[llvm] r320757 - [X86] Remove an unnecessary SmallVector that was collecting chains for two SDNode's we're still holding SDValues for. NFCI

[Craig Topper via llvm-commits]

Author: ctopper
Date: Thu Dec 14 14:50:10 2017
New Revision: 320757

URL: http://llvm.org/viewvc/llvm-project?rev=320757&view=rev
Log:
[X86] Remove an unnecessary SmallVector that was collecting chains for two SDNode's we're still holding SDValues for. NFCI

We can just get the chains from those SDValues to create the TokenFactor.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=320757&r1=320756&r2=320757&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Thu Dec 14 14:50:10 2017
@@ -18639,13 +18639,10 @@ static SDValue LowerExtended1BitVectorLo
 
   assert(VT == MVT::v32i8 && "Unexpected extload type");
 
-  SmallVector<SDValue, 2> Chains;
-
   SDValue BasePtr = Ld->getBasePtr();
   SDValue LoadLo = DAG.getLoad(MVT::v16i1, dl, Ld->getChain(),
                                Ld->getBasePtr(),
                                Ld->getMemOperand());
-  Chains.push_back(LoadLo.getValue(1));
 
   SDValue BasePtrHi =
     DAG.getNode(ISD::ADD, dl, BasePtr.getValueType(), BasePtr,
@@ -18654,8 +18651,9 @@ static SDValue LowerExtended1BitVectorLo
   SDValue LoadHi = DAG.getLoad(MVT::v16i1, dl, Ld->getChain(),
                                BasePtrHi,
                                Ld->getMemOperand());
-  Chains.push_back(LoadHi.getValue(1));
-  SDValue NewChain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, Chains);
+
+  SDValue NewChain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
+                                 LoadLo.getValue(1), LoadHi.getValue(1));
   DAG.ReplaceAllUsesOfValueWith(SDValue(Ld, 1), NewChain);
 
   SDValue Lo = DAG.getNode(ExtOpcode, dl, MVT::v16i8, LoadLo);