SDLoc dl(ConcatOps[0]);
   EVT WidenEltVT = WidenVT.getVectorElementType();
-  int Idx = 0;
 
   // while (Some element of ConcatOps is not of type MaxVT) {
   //   From the end of ConcatOps, collect elements of the same type and put
   //   them into an op of the next larger supported type
   // }
   while (ConcatOps[ConcatEnd-1].getValueType() != MaxVT) {
-    Idx = ConcatEnd - 1;
+    int Idx = ConcatEnd - 1;
     VT = ConcatOps[Idx--].getValueType();
     while (Idx >= 0 && ConcatOps[Idx].getValueType() == VT)
       Idx--;
@@ -4378,10 +4377,9 @@ SDValue DAGTypeLegalizer::WidenVecOp_MSC
   SDValue Index = MSC->getIndex();
   SDValue Scale = MSC->getScale();
 
-  unsigned NumElts;
   if (OpNo == 1) {
     DataOp = GetWidenedVector(DataOp);
-    NumElts = DataOp.getValueType().getVectorNumElements();
+    unsigned NumElts = DataOp.getValueType().getVectorNumElements();
 
     // Widen index.
     EVT IndexVT = Index.getValueType();