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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82654 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 673d222..9de0ce8 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -1839,18 +1839,18 @@
   // fold (zext_inreg (extload x)) -> (zextload x)
   if (ISD::isEXTLoad(N0.getNode()) && ISD::isUNINDEXEDLoad(N0.getNode())) {
     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
-    EVT EVT = LN0->getMemoryVT();
+    EVT MemVT = LN0->getMemoryVT();
     // If we zero all the possible extended bits, then we can turn this into
     // a zextload if we are running before legalize or the operation is legal.
     unsigned BitWidth = N1.getValueSizeInBits();
     if (DAG.MaskedValueIsZero(N1, APInt::getHighBitsSet(BitWidth,
-                                     BitWidth - EVT.getSizeInBits())) &&
+                                     BitWidth - MemVT.getSizeInBits())) &&
         ((!LegalOperations && !LN0->isVolatile()) ||
-         TLI.isLoadExtLegal(ISD::ZEXTLOAD, EVT))) {
+         TLI.isLoadExtLegal(ISD::ZEXTLOAD, MemVT))) {
       SDValue ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, N0.getDebugLoc(), VT,
                                        LN0->getChain(), LN0->getBasePtr(),
                                        LN0->getSrcValue(),
-                                       LN0->getSrcValueOffset(), EVT,
+                                       LN0->getSrcValueOffset(), MemVT,
                                        LN0->isVolatile(), LN0->getAlignment());
       AddToWorkList(N);
       CombineTo(N0.getNode(), ExtLoad, ExtLoad.getValue(1));
@@ -1861,18 +1861,18 @@
   if (ISD::isSEXTLoad(N0.getNode()) && ISD::isUNINDEXEDLoad(N0.getNode()) &&
       N0.hasOneUse()) {
     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
-    EVT EVT = LN0->getMemoryVT();
+    EVT MemVT = LN0->getMemoryVT();
     // If we zero all the possible extended bits, then we can turn this into
     // a zextload if we are running before legalize or the operation is legal.
     unsigned BitWidth = N1.getValueSizeInBits();
     if (DAG.MaskedValueIsZero(N1, APInt::getHighBitsSet(BitWidth,
-                                     BitWidth - EVT.getSizeInBits())) &&
+                                     BitWidth - MemVT.getSizeInBits())) &&
         ((!LegalOperations && !LN0->isVolatile()) ||
-         TLI.isLoadExtLegal(ISD::ZEXTLOAD, EVT))) {
+         TLI.isLoadExtLegal(ISD::ZEXTLOAD, MemVT))) {
       SDValue ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, N0.getDebugLoc(), VT,
                                        LN0->getChain(),
                                        LN0->getBasePtr(), LN0->getSrcValue(),
-                                       LN0->getSrcValueOffset(), EVT,
+                                       LN0->getSrcValueOffset(), MemVT,
                                        LN0->isVolatile(), LN0->getAlignment());
       AddToWorkList(N);
       CombineTo(N0.getNode(), ExtLoad, ExtLoad.getValue(1));
@@ -3086,13 +3086,13 @@
   if ((ISD::isSEXTLoad(N0.getNode()) || ISD::isEXTLoad(N0.getNode())) &&
       ISD::isUNINDEXEDLoad(N0.getNode()) && N0.hasOneUse()) {
     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
-    EVT EVT = LN0->getMemoryVT();
+    EVT MemVT = LN0->getMemoryVT();
     if ((!LegalOperations && !LN0->isVolatile()) ||
-        TLI.isLoadExtLegal(ISD::SEXTLOAD, EVT)) {
+        TLI.isLoadExtLegal(ISD::SEXTLOAD, MemVT)) {
       SDValue ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, N->getDebugLoc(), VT,
                                        LN0->getChain(),
                                        LN0->getBasePtr(), LN0->getSrcValue(),
-                                       LN0->getSrcValueOffset(), EVT,
+                                       LN0->getSrcValueOffset(), MemVT,
                                        LN0->isVolatile(), LN0->getAlignment());
       CombineTo(N, ExtLoad);
       CombineTo(N0.getNode(),
@@ -3246,13 +3246,13 @@
   if ((ISD::isZEXTLoad(N0.getNode()) || ISD::isEXTLoad(N0.getNode())) &&
       ISD::isUNINDEXEDLoad(N0.getNode()) && N0.hasOneUse()) {
     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
-    EVT EVT = LN0->getMemoryVT();
+    EVT MemVT = LN0->getMemoryVT();
     if ((!LegalOperations && !LN0->isVolatile()) ||
-        TLI.isLoadExtLegal(ISD::ZEXTLOAD, EVT)) {
+        TLI.isLoadExtLegal(ISD::ZEXTLOAD, MemVT)) {
       SDValue ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, N->getDebugLoc(), VT,
                                        LN0->getChain(),
                                        LN0->getBasePtr(), LN0->getSrcValue(),
-                                       LN0->getSrcValueOffset(), EVT,
+                                       LN0->getSrcValueOffset(), MemVT,
                                        LN0->isVolatile(), LN0->getAlignment());
       CombineTo(N, ExtLoad);
       CombineTo(N0.getNode(),
@@ -3382,11 +3382,11 @@
       !ISD::isNON_EXTLoad(N0.getNode()) && ISD::isUNINDEXEDLoad(N0.getNode()) &&
       N0.hasOneUse()) {
     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
-    EVT EVT = LN0->getMemoryVT();
+    EVT MemVT = LN0->getMemoryVT();
     SDValue ExtLoad = DAG.getExtLoad(LN0->getExtensionType(), N->getDebugLoc(),
                                      VT, LN0->getChain(), LN0->getBasePtr(),
                                      LN0->getSrcValue(),
-                                     LN0->getSrcValueOffset(), EVT,
+                                     LN0->getSrcValueOffset(), MemVT,
                                      LN0->isVolatile(), LN0->getAlignment());
     CombineTo(N, ExtLoad);
     CombineTo(N0.getNode(),
@@ -5291,9 +5291,9 @@
   if (!LegalOperations && InVec.getOpcode() == ISD::UNDEF && 
       isa<ConstantSDNode>(EltNo)) {
     EVT VT = InVec.getValueType();
-    EVT EVT = VT.getVectorElementType();
+    EVT EltVT = VT.getVectorElementType();
     unsigned NElts = VT.getVectorNumElements();
-    SmallVector<SDValue, 8> Ops(NElts, DAG.getUNDEF(EVT));
+    SmallVector<SDValue, 8> Ops(NElts, DAG.getUNDEF(EltVT));
 
     unsigned Elt = cast<ConstantSDNode>(EltNo)->getZExtValue();
     if (Elt < Ops.size())
@@ -5599,9 +5599,9 @@
         return SDValue();
 
       // Return the new VECTOR_SHUFFLE node.
-      EVT EVT = RVT.getVectorElementType();
+      EVT EltVT = RVT.getVectorElementType();
       SmallVector<SDValue,8> ZeroOps(RVT.getVectorNumElements(),
-                                     DAG.getConstant(0, EVT));
+                                     DAG.getConstant(0, EltVT));
       SDValue Zero = DAG.getNode(ISD::BUILD_VECTOR, N->getDebugLoc(),
                                  RVT, &ZeroOps[0], ZeroOps.size());
       LHS = DAG.getNode(ISD::BIT_CONVERT, dl, RVT, LHS);