Add op_values() to iterate over the SDValue operands of an SDNode.

SDNode already had ops() which would iterate over the operands and return
SDUse*.  This version instead gets the SDValue's out of the SDUse's so that
we can use foreach in more places.

Reviewed by David Blaikie.

llvm-svn: 240805

1 files changed, 1 insertions, 2 deletions

diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index 2dc1ac20413..f3242cdd971 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -1777,8 +1777,7 @@ static bool isExtendedBUILD_VECTOR(SDNode *N, SelectionDAG &DAG,
   if (N->getOpcode() != ISD::BUILD_VECTOR)
     return false;
 
-  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
-    SDNode *Elt = N->getOperand(i).getNode();
+  for (const SDValue &Elt : N->op_values()) {
     if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Elt)) {
       unsigned EltSize = VT.getVectorElementType().getSizeInBits();
       unsigned HalfSize = EltSize / 2;