Rename several variables from EVT to more descriptive names, now that EVT
is also the name of their type, as declarations like "EVT EVT" look
really odd.

llvm-svn: 82654
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 6f0b3ca..7bd85fd 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -606,13 +606,13 @@
   // Every integer value type larger than this largest register takes twice as
   // many registers to represent as the previous ValueType.
   for (unsigned ExpandedReg = LargestIntReg + 1; ; ++ExpandedReg) {
-    EVT EVT = (MVT::SimpleValueType)ExpandedReg;
-    if (!EVT.isInteger())
+    EVT ExpandedVT = (MVT::SimpleValueType)ExpandedReg;
+    if (!ExpandedVT.isInteger())
       break;
     NumRegistersForVT[ExpandedReg] = 2*NumRegistersForVT[ExpandedReg-1];
     RegisterTypeForVT[ExpandedReg] = (MVT::SimpleValueType)LargestIntReg;
     TransformToType[ExpandedReg] = (MVT::SimpleValueType)(ExpandedReg - 1);
-    ValueTypeActions.setTypeAction(EVT, Expand);
+    ValueTypeActions.setTypeAction(ExpandedVT, Expand);
   }
 
   // Inspect all of the ValueType's smaller than the largest integer