[llvm] Use range constructors for *Set (NFC)

llvm/lib/CodeGen/CodeGenPrepare.cpp

@@ -7576,8 +7576,7 @@ bool CodeGenPrepare::optimizeSelectInst(SelectInst *SI) {
   else if (FalseBlock == nullptr)
     FalseBlock = StartBlock;
 
-  SmallPtrSet<const Instruction *, 2> INS;
-  INS.insert_range(ASI);
+  SmallPtrSet<const Instruction *, 2> INS(llvm::from_range, ASI);
   // Use reverse iterator because later select may use the value of the
   // earlier select, and we need to propagate value through earlier select
   // to get the PHI operand.

llvm/lib/IR/Metadata.cpp

@@ -1635,8 +1635,7 @@ void Instruction::dropUnknownNonDebugMetadata(ArrayRef<unsigned> KnownIDs) {
   if (!Value::hasMetadata())
     return; // Nothing to remove!
 
-  SmallSet<unsigned, 32> KnownSet;
-  KnownSet.insert_range(KnownIDs);
+  SmallSet<unsigned, 32> KnownSet(llvm::from_range, KnownIDs);
 
   // A DIAssignID attachment is debug metadata, don't drop it.
   KnownSet.insert(LLVMContext::MD_DIAssignID);

llvm/lib/Target/AArch64/AArch64Subtarget.cpp

@@ -394,8 +394,7 @@ AArch64Subtarget::AArch64Subtarget(const Triple &TT, StringRef CPU,
   RegBankInfo.reset(RBI);
 
   auto TRI = getRegisterInfo();
-  StringSet<> ReservedRegNames;
-  ReservedRegNames.insert_range(ReservedRegsForRA);
+  StringSet<> ReservedRegNames(llvm::from_range, ReservedRegsForRA);
   for (unsigned i = 0; i < 29; ++i) {
     if (ReservedRegNames.count(TRI->getName(AArch64::X0 + i)))
       ReserveXRegisterForRA.set(i);

llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp

@@ -794,8 +794,7 @@ bool LowOverheadLoop::ValidateTailPredicate() {
       !RDA.hasLocalDefBefore(VCTP, VCTP->getOperand(1).getReg())) {
     if (auto *Def = RDA.getUniqueReachingMIDef(
             &Preheader->back(), VCTP->getOperand(1).getReg().asMCReg())) {
-      SmallPtrSet<MachineInstr*, 2> Ignore;
-      Ignore.insert_range(VCTPs);
+      SmallPtrSet<MachineInstr *, 2> Ignore(llvm::from_range, VCTPs);
       TryRemove(Def, RDA, ToRemove, Ignore);
     }
   }

llvm/lib/Target/SystemZ/SystemZRegisterInfo.cpp

@@ -58,8 +58,7 @@ static void addHints(ArrayRef<MCPhysReg> Order,
                      SmallVectorImpl<MCPhysReg> &Hints,
                      const TargetRegisterClass *RC,
                      const MachineRegisterInfo *MRI) {
-  SmallSet<unsigned, 4> CopyHints;
-  CopyHints.insert_range(Hints);
+  SmallSet<unsigned, 4> CopyHints(llvm::from_range, Hints);
   Hints.clear();
   for (MCPhysReg Reg : Order)
     if (CopyHints.count(Reg) &&

llvm/lib/Target/X86/X86RegisterInfo.cpp

@@ -1213,8 +1213,7 @@ bool X86RegisterInfo::getRegAllocationHints(Register VirtReg,
       Hints.push_back(PhysReg);
   };
 
-  SmallSet<MCPhysReg, 4> CopyHints;
-  CopyHints.insert_range(Hints);
+  SmallSet<MCPhysReg, 4> CopyHints(llvm::from_range, Hints);
   Hints.clear();
   for (auto Hint : CopyHints) {
     if (RC.contains(Hint) && !MRI->isReserved(Hint))

llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp

@@ -967,9 +967,7 @@ void FunctionInstrumenter::instrument() {
       InstrumentBBs.size() + FuncInfo.SIVisitor.getNumOfSelectInsts();
 
   if (IsCtxProf) {
-    StringSet<> SkipCSInstr;
-    SkipCSInstr.insert(CtxPGOSkipCallsiteInstrument.begin(),
-                       CtxPGOSkipCallsiteInstrument.end());
+    StringSet<> SkipCSInstr(llvm::from_range, CtxPGOSkipCallsiteInstrument);
 
     auto *CSIntrinsic =
         Intrinsic::getOrInsertDeclaration(&M, Intrinsic::instrprof_callsite);

llvm/lib/Transforms/Scalar/LICM.cpp

@@ -688,9 +688,10 @@ class ControlFlowHoister {
     // intersection of their successors is non-empty.
     // TODO: This could be expanded to allowing branches where both ends
     // eventually converge to a single block.
-    SmallPtrSet<BasicBlock *, 4> TrueDestSucc, FalseDestSucc;
-    TrueDestSucc.insert_range(successors(TrueDest));
-    FalseDestSucc.insert_range(successors(FalseDest));
+    SmallPtrSet<BasicBlock *, 4> TrueDestSucc(llvm::from_range,
+                                              successors(TrueDest));
+    SmallPtrSet<BasicBlock *, 4> FalseDestSucc(llvm::from_range,
+                                               successors(FalseDest));
     BasicBlock *CommonSucc = nullptr;
     if (TrueDestSucc.count(FalseDest)) {
       CommonSucc = FalseDest;

llvm/lib/Transforms/Utils/LoopUtils.cpp

@@ -700,8 +700,7 @@ void llvm::deleteDeadLoop(Loop *L, DominatorTree *DT, ScalarEvolution *SE,
     // Finally, the blocks from loopinfo.  This has to happen late because
     // otherwise our loop iterators won't work.
 
-    SmallPtrSet<BasicBlock *, 8> blocks;
-    blocks.insert_range(L->blocks());
+    SmallPtrSet<BasicBlock *, 8> blocks(llvm::from_range, L->blocks());
     for (BasicBlock *BB : blocks)
       LI->removeBlock(BB);
 

llvm/tools/llvm-exegesis/lib/Clustering.cpp

@@ -148,8 +148,8 @@ void BenchmarkClustering::clusterizeDbScan(const size_t MinPts) {
     CurrentCluster.PointIndices.push_back(P);
 
     // Process P's neighbors.
-    SetVector<size_t, std::deque<size_t>> ToProcess;
-    ToProcess.insert_range(Neighbors);
+    SetVector<size_t, std::deque<size_t>> ToProcess(llvm::from_range,
+                                                    Neighbors);
     while (!ToProcess.empty()) {
       // Retrieve a point from the set.
       const size_t Q = *ToProcess.begin();

llvm/utils/TableGen/Common/CodeGenDAGPatterns.cpp

@@ -3321,8 +3321,7 @@ void CodeGenDAGPatterns::ParsePatternFragments(bool OutFrags) {
     std::vector<std::string> &Args = P->getArgList();
     // Copy the args so we can take StringRefs to them.
     auto ArgsCopy = Args;
-    SmallDenseSet<StringRef, 4> OperandsSet;
-    OperandsSet.insert_range(ArgsCopy);
+    SmallDenseSet<StringRef, 4> OperandsSet(llvm::from_range, ArgsCopy);
 
     if (OperandsSet.count(""))
       P->error("Cannot have unnamed 'node' values in pattern fragment!");