From 6b5106aea70f4303bb775bd9ebfaad80a5716893 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Fri, 17 Jun 2016 14:14:29 +0000
Subject: [PATCH] [ARM] Strength reduce vectors to arrays.

No functionality change intended.

llvm-svn: 273001
---
 lib/Target/ARM/ARMISelDAGToDAG.cpp | 32 ++++++++++--------------------
 1 file changed, 10 insertions(+), 22 deletions(-)

diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp
index efe62945771..a6087d663a3 100644
--- a/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -3362,10 +3362,7 @@ void ARMDAGToDAGISel::Select(SDNode *N) {
       Ops.push_back(Chain);
 
       // Writes to two registers.
-      std::vector<EVT> RetType;
-      RetType.push_back(MVT::i32);
-      RetType.push_back(MVT::i32);
-      RetType.push_back(MVT::Other);
+      const EVT RetType[] = {MVT::i32, MVT::i32, MVT::Other};
 
       ReplaceNode(N, CurDAG->getMachineNode(Opc, dl, RetType, Ops));
       return;
@@ -3391,11 +3388,8 @@ void ARMDAGToDAGISel::Select(SDNode *N) {
       ResTys.push_back(MVT::Other);
 
       // Place arguments in the right order.
-      SmallVector<SDValue, 7> Ops;
-      Ops.push_back(MemAddr);
-      Ops.push_back(getAL(CurDAG, dl));
-      Ops.push_back(CurDAG->getRegister(0, MVT::i32));
-      Ops.push_back(Chain);
+      SDValue Ops[] = {MemAddr, getAL(CurDAG, dl),
+                       CurDAG->getRegister(0, MVT::i32), Chain};
       SDNode *Ld = CurDAG->getMachineNode(NewOpc, dl, ResTys, Ops);
       // Transfer memoperands.
       MachineSDNode::mmo_iterator MemOp = MF->allocateMemRefsArray(1);
@@ -3564,8 +3558,8 @@ void ARMDAGToDAGISel::Select(SDNode *N) {
     case Intrinsic::arm_neon_vst2: {
       static const uint16_t DOpcodes[] = { ARM::VST2d8, ARM::VST2d16,
                                            ARM::VST2d32, ARM::VST1q64 };
-      static uint16_t QOpcodes[] = { ARM::VST2q8Pseudo, ARM::VST2q16Pseudo,
-                                     ARM::VST2q32Pseudo };
+      static const uint16_t QOpcodes[] = { ARM::VST2q8Pseudo, ARM::VST2q16Pseudo,
+                                           ARM::VST2q32Pseudo };
       SelectVST(N, false, 2, DOpcodes, QOpcodes, nullptr);
       return;
     }
@@ -3665,12 +3659,9 @@ void ARMDAGToDAGISel::Select(SDNode *N) {
   case ARMISD::VTBL1: {
     SDLoc dl(N);
     EVT VT = N->getValueType(0);
-    SmallVector<SDValue, 6> Ops;
-
-    Ops.push_back(N->getOperand(0));
-    Ops.push_back(N->getOperand(1));
-    Ops.push_back(getAL(CurDAG, dl));                // Predicate
-    Ops.push_back(CurDAG->getRegister(0, MVT::i32)); // Predicate Register
+    SDValue Ops[] = {N->getOperand(0), N->getOperand(1),
+                     getAL(CurDAG, dl),                 // Predicate
+                     CurDAG->getRegister(0, MVT::i32)}; // Predicate Register
     ReplaceNode(N, CurDAG->getMachineNode(ARM::VTBL1, dl, VT, Ops));
     return;
   }
@@ -3683,11 +3674,8 @@ void ARMDAGToDAGISel::Select(SDNode *N) {
     SDValue V1 = N->getOperand(1);
     SDValue RegSeq = SDValue(createDRegPairNode(MVT::v16i8, V0, V1), 0);
 
-    SmallVector<SDValue, 6> Ops;
-    Ops.push_back(RegSeq);
-    Ops.push_back(N->getOperand(2));
-    Ops.push_back(getAL(CurDAG, dl));                // Predicate
-    Ops.push_back(CurDAG->getRegister(0, MVT::i32)); // Predicate Register
+    SDValue Ops[] = {RegSeq, N->getOperand(2), getAL(CurDAG, dl), // Predicate
+                     CurDAG->getRegister(0, MVT::i32)}; // Predicate Register
     ReplaceNode(N, CurDAG->getMachineNode(ARM::VTBL2, dl, VT, Ops));
     return;
   }