[RISCV] Use llvm::reverse instead of make_range(rbegin, rend). NFC

Author: lukel97

llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp

@@ -1719,8 +1719,7 @@ void RISCVInsertVSETVLI::coalesceVSETVLIs(MachineBasicBlock &MBB) const {
       ToDelete.push_back(VLOpDef);
   };
 
-  for (MachineInstr &MI :
-       make_early_inc_range(make_range(MBB.rbegin(), MBB.rend()))) {
+  for (MachineInstr &MI : make_early_inc_range(reverse(MBB))) {
 
     if (!isVectorConfigInstr(MI)) {
       Used.doUnion(getDemanded(MI, ST));

llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp

@@ -1365,7 +1365,7 @@ bool RISCVVLOptimizer::runOnMachineFunction(MachineFunction &MF) {
     if (!MDT->isReachableFromEntry(&MBB))
       continue;
 
-    for (auto &MI : make_range(MBB.rbegin(), MBB.rend())) {
+    for (auto &MI : reverse(MBB)) {
       if (!isCandidate(MI))
         continue;
       if (!tryReduceVL(MI))