[llvm] r315159 - [X86] Use getConstantOperandVal to simplify some code. NFC

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sat Oct  7 18:33:38 2017
New Revision: 315159

URL: http://llvm.org/viewvc/llvm-project?rev=315159&view=rev
Log:
[X86] Use getConstantOperandVal to simplify some code. NFC

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=315159&r1=315158&r2=315159&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Sat Oct  7 18:33:38 2017
@@ -36112,9 +36112,8 @@ static SDValue combineInsertSubvector(SD
   SDLoc dl(N);
   SDValue Vec = N->getOperand(0);
   SDValue SubVec = N->getOperand(1);
-  SDValue Idx = N->getOperand(2);
 
-  unsigned IdxVal = cast<ConstantSDNode>(Idx)->getZExtValue();
+  unsigned IdxVal = N->getConstantOperandVal(2);
   MVT SubVecVT = SubVec.getSimpleValueType();
 
   if (ISD::isBuildVectorAllZeros(Vec.getNode())) {
@@ -36220,7 +36219,8 @@ static SDValue combineInsertSubvector(SD
         Vec = DAG.getNode(ISD::INSERT_SUBVECTOR, dl, OpVT, DAG.getUNDEF(OpVT),
                           SubVec2, Vec.getOperand(2));
         DCI.AddToWorklist(Vec.getNode());
-        return DAG.getNode(ISD::INSERT_SUBVECTOR, dl, OpVT, Vec, SubVec, Idx);
+        return DAG.getNode(ISD::INSERT_SUBVECTOR, dl, OpVT, Vec, SubVec,
+                           N->getOperand(2));
 
       }
     }