llvm · kazutakahirata · Mar 27, 2025 · Mar 27, 2025
diff --git a/llvm/lib/Transforms/IPO/ExtractGV.cpp b/llvm/lib/Transforms/IPO/ExtractGV.cpp
@@ -52,7 +52,7 @@ static void makeVisible(GlobalValue &GV, bool Delete) {
 /// global values specified.
 ExtractGVPass::ExtractGVPass(std::vector<GlobalValue *> &GVs, bool deleteS,
                              bool keepConstInit)
-    : Named(GVs.begin(), GVs.end()), deleteStuff(deleteS),
+    : Named(llvm::from_range, GVs), deleteStuff(deleteS),
       keepConstInit(keepConstInit) {}
 
 PreservedAnalyses ExtractGVPass::run(Module &M, ModuleAnalysisManager &) {

diff --git a/llvm/lib/Transforms/IPO/GlobalOpt.cpp b/llvm/lib/Transforms/IPO/GlobalOpt.cpp
@@ -2319,10 +2319,10 @@ class LLVMUsed {
   LLVMUsed(Module &M) {
     SmallVector<GlobalValue *, 4> Vec;
     UsedV = collectUsedGlobalVariables(M, Vec, false);
-    Used = {Vec.begin(), Vec.end()};
+    Used = {llvm::from_range, Vec};
     Vec.clear();
     CompilerUsedV = collectUsedGlobalVariables(M, Vec, true);
-    CompilerUsed = {Vec.begin(), Vec.end()};
+    CompilerUsed = {llvm::from_range, Vec};
   }
 
   using iterator = SmallPtrSet<GlobalValue *, 4>::iterator;

diff --git a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
@@ -5874,7 +5874,7 @@ PreservedAnalyses OpenMPOptCGSCCPass::run(LazyCallGraph::SCC &C,
   bool PostLink = LTOPhase == ThinOrFullLTOPhase::FullLTOPostLink ||
                   LTOPhase == ThinOrFullLTOPhase::ThinLTOPostLink ||
                   LTOPhase == ThinOrFullLTOPhase::ThinLTOPreLink;
-  SetVector<Function *> Functions(SCC.begin(), SCC.end());
+  SetVector<Function *> Functions(llvm::from_range, SCC);
   OMPInformationCache InfoCache(*(Functions.back()->getParent()), AG, Allocator,
                                 /*CGSCC*/ &Functions, PostLink);
 

diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -1591,8 +1591,7 @@ bool GVNPass::PerformLoadPRE(LoadInst *Load, AvailValInBlkVect &ValuesPerBlock,
   // that we only have to insert *one* load (which means we're basically moving
   // the load, not inserting a new one).
 
-  SmallPtrSet<BasicBlock *, 4> Blockers(UnavailableBlocks.begin(),
-                                        UnavailableBlocks.end());
+  SmallPtrSet<BasicBlock *, 4> Blockers(llvm::from_range, UnavailableBlocks);
 
   // Let's find the first basic block with more than one predecessor.  Walk
   // backwards through predecessors if needed.

diff --git a/llvm/lib/Transforms/Scalar/GVNSink.cpp b/llvm/lib/Transforms/Scalar/GVNSink.cpp
@@ -522,7 +522,7 @@ class GVNSink {
 
     unsigned NumSunk = 0;
     ReversePostOrderTraversal<Function*> RPOT(&F);
-    VN.setReachableBBs(BasicBlocksSet(RPOT.begin(), RPOT.end()));
+    VN.setReachableBBs(BasicBlocksSet(llvm::from_range, RPOT));
     // Populate reverse post-order to order basic blocks in deterministic
     // order. Any arbitrary ordering will work in this case as long as they are
     // deterministic. The node ordering of newly created basic blocks

diff --git a/llvm/lib/Transforms/Scalar/InferAddressSpaces.cpp b/llvm/lib/Transforms/Scalar/InferAddressSpaces.cpp
@@ -895,7 +895,7 @@ void InferAddressSpacesImpl::inferAddressSpaces(
     ArrayRef<WeakTrackingVH> Postorder,
     ValueToAddrSpaceMapTy &InferredAddrSpace,
     PredicatedAddrSpaceMapTy &PredicatedAS) const {
-  SetVector<Value *> Worklist(Postorder.begin(), Postorder.end());
+  SetVector<Value *> Worklist(llvm::from_range, Postorder);
   // Initially, all expressions are in the uninitialized address space.
   for (Value *V : Postorder)
     InferredAddrSpace[V] = UninitializedAddressSpace;

diff --git a/llvm/lib/Transforms/Scalar/LICM.cpp b/llvm/lib/Transforms/Scalar/LICM.cpp
@@ -1564,8 +1564,7 @@ static void splitPredecessorsOfLoopExit(PHINode *PN, DominatorTree *DT,
 #ifndef NDEBUG
   SmallVector<BasicBlock *, 32> ExitBlocks;
   CurLoop->getUniqueExitBlocks(ExitBlocks);
-  SmallPtrSet<BasicBlock *, 32> ExitBlockSet(ExitBlocks.begin(),
-                                             ExitBlocks.end());
+  SmallPtrSet<BasicBlock *, 32> ExitBlockSet(llvm::from_range, ExitBlocks);
 #endif
   BasicBlock *ExitBB = PN->getParent();
   assert(ExitBlockSet.count(ExitBB) && "Expect the PHI is in an exit block.");
@@ -1699,8 +1698,7 @@ static bool sink(Instruction &I, LoopInfo *LI, DominatorTree *DT,
 #ifndef NDEBUG
   SmallVector<BasicBlock *, 32> ExitBlocks;
   CurLoop->getUniqueExitBlocks(ExitBlocks);
-  SmallPtrSet<BasicBlock *, 32> ExitBlockSet(ExitBlocks.begin(),
-                                             ExitBlocks.end());
+  SmallPtrSet<BasicBlock *, 32> ExitBlockSet(llvm::from_range, ExitBlocks);
 #endif
 
   // Clones of this instruction. Don't create more than one per exit block!

diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -102,7 +102,7 @@ void llvm::DeleteDeadBlocks(ArrayRef <BasicBlock *> BBs, DomTreeUpdater *DTU,
                             bool KeepOneInputPHIs) {
 #ifndef NDEBUG
   // Make sure that all predecessors of each dead block is also dead.
-  SmallPtrSet<BasicBlock *, 4> Dead(BBs.begin(), BBs.end());
+  SmallPtrSet<BasicBlock *, 4> Dead(llvm::from_range, BBs);
   assert(Dead.size() == BBs.size() && "Duplicating blocks?");
   for (auto *BB : Dead)
     for (BasicBlock *Pred : predecessors(BB))
@@ -1261,7 +1261,7 @@ static void UpdatePHINodes(BasicBlock *OrigBB, BasicBlock *NewBB,
                            ArrayRef<BasicBlock *> Preds, BranchInst *BI,
                            bool HasLoopExit) {
   // Otherwise, create a new PHI node in NewBB for each PHI node in OrigBB.
-  SmallPtrSet<BasicBlock *, 16> PredSet(Preds.begin(), Preds.end());
+  SmallPtrSet<BasicBlock *, 16> PredSet(llvm::from_range, Preds);
   for (BasicBlock::iterator I = OrigBB->begin(); isa<PHINode>(I); ) {
     PHINode *PN = cast<PHINode>(I++);
 

diff --git a/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp b/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp
@@ -87,8 +87,7 @@ static void addMappingsFromTLI(const TargetLibraryInfo &TLI, CallInst &CI) {
   SmallVector<std::string, 8> Mappings;
   VFABI::getVectorVariantNames(CI, Mappings);
   Module *M = CI.getModule();
-  const SetVector<StringRef> OriginalSetOfMappings(Mappings.begin(),
-                                                   Mappings.end());
+  const SetVector<StringRef> OriginalSetOfMappings(llvm::from_range, Mappings);
 
   auto AddVariantDecl = [&](const ElementCount &VF, bool Predicate) {
     const VecDesc *VD = TLI.getVectorMappingInfo(ScalarName, VF, Predicate);

diff --git a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -815,8 +815,8 @@ void PromoteMem2Reg::run() {
     AllocaLookup[Allocas[AllocaNum]] = AllocaNum;
 
     // Unique the set of defining blocks for efficient lookup.
-    SmallPtrSet<BasicBlock *, 32> DefBlocks(Info.DefiningBlocks.begin(),
-                                            Info.DefiningBlocks.end());
+    SmallPtrSet<BasicBlock *, 32> DefBlocks(llvm::from_range,
+                                            Info.DefiningBlocks);
 
     // Determine which blocks the value is live in.  These are blocks which lead
     // to uses.

diff --git a/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp b/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
@@ -2389,8 +2389,8 @@ void SCEVExpanderCleaner::cleanup() {
 
   auto InsertedInstructions = Expander.getAllInsertedInstructions();
 #ifndef NDEBUG
-  SmallPtrSet<Instruction *, 8> InsertedSet(InsertedInstructions.begin(),
-                                            InsertedInstructions.end());
+  SmallPtrSet<Instruction *, 8> InsertedSet(llvm::from_range,
+                                            InsertedInstructions);
   (void)InsertedSet;
 #endif
   // Remove sets with value handles.

diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -2721,7 +2721,7 @@ bool CompatibleSets::shouldBelongToSameSet(ArrayRef<InvokeInst *> Invokes) {
 
     // In the normal destination, the incoming values for these two `invoke`s
     // must be compatible.
-    SmallPtrSet<Value *, 16> EquivalenceSet(Invokes.begin(), Invokes.end());
+    SmallPtrSet<Value *, 16> EquivalenceSet(llvm::from_range, Invokes);
     if (!incomingValuesAreCompatible(
             NormalBB, {Invokes[0]->getParent(), Invokes[1]->getParent()},
             &EquivalenceSet))

diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -7325,8 +7325,7 @@ LoopVectorizationPlanner::precomputeCosts(VPlan &Plan, ElementCount VF,
       continue;
 
     const auto &ChainOps = RdxDesc.getReductionOpChain(RedPhi, OrigLoop);
-    SetVector<Instruction *> ChainOpsAndOperands(ChainOps.begin(),
-                                                 ChainOps.end());
+    SetVector<Instruction *> ChainOpsAndOperands(llvm::from_range, ChainOps);
     auto IsZExtOrSExt = [](const unsigned Opcode) -> bool {
       return Opcode == Instruction::ZExt || Opcode == Instruction::SExt;
     };

diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -1821,7 +1821,7 @@ class BoUpSLP {
 
       auto CheckSameEntryOrFail = [&]() {
         if (ArrayRef<TreeEntry *> TEs1 = R.getTreeEntries(V1); !TEs1.empty()) {
-          SmallPtrSet<TreeEntry *, 4> Set(TEs1.begin(), TEs1.end());
+          SmallPtrSet<TreeEntry *, 4> Set(llvm::from_range, TEs1);
           if (ArrayRef<TreeEntry *> TEs2 = R.getTreeEntries(V2);
               !TEs2.empty() &&
               any_of(TEs2, [&](TreeEntry *E) { return Set.contains(E); }))
@@ -8938,7 +8938,7 @@ void BoUpSLP::buildTree_rec(ArrayRef<Value *> VL, unsigned Depth,
         }
         return;
       }
-      SmallPtrSet<Value *, 8> Values(E->Scalars.begin(), E->Scalars.end());
+      SmallPtrSet<Value *, 8> Values(llvm::from_range, E->Scalars);
       if (all_of(VL, [&](Value *V) {
             return isa<PoisonValue>(V) || Values.contains(V);
           })) {
@@ -9038,8 +9038,8 @@ void BoUpSLP::buildTree_rec(ArrayRef<Value *> VL, unsigned Depth,
     SmallBitVector OpcodeMask(getAltInstrMask(VL, Opcode0, Opcode1));
     // Enable split node, only if all nodes do not form legal alternate
     // instruction (like X86 addsub).
-    SmallPtrSet<Value *, 4> UOp1(Op1.begin(), Op1.end());
-    SmallPtrSet<Value *, 4> UOp2(Op2.begin(), Op2.end());
+    SmallPtrSet<Value *, 4> UOp1(llvm::from_range, Op1);
+    SmallPtrSet<Value *, 4> UOp2(llvm::from_range, Op2);
     if (UOp1.size() <= 1 || UOp2.size() <= 1 ||
         TTI.isLegalAltInstr(VecTy, Opcode0, Opcode1, OpcodeMask) ||
         !hasFullVectorsOrPowerOf2(TTI, Op1.front()->getType(), Op1.size()) ||
@@ -14265,7 +14265,7 @@ BoUpSLP::isGatherShuffledSingleRegisterEntry(
     return std::nullopt;
   auto *NodeUI = DT->getNode(TEInsertBlock);
   assert(NodeUI && "Should only process reachable instructions");
-  SmallPtrSet<Value *, 4> GatheredScalars(VL.begin(), VL.end());
+  SmallPtrSet<Value *, 4> GatheredScalars(llvm::from_range, VL);
   auto CheckOrdering = [&](const Instruction *InsertPt) {
     // Argument InsertPt is an instruction where vector code for some other
     // tree entry (one that shares one or more scalars with TE) is going to be
@@ -21455,7 +21455,7 @@ class HorizontalReduction {
           }
         }
         V.transformNodes();
-        SmallPtrSet<Value *, 4> VLScalars(VL.begin(), VL.end());
+        SmallPtrSet<Value *, 4> VLScalars(llvm::from_range, VL);
         // Gather externally used values.
         SmallPtrSet<Value *, 4> Visited;
         for (unsigned Cnt = 0; Cnt < NumReducedVals; ++Cnt) {
@@ -23343,7 +23343,7 @@ bool SLPVectorizerPass::vectorizeGEPIndices(BasicBlock *BB, BoUpSLP &R) {
       // SetVector here to preserve program order. If the index computations
       // are vectorizable and begin with loads, we want to minimize the chance
       // of having to reorder them later.
-      SetVector<Value *> Candidates(GEPList.begin(), GEPList.end());
+      SetVector<Value *> Candidates(llvm::from_range, GEPList);
 
       // Some of the candidates may have already been vectorized after we
       // initially collected them or their index is optimized to constant value.

diff --git a/llvm/lib/Transforms/Vectorize/SandboxVectorizer/Legality.cpp b/llvm/lib/Transforms/Vectorize/SandboxVectorizer/Legality.cpp
@@ -219,7 +219,7 @@ const LegalityResult &LegalityAnalysis::canVectorize(ArrayRef<Value *> Bndl,
              [BB](auto *V) { return cast<Instruction>(V)->getParent() != BB; }))
     return createLegalityResult<Pack>(ResultReason::DiffBBs);
   // Pack if instructions repeat, i.e., require some sort of broadcast.
-  SmallPtrSet<Value *, 8> Unique(Bndl.begin(), Bndl.end());
+  SmallPtrSet<Value *, 8> Unique(llvm::from_range, Bndl);
   if (Unique.size() != Bndl.size())
     return createLegalityResult<Pack>(ResultReason::RepeatedInstrs);