[X86] Remove an unnecessary SmallVector that was collecting chains for two SDNode...

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320757 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index ab143c7..55803ca 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -18639,13 +18639,10 @@ static SDValue LowerExtended1BitVectorLoad(SDValue Op,
 
   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 LowerExtended1BitVectorLoad(SDValue Op,
   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);