[llvm] r370498 - [DAGCombine] ReduceLoadWidth - remove duplicate SDLoc. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Fri Aug 30 11:19:02 2019
New Revision: 370498

URL: http://llvm.org/viewvc/llvm-project?rev=370498&view=rev
Log:
[DAGCombine] ReduceLoadWidth - remove duplicate SDLoc. NFCI.

SDLoc(N0) and SDLoc(cast<LoadSDNode>(N0)) should be equivalent.

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

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=370498&r1=370497&r2=370498&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Fri Aug 30 11:19:02 2019
@@ -10246,11 +10246,11 @@ SDValue DAGCombiner::ReduceLoadWidth(SDN
 
   SDValue Load;
   if (ExtType == ISD::NON_EXTLOAD)
-    Load = DAG.getLoad(VT, SDLoc(N0), LN0->getChain(), NewPtr,
+    Load = DAG.getLoad(VT, DL, LN0->getChain(), NewPtr,
                        LN0->getPointerInfo().getWithOffset(PtrOff), NewAlign,
                        LN0->getMemOperand()->getFlags(), LN0->getAAInfo());
   else
-    Load = DAG.getExtLoad(ExtType, SDLoc(N0), VT, LN0->getChain(), NewPtr,
+    Load = DAG.getExtLoad(ExtType, DL, VT, LN0->getChain(), NewPtr,
                           LN0->getPointerInfo().getWithOffset(PtrOff), ExtVT,
                           NewAlign, LN0->getMemOperand()->getFlags(),
                           LN0->getAAInfo());
@@ -10269,7 +10269,6 @@ SDValue DAGCombiner::ReduceLoadWidth(SDN
     // no larger than the source) then the useful bits of the result are
     // zero; we can't simply return the shortened shift, because the result
     // of that operation is undefined.
-    SDLoc DL(N0);
     if (ShLeftAmt >= VT.getSizeInBits())
       Result = DAG.getConstant(0, DL, VT);
     else