[llvm] Use range-based for loops (NFC) (#105861)

Author: kazutakahirata

llvm/include/llvm/IR/ModuleSummaryIndex.h

@@ -1808,9 +1808,9 @@ class ModuleSummaryIndex {
   /// the ThinLTO backends.
   TypeIdSummary &getOrInsertTypeIdSummary(StringRef TypeId) {
     auto TidIter = TypeIdMap.equal_range(GlobalValue::getGUID(TypeId));
-    for (auto It = TidIter.first; It != TidIter.second; ++It)
-      if (It->second.first == TypeId)
-        return It->second.second;
+    for (auto &[GUID, TypeIdPair] : make_range(TidIter))
+      if (TypeIdPair.first == TypeId)
+        return TypeIdPair.second;
     auto It = TypeIdMap.insert(
         {GlobalValue::getGUID(TypeId), {std::string(TypeId), TypeIdSummary()}});
     return It->second.second;
@@ -1820,9 +1820,9 @@ class ModuleSummaryIndex {
   /// summary map) or null (if not present). This may be used when importing.
   const TypeIdSummary *getTypeIdSummary(StringRef TypeId) const {
     auto TidIter = TypeIdMap.equal_range(GlobalValue::getGUID(TypeId));
-    for (auto It = TidIter.first; It != TidIter.second; ++It)
-      if (It->second.first == TypeId)
-        return &It->second.second;
+    for (const auto &[GUID, TypeIdPair] : make_range(TidIter))
+      if (TypeIdPair.first == TypeId)
+        return &TypeIdPair.second;
     return nullptr;
   }
 

llvm/lib/Bitcode/Writer/BitcodeWriter.cpp

@@ -4807,9 +4807,9 @@ void IndexBitcodeWriter::writeCombinedGlobalValueSummary() {
   // corresponding type id records.
   for (auto &T : ReferencedTypeIds) {
     auto TidIter = Index.typeIds().equal_range(T);
-    for (auto It = TidIter.first; It != TidIter.second; ++It) {
-      writeTypeIdSummaryRecord(NameVals, StrtabBuilder, It->second.first,
-                               It->second.second);
+    for (const auto &[GUID, TypeIdPair] : make_range(TidIter)) {
+      writeTypeIdSummaryRecord(NameVals, StrtabBuilder, TypeIdPair.first,
+                               TypeIdPair.second);
       Stream.EmitRecord(bitc::FS_TYPE_ID, NameVals);
       NameVals.clear();
     }

llvm/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp

@@ -1312,7 +1312,7 @@ void VarLocBasedLDV::cleanupEntryValueTransfers(
     return;
 
   auto TransRange = EntryValTransfers.equal_range(TRInst);
-  for (auto &TDPair : llvm::make_range(TransRange.first, TransRange.second)) {
+  for (auto &TDPair : llvm::make_range(TransRange)) {
     const VarLoc &EmittedEV = VarLocIDs[TDPair.second];
     if (std::tie(EntryVL.Var, EntryVL.Locs[0].Value.RegNo, EntryVL.Expr) ==
         std::tie(EmittedEV.Var, EmittedEV.Locs[0].Value.RegNo,

llvm/lib/IR/AsmWriter.cpp

@@ -3488,9 +3488,9 @@ void AssemblyWriter::printTypeIdInfo(
         continue;
       }
       // Print all type id that correspond to this GUID.
-      for (auto It = TidIter.first; It != TidIter.second; ++It) {
+      for (const auto &[GUID, TypeIdPair] : make_range(TidIter)) {
         Out << FS;
-        auto Slot = Machine.getTypeIdSlot(It->second.first);
+        auto Slot = Machine.getTypeIdSlot(TypeIdPair.first);
         assert(Slot != -1);
         Out << "^" << Slot;
       }
@@ -3529,10 +3529,10 @@ void AssemblyWriter::printVFuncId(const FunctionSummary::VFuncId VFId) {
   }
   // Print all type id that correspond to this GUID.
   FieldSeparator FS;
-  for (auto It = TidIter.first; It != TidIter.second; ++It) {
+  for (const auto &[GUID, TypeIdPair] : make_range(TidIter)) {
     Out << FS;
     Out << "vFuncId: (";
-    auto Slot = Machine.getTypeIdSlot(It->second.first);
+    auto Slot = Machine.getTypeIdSlot(TypeIdPair.first);
     assert(Slot != -1);
     Out << "^" << Slot;
     Out << ", offset: " << VFId.Offset;

llvm/tools/llvm-profgen/ProfiledBinary.cpp

@@ -423,8 +423,8 @@ void ProfiledBinary::decodePseudoProbe(const ELFObjectFileBase *Obj) {
       GuidFilter.insert(Function::getGUID(F->FuncName));
       for (auto &Range : F->Ranges) {
         auto GUIDs = StartAddrToSymMap.equal_range(Range.first);
-        for (auto I = GUIDs.first; I != GUIDs.second; ++I)
-          FuncStartAddresses[I->second] = I->first;
+        for (const auto &[StartAddr, Func] : make_range(GUIDs))
+          FuncStartAddresses[Func] = StartAddr;
       }
     }
   }