llvm · kazutakahirata · Apr 20, 2025 · Apr 20, 2025
diff --git a/llvm/include/llvm/ADT/ArrayRef.h b/llvm/include/llvm/ADT/ArrayRef.h
@@ -562,7 +562,7 @@ namespace llvm {
   /// @}
 
   template <typename T> hash_code hash_value(ArrayRef<T> S) {
-    return hash_combine_range(S.begin(), S.end());
+    return hash_combine_range(S);
   }
 
   // Provide DenseMapInfo for ArrayRefs.

diff --git a/llvm/include/llvm/ADT/Hashing.h b/llvm/include/llvm/ADT/Hashing.h
@@ -649,7 +649,7 @@ template <typename... Ts> hash_code hash_value(const std::tuple<Ts...> &arg) {
 // infrastructure is available.
 template <typename T>
 hash_code hash_value(const std::basic_string<T> &arg) {
-  return hash_combine_range(arg.begin(), arg.end());
+  return hash_combine_range(arg);
 }
 
 template <typename T> hash_code hash_value(const std::optional<T> &arg) {

diff --git a/llvm/include/llvm/Analysis/IRSimilarityIdentifier.h b/llvm/include/llvm/Analysis/IRSimilarityIdentifier.h
@@ -263,37 +263,35 @@ struct IRInstructionData
       OperTypes.push_back(V->getType());
 
     if (isa<CmpInst>(ID.Inst))
-      return llvm::hash_combine(
-          llvm::hash_value(ID.Inst->getOpcode()),
-          llvm::hash_value(ID.Inst->getType()),
-          llvm::hash_value(ID.getPredicate()),
-          llvm::hash_combine_range(OperTypes.begin(), OperTypes.end()));
+      return llvm::hash_combine(llvm::hash_value(ID.Inst->getOpcode()),
+                                llvm::hash_value(ID.Inst->getType()),
+                                llvm::hash_value(ID.getPredicate()),
+                                llvm::hash_combine_range(OperTypes));
 
     if (IntrinsicInst *II = dyn_cast<IntrinsicInst>(ID.Inst)) {
       // To hash intrinsics, we use the opcode, and types like the other
       // instructions, but also, the Intrinsic ID, and the Name of the
       // intrinsic.
       Intrinsic::ID IntrinsicID = II->getIntrinsicID();
-      return llvm::hash_combine(
-          llvm::hash_value(ID.Inst->getOpcode()),
-          llvm::hash_value(ID.Inst->getType()), llvm::hash_value(IntrinsicID),
-          llvm::hash_value(*ID.CalleeName),
-          llvm::hash_combine_range(OperTypes.begin(), OperTypes.end()));
+      return llvm::hash_combine(llvm::hash_value(ID.Inst->getOpcode()),
+                                llvm::hash_value(ID.Inst->getType()),
+                                llvm::hash_value(IntrinsicID),
+                                llvm::hash_value(*ID.CalleeName),
+                                llvm::hash_combine_range(OperTypes));
     }
 
     if (isa<CallInst>(ID.Inst)) {
       std::string FunctionName = *ID.CalleeName;
-      return llvm::hash_combine(
-          llvm::hash_value(ID.Inst->getOpcode()),
-          llvm::hash_value(ID.Inst->getType()),
-          llvm::hash_value(ID.Inst->getType()), llvm::hash_value(FunctionName),
-          llvm::hash_combine_range(OperTypes.begin(), OperTypes.end()));
+      return llvm::hash_combine(llvm::hash_value(ID.Inst->getOpcode()),
+                                llvm::hash_value(ID.Inst->getType()),
+                                llvm::hash_value(ID.Inst->getType()),
+                                llvm::hash_value(FunctionName),
+                                llvm::hash_combine_range(OperTypes));
     }
 
-    return llvm::hash_combine(
-        llvm::hash_value(ID.Inst->getOpcode()),
-        llvm::hash_value(ID.Inst->getType()),
-        llvm::hash_combine_range(OperTypes.begin(), OperTypes.end()));
+    return llvm::hash_combine(llvm::hash_value(ID.Inst->getOpcode()),
+                              llvm::hash_value(ID.Inst->getType()),
+                              llvm::hash_combine_range(OperTypes));
   }
 
   IRInstructionDataList *IDL = nullptr;

diff --git a/llvm/include/llvm/ProfileData/SampleProf.h b/llvm/include/llvm/ProfileData/SampleProf.h
@@ -506,7 +506,7 @@ using SampleContextFrames = ArrayRef<SampleContextFrame>;
 
 struct SampleContextFrameHash {
   uint64_t operator()(const SampleContextFrameVector &S) const {
-    return hash_combine_range(S.begin(), S.end());
+    return hash_combine_range(S);
   }
 };
 

diff --git a/llvm/include/llvm/Transforms/IPO/FunctionSpecialization.h b/llvm/include/llvm/Transforms/IPO/FunctionSpecialization.h
@@ -119,8 +119,7 @@ struct SpecSig {
   }
 
   friend hash_code hash_value(const SpecSig &S) {
-    return hash_combine(hash_value(S.Key),
-                        hash_combine_range(S.Args.begin(), S.Args.end()));
+    return hash_combine(hash_value(S.Key), hash_combine_range(S.Args));
   }
 };
 

diff --git a/llvm/lib/CodeGen/MIRVRegNamerUtils.cpp b/llvm/lib/CodeGen/MIRVRegNamerUtils.cpp
@@ -131,7 +131,7 @@ std::string VRegRenamer::getInstructionOpcodeHash(MachineInstr &MI) {
     MIOperands.push_back((unsigned)Op->getFailureOrdering());
   }
 
-  auto HashMI = hash_combine_range(MIOperands.begin(), MIOperands.end());
+  auto HashMI = hash_combine_range(MIOperands);
   OS << format_hex_no_prefix(HashMI, 16, true);
   return OS.str();
 }

diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -2306,7 +2306,7 @@ MachineInstrExpressionTrait::getHashValue(const MachineInstr* const &MI) {
 
     HashComponents.push_back(hash_value(MO));
   }
-  return hash_combine_range(HashComponents.begin(), HashComponents.end());
+  return hash_combine_range(HashComponents);
 }
 
 const MDNode *MachineInstr::getLocCookieMD() const {

diff --git a/llvm/lib/CodeGen/RegisterBankInfo.cpp b/llvm/lib/CodeGen/RegisterBankInfo.cpp
@@ -307,7 +307,7 @@ hashValueMapping(const RegisterBankInfo::PartialMapping *BreakDown,
   SmallVector<size_t, 8> Hashes(NumBreakDowns);
   for (unsigned Idx = 0; Idx != NumBreakDowns; ++Idx)
     Hashes.push_back(hash_value(BreakDown[Idx]));
-  return hash_combine_range(Hashes.begin(), Hashes.end());
+  return hash_combine_range(Hashes);
 }
 
 const RegisterBankInfo::ValueMapping &

diff --git a/llvm/lib/ExecutionEngine/Orc/IRPartitionLayer.cpp b/llvm/lib/ExecutionEngine/Orc/IRPartitionLayer.cpp
@@ -268,7 +268,7 @@ void IRPartitionLayer::emitPartition(
       for (const auto *GV : HashGVs) {
         assert(GV->hasName() && "All GVs to extract should be named by now");
         auto GVName = GV->getName();
-        HC = hash_combine(HC, hash_combine_range(GVName.begin(), GVName.end()));
+        HC = hash_combine(HC, hash_combine_range(GVName));
       }
       raw_string_ostream(SubModuleName)
           << ".submodule."

diff --git a/llvm/lib/IR/ConstantsContext.h b/llvm/lib/IR/ConstantsContext.h
@@ -322,9 +322,7 @@ template <class ConstantClass> struct ConstantAggrKeyType {
     return true;
   }
 
-  unsigned getHash() const {
-    return hash_combine_range(Operands.begin(), Operands.end());
-  }
+  unsigned getHash() const { return hash_combine_range(Operands); }
 
   using TypeClass = typename ConstantInfo<ConstantClass>::TypeClass;
 
@@ -478,10 +476,8 @@ struct ConstantExprKeyType {
   }
 
   unsigned getHash() const {
-    return hash_combine(
-        Opcode, SubclassOptionalData,
-        hash_combine_range(Ops.begin(), Ops.end()),
-        hash_combine_range(ShuffleMask.begin(), ShuffleMask.end()), ExplicitTy);
+    return hash_combine(Opcode, SubclassOptionalData, hash_combine_range(Ops),
+                        hash_combine_range(ShuffleMask), ExplicitTy);
   }
 
   using TypeClass = ConstantInfo<ConstantExpr>::TypeClass;
@@ -537,9 +533,7 @@ struct ConstantPtrAuthKeyType {
     return true;
   }
 
-  unsigned getHash() const {
-    return hash_combine_range(Operands.begin(), Operands.end());
-  }
+  unsigned getHash() const { return hash_combine_range(Operands); }
 
   using TypeClass = typename ConstantInfo<ConstantPtrAuth>::TypeClass;
 

diff --git a/llvm/lib/IR/LLVMContextImpl.cpp b/llvm/lib/IR/LLVMContextImpl.cpp
@@ -207,7 +207,7 @@ unsigned MDNodeOpsKey::calculateHash(MDNode *N, unsigned Offset) {
 }
 
 unsigned MDNodeOpsKey::calculateHash(ArrayRef<Metadata *> Ops) {
-  return hash_combine_range(Ops.begin(), Ops.end());
+  return hash_combine_range(Ops);
 }
 
 StringMapEntry<uint32_t> *LLVMContextImpl::getOrInsertBundleTag(StringRef Tag) {

diff --git a/llvm/lib/IR/LLVMContextImpl.h b/llvm/lib/IR/LLVMContextImpl.h
@@ -119,8 +119,7 @@ struct AnonStructTypeKeyInfo {
   }
 
   static unsigned getHashValue(const KeyTy &Key) {
-    return hash_combine(
-        hash_combine_range(Key.ETypes.begin(), Key.ETypes.end()), Key.isPacked);
+    return hash_combine(hash_combine_range(Key.ETypes), Key.isPacked);
   }
 
   static unsigned getHashValue(const StructType *ST) {
@@ -171,9 +170,8 @@ struct FunctionTypeKeyInfo {
   }
 
   static unsigned getHashValue(const KeyTy &Key) {
-    return hash_combine(
-        Key.ReturnType,
-        hash_combine_range(Key.Params.begin(), Key.Params.end()), Key.isVarArg);
+    return hash_combine(Key.ReturnType, hash_combine_range(Key.Params),
+                        Key.isVarArg);
   }
 
   static unsigned getHashValue(const FunctionType *FT) {
@@ -219,10 +217,8 @@ struct TargetExtTypeKeyInfo {
   }
 
   static unsigned getHashValue(const KeyTy &Key) {
-    return hash_combine(
-        Key.Name,
-        hash_combine_range(Key.TypeParams.begin(), Key.TypeParams.end()),
-        hash_combine_range(Key.IntParams.begin(), Key.IntParams.end()));
+    return hash_combine(Key.Name, hash_combine_range(Key.TypeParams),
+                        hash_combine_range(Key.IntParams));
   }
 
   static unsigned getHashValue(const TargetExtType *FT) {
@@ -1324,9 +1320,7 @@ template <> struct MDNodeKeyImpl<DIExpression> {
     return Elements == RHS->getElements();
   }
 
-  unsigned getHashValue() const {
-    return hash_combine_range(Elements.begin(), Elements.end());
-  }
+  unsigned getHashValue() const { return hash_combine_range(Elements); }
 };
 
 template <> struct MDNodeKeyImpl<DIGlobalVariableExpression> {
@@ -1463,9 +1457,7 @@ struct DIArgListKeyInfo {
 
   bool isKeyOf(const DIArgList *RHS) const { return Args == RHS->getArgs(); }
 
-  unsigned getHashValue() const {
-    return hash_combine_range(Args.begin(), Args.end());
-  }
+  unsigned getHashValue() const { return hash_combine_range(Args); }
 };
 
 /// DenseMapInfo for DIArgList.

diff --git a/llvm/lib/Linker/IRMover.cpp b/llvm/lib/Linker/IRMover.cpp
@@ -1689,8 +1689,7 @@ StructType *IRMover::StructTypeKeyInfo::getTombstoneKey() {
 }
 
 unsigned IRMover::StructTypeKeyInfo::getHashValue(const KeyTy &Key) {
-  return hash_combine(hash_combine_range(Key.ETypes.begin(), Key.ETypes.end()),
-                      Key.IsPacked);
+  return hash_combine(hash_combine_range(Key.ETypes), Key.IsPacked);
 }
 
 unsigned IRMover::StructTypeKeyInfo::getHashValue(const StructType *ST) {

diff --git a/llvm/lib/Support/StringRef.cpp b/llvm/lib/Support/StringRef.cpp
@@ -613,9 +613,7 @@ bool StringRef::getAsDouble(double &Result, bool AllowInexact) const {
 }
 
 // Implementation of StringRef hashing.
-hash_code llvm::hash_value(StringRef S) {
-  return hash_combine_range(S.begin(), S.end());
-}
+hash_code llvm::hash_value(StringRef S) { return hash_combine_range(S); }
 
 unsigned DenseMapInfo<StringRef, void>::getHashValue(StringRef Val) {
   assert(Val.data() != getEmptyKey().data() &&

diff --git a/llvm/lib/Transforms/IPO/IROutliner.cpp b/llvm/lib/Transforms/IPO/IROutliner.cpp
@@ -1154,9 +1154,9 @@ using PHINodeData = std::pair<ArgLocWithBBCanon, CanonList>;
 /// \param PND - The data to hash.
 /// \returns The hash code of \p PND.
 static hash_code encodePHINodeData(PHINodeData &PND) {
-  return llvm::hash_combine(
-      llvm::hash_value(PND.first.first), llvm::hash_value(PND.first.second),
-      llvm::hash_combine_range(PND.second.begin(), PND.second.end()));
+  return llvm::hash_combine(llvm::hash_value(PND.first.first),
+                            llvm::hash_value(PND.first.second),
+                            llvm::hash_combine_range(PND.second));
 }
 
 /// Create a special GVN for PHINodes that will be used outside of

diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -165,9 +165,8 @@ struct llvm::GVNPass::Expression {
   }
 
   friend hash_code hash_value(const Expression &Value) {
-    return hash_combine(
-        Value.Opcode, Value.Ty,
-        hash_combine_range(Value.VarArgs.begin(), Value.VarArgs.end()));
+    return hash_combine(Value.Opcode, Value.Ty,
+                        hash_combine_range(Value.VarArgs));
   }
 };
 

diff --git a/llvm/lib/Transforms/Scalar/GVNSink.cpp b/llvm/lib/Transforms/Scalar/GVNSink.cpp
@@ -249,7 +249,7 @@ class ModelledPHI {
   // Hash functor
   unsigned hash() const {
     // Is deterministic because Values are saved in a specific order.
-    return (unsigned)hash_combine_range(Values.begin(), Values.end());
+    return (unsigned)hash_combine_range(Values);
   }
 
   bool operator==(const ModelledPHI &Other) const {

diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -1291,7 +1291,7 @@ struct UniquifierDenseMapInfo {
   }
 
   static unsigned getHashValue(const SmallVector<const SCEV *, 4> &V) {
-    return static_cast<unsigned>(hash_combine_range(V.begin(), V.end()));
+    return static_cast<unsigned>(hash_combine_range(V));
   }
 
   static bool isEqual(const SmallVector<const SCEV *, 4> &LHS,

diff --git a/llvm/lib/Transforms/Utils/LoopRotationUtils.cpp b/llvm/lib/Transforms/Utils/LoopRotationUtils.cpp
@@ -553,8 +553,7 @@ bool LoopRotate::rotateLoop(Loop *L, bool SimplifiedLatch) {
         std::pair<std::pair<hash_code, DILocalVariable *>, DIExpression *>;
     auto makeHash = [](auto *D) -> DbgIntrinsicHash {
       auto VarLocOps = D->location_ops();
-      return {{hash_combine_range(VarLocOps.begin(), VarLocOps.end()),
-               D->getVariable()},
+      return {{hash_combine_range(VarLocOps), D->getVariable()},
               D->getExpression()};
     };
 

diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -7469,8 +7469,7 @@ template <> struct DenseMapInfo<const SwitchSuccWrapper *> {
     for (PHINode &Phi : BB->phis())
       PhiValsForBB.emplace_back((*SSW->PhiPredIVs)[&Phi][BB]);
 
-    return hash_combine(
-        BB, hash_combine_range(PhiValsForBB.begin(), PhiValsForBB.end()));
+    return hash_combine(BB, hash_combine_range(PhiValsForBB));
   }
   static bool isEqual(const SwitchSuccWrapper *LHS,
                       const SwitchSuccWrapper *RHS) {

diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -5085,7 +5085,7 @@ class BoUpSLP {
     }
 
     static unsigned getHashValue(const OrdersType &V) {
-      return static_cast<unsigned>(hash_combine_range(V.begin(), V.end()));
+      return static_cast<unsigned>(hash_combine_range(V));
     }
 
     static bool isEqual(const OrdersType &LHS, const OrdersType &RHS) {

diff --git a/llvm/lib/Transforms/Vectorize/VPlanSLP.h b/llvm/lib/Transforms/Vectorize/VPlanSLP.h
@@ -85,7 +85,7 @@ class VPlanSlp {
     }
 
     static unsigned getHashValue(const SmallVector<VPValue *, 4> &V) {
-      return static_cast<unsigned>(hash_combine_range(V.begin(), V.end()));
+      return static_cast<unsigned>(hash_combine_range(V));
     }
 
     static bool isEqual(const SmallVector<VPValue *, 4> &LHS,

diff --git a/llvm/tools/llvm-profgen/PerfReader.h b/llvm/tools/llvm-profgen/PerfReader.h
@@ -386,9 +386,7 @@ struct AddrBasedCtxKey : public ContextKey {
     return Context == Other->Context;
   }
 
-  void genHashCode() override {
-    HashCode = hash_combine_range(Context.begin(), Context.end());
-  }
+  void genHashCode() override { HashCode = hash_combine_range(Context); }
 };
 
 // The counter of branch samples for one function indexed by the branch,