Use VT::getHalfNumVectorElementsVT helpers in a few places. NFCI.
llvm-svn: 369751
diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index 84cd839..be248ee 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -6541,8 +6541,7 @@
if (!isConcatMask(Mask, VT, SplitV0))
return SDValue();
- EVT CastVT = EVT::getVectorVT(*DAG.getContext(), VT.getVectorElementType(),
- VT.getVectorNumElements() / 2);
+ EVT CastVT = VT.getHalfNumVectorElementsVT(*DAG.getContext());
if (SplitV0) {
V0 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, CastVT, V0,
DAG.getConstant(0, DL, MVT::i64));
@@ -10610,10 +10609,10 @@
return ReplacedSplat;
SDLoc DL(S);
- unsigned NumElts = VT.getVectorNumElements() / 2;
+
// Split VT into two.
- EVT HalfVT =
- EVT::getVectorVT(*DAG.getContext(), VT.getVectorElementType(), NumElts);
+ EVT HalfVT = VT.getHalfNumVectorElementsVT(*DAG.getContext());
+ unsigned NumElts = HalfVT.getVectorNumElements();
SDValue SubVector0 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, HalfVT, StVal,
DAG.getConstant(0, DL, MVT::i64));
SDValue SubVector1 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, HalfVT, StVal,