diff --git a/lldb/source/Plugins/Process/Linux/Perf.cpp b/lldb/source/Plugins/Process/Linux/Perf.cpp
@@ -228,7 +228,7 @@ Expected<std::vector<uint8_t>> PerfEvent::GetReadOnlyDataBuffer() {
     uint64_t actual_data_head = data_head % data_size;
     // The buffer has wrapped, so we first the oldest chunk of data
     output.insert(output.end(), data.begin() + actual_data_head, data.end());
-    // And we we read the most recent chunk of data
+    // And we read the most recent chunk of data
     output.insert(output.end(), data.begin(), data.begin() + actual_data_head);
   } else {
     // There's been no wrapping, so we just read linearly

diff --git a/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp b/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp
@@ -131,7 +131,7 @@ lldb::addr_t ProcessElfCore::AddAddressRangeFromLoadSegment(
       m_core_aranges.Append(range_entry);
     }
   }
-  // Keep a separate map of permissions that that isn't coalesced so all ranges
+  // Keep a separate map of permissions that isn't coalesced so all ranges
   // are maintained.
   const uint32_t permissions =
       ((header.p_flags & llvm::ELF::PF_R) ? lldb::ePermissionsReadable : 0u) |

diff --git a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
@@ -2089,7 +2089,7 @@ StateType ProcessGDBRemote::SetThreadStopInfo(StringExtractor &stop_packet) {
   switch (stop_type) {
   case 'T':
   case 'S': {
-    // This is a bit of a hack, but is is required. If we did exec, we need to
+    // This is a bit of a hack, but it is required. If we did exec, we need to
     // clear our thread lists and also know to rebuild our dynamic register
     // info before we lookup and threads and populate the expedited register
     // values so we need to know this right away so we can cleanup and update

diff --git a/lldb/source/Plugins/Process/minidump/RegisterContextMinidump_x86_32.h b/lldb/source/Plugins/Process/minidump/RegisterContextMinidump_x86_32.h
@@ -99,7 +99,7 @@ struct MinidumpContext_x86_32 {
 
   // The next field is included with
   // MinidumpContext_x86_32_Flags::ExtendedRegisters
-  // It contains vector (MMX/SSE) registers.  It it laid out in the
+  // It contains vector (MMX/SSE) registers.  It is laid out in the
   // format used by the fxsave and fsrstor instructions, so it includes
   // a copy of the x87 floating-point registers as well.  See FXSAVE in
   // "Intel Architecture Software Developer's Manual, Volume 2."

diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.cpp b/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.cpp
@@ -1344,7 +1344,7 @@ llvm::Expected<FileSP> PythonFile::ConvertToFile(bool borrowed) {
 
   FileSP file_sp;
   if (borrowed) {
-    // In this case we we don't need to retain the python
+    // In this case we don't need to retain the python
     // object at all.
     file_sp = std::make_shared<NativeFile>(fd, options.get(), false);
   } else {

diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
@@ -1023,7 +1023,7 @@ TypeSP DWARFASTParserClang::ParseSubroutine(const DWARFDIE &die,
           }
         }
       } else if (is_cxx_method) {
-        // Look at the parent of this DIE and see if is is a class or
+        // Look at the parent of this DIE and see if it is a class or
         // struct and see if this is actually a C++ method
         Type *class_type = dwarf->ResolveType(decl_ctx_die);
         if (class_type) {
@@ -3093,7 +3093,7 @@ void DWARFASTParserClang::ParseSingleMember(
   // in our AST. Clang will re-create those articial members and they would
   // otherwise just overlap in the layout with the FieldDecls we add here.
   // This needs to be done after updating FieldInfo which keeps track of where
-  // field start/end so we don't later try to fill the the space of this
+  // field start/end so we don't later try to fill the space of this
   // artificial member with (unnamed bitfield) padding.
   // FIXME: This check should verify that this is indeed an artificial member
   // we are supposed to ignore.
@@ -3727,7 +3727,7 @@ bool DWARFASTParserClang::CopyUniqueClassMethodTypes(
     // Make sure this is a declaration and not a concrete instance by looking
     // for DW_AT_declaration set to 1. Sometimes concrete function instances are
     // placed inside the class definitions and shouldn't be included in the list
-    // of things are are tracking here.
+    // of things that are tracking here.
     if (die.GetAttributeValueAsUnsigned(DW_AT_declaration, 0) != 1)
       return;
 

diff --git a/lldb/source/Plugins/SymbolFile/DWARF/ManualDWARFIndex.cpp b/lldb/source/Plugins/SymbolFile/DWARF/ManualDWARFIndex.cpp
@@ -654,7 +654,7 @@ void ManualDWARFIndex::IndexSet::Encode(DataEncoder &encoder) const {
 
   // Now that all strings have been gathered, we will emit the string table.
   strtab.Encode(encoder);
-  // Followed the the symbol table data.
+  // Followed by the symbol table data.
   encoder.AppendData(index_encoder.GetData());
 }
 

diff --git a/lldb/source/Plugins/Trace/intel-pt/TraceIntelPTBundleLoader.cpp b/lldb/source/Plugins/Trace/intel-pt/TraceIntelPTBundleLoader.cpp
@@ -285,7 +285,7 @@ StringRef TraceIntelPTBundleLoader::GetSchema() {
   "tscPerfZeroConversion"?: {
     // Values used to convert between TSCs and nanoseconds. See the time_zero
     // section in https://man7.org/linux/man-pages/man2/perf_event_open.2.html
-    // for for information.
+    // for information.
 
     "timeMult": integer,
     "timeShift": integer,

diff --git a/lldb/source/Symbol/LineTable.cpp b/lldb/source/Symbol/LineTable.cpp
@@ -89,7 +89,7 @@ void LineTable::AppendLineEntryToSequence(
   if (!entries.empty() && entries.back().file_addr == file_addr) {
     // GCC don't use the is_prologue_end flag to mark the first instruction
     // after the prologue.
-    // Instead of it it is issuing a line table entry for the first instruction
+    // Instead of it is issuing a line table entry for the first instruction
     // of the prologue and one for the first instruction after the prologue. If
     // the size of the prologue is 0 instruction then the 2 line entry will
     // have the same file address. Removing it will remove our ability to

diff --git a/lldb/source/Symbol/Symtab.cpp b/lldb/source/Symbol/Symtab.cpp
@@ -1286,7 +1286,7 @@ bool Symtab::Encode(DataEncoder &encoder) const {
 
   // Now that all strings have been gathered, we will emit the string table.
   strtab.Encode(encoder);
-  // Followed the the symbol table data.
+  // Followed by the symbol table data.
   encoder.AppendData(symtab_encoder.GetData());
   return true;
 }

diff --git a/lldb/source/Target/RegisterContextUnwind.cpp b/lldb/source/Target/RegisterContextUnwind.cpp
@@ -712,7 +712,7 @@ bool RegisterContextUnwind::CheckIfLoopingStack() {
   // frames with the same
   // CFA (in theory we
   // can have arbitrary number of frames with the same CFA, but more then 2 is
-  // very very unlikely)
+  // very unlikely)
 
   RegisterContextUnwind::SharedPtr next_frame = GetNextFrame();
   if (next_frame) {

diff --git a/lldb/source/Target/Target.cpp b/lldb/source/Target/Target.cpp
@@ -1813,7 +1813,7 @@ size_t Target::ReadMemory(const Address &addr, void *dst, size_t dst_len,
     } else {
       // We have at least one section loaded. This can be because we have
       // manually loaded some sections with "target modules load ..." or
-      // because we have have a live process that has sections loaded through
+      // because we have a live process that has sections loaded through
       // the dynamic loader
       load_addr =
           fixed_addr.GetOffset(); // "fixed_addr" doesn't have a section, so
@@ -2096,7 +2096,7 @@ bool Target::ReadPointerFromMemory(const Address &addr, Status &error,
       } else {
         // We have at least one section loaded. This can be because we have
         // manually loaded some sections with "target modules load ..." or
-        // because we have have a live process that has sections loaded through
+        // because we have a live process that has sections loaded through
         // the dynamic loader
         section_load_list.ResolveLoadAddress(pointer_vm_addr, pointer_addr);
       }

diff --git a/lldb/source/Utility/Args.cpp b/lldb/source/Utility/Args.cpp
@@ -25,7 +25,7 @@ static llvm::StringRef ParseDoubleQuotes(llvm::StringRef quoted,
   // Inside double quotes, '\' and '"' are special.
   static const char *k_escapable_characters = "\"\\";
   while (true) {
-    // Skip over over regular characters and append them.
+    // Skip over regular characters and append them.
     size_t regular = quoted.find_first_of(k_escapable_characters);
     result += quoted.substr(0, regular);
     quoted = quoted.substr(regular);
@@ -93,7 +93,7 @@ ParseSingleArgument(llvm::StringRef command) {
 
   bool arg_complete = false;
   do {
-    // Skip over over regular characters and append them.
+    // Skip over regular characters and append them.
     size_t regular = command.find_first_of(" \t\r\"'`\\");
     arg += command.substr(0, regular);
     command = command.substr(regular);

diff --git a/lldb/tools/debugserver/source/MacOSX/MachTask.mm b/lldb/tools/debugserver/source/MacOSX/MachTask.mm
@@ -670,7 +670,7 @@ static void get_threads_profile_data(DNBProfileDataScanType scanType,
 
   err = RestoreExceptionPortInfo();
 
-  // NULL our our exception port and let our exception thread exit
+  // NULL our exception port and let our exception thread exit
   mach_port_t exception_port = m_exception_port;
   m_exception_port = 0;
 

diff --git a/lldb/tools/lldb-vscode/JSONUtils.cpp b/lldb/tools/lldb-vscode/JSONUtils.cpp
@@ -1013,7 +1013,7 @@ llvm::json::Value CreateVariable(lldb::SBValue v, int64_t variablesReference,
   SetValueForKey(v, object, "value");
   auto type_obj = v.GetType();
   auto type_cstr = type_obj.GetDisplayTypeName();
-  // If we have a type with many many children, we would like to be able to
+  // If we have a type with many children, we would like to be able to
   // give a hint to the IDE that the type has indexed children so that the
   // request can be broken up in grabbing only a few children at a time. We want
   // to be careful and only call "v.GetNumChildren()" if we have an array type

diff --git a/lldb/tools/lldb-vscode/lldb-vscode.cpp b/lldb/tools/lldb-vscode/lldb-vscode.cpp
@@ -1738,7 +1738,7 @@ lldb::SBError LaunchProcess(const llvm::json::Object &request) {
     // selected target after these commands are run.
     g_vsc.target = g_vsc.debugger.GetSelectedTarget();
     // Make sure the process is launched and stopped at the entry point before
-    // proceeding as the the launch commands are not run using the synchronous
+    // proceeding as the launch commands are not run using the synchronous
     // mode.
     error = g_vsc.WaitForProcessToStop(timeout_seconds);
   }

diff --git a/lldb/unittests/Interpreter/TestCompletion.cpp b/lldb/unittests/Interpreter/TestCompletion.cpp
@@ -60,7 +60,7 @@ class CompletionTest : public testing::Test {
 
   void SetUp() override {
     // chdir back into the original working dir this test binary started with.
-    // A previous test may have have changed the working dir.
+    // A previous test may have changed the working dir.
     ASSERT_NO_ERROR(fs::set_current_path(OriginalWorkingDir));
 
     // Get the name of the current test. To prevent that by chance two tests

diff --git a/lldb/unittests/Process/gdb-remote/PortMapTest.cpp b/lldb/unittests/Process/gdb-remote/PortMapTest.cpp
@@ -19,7 +19,7 @@ TEST(PortMapTest, Constructors) {
   GDBRemoteCommunicationServerPlatform::PortMap p1;
   ASSERT_TRUE(p1.empty());
 
-  // Empty means no restrictions, return 0 and and bind to get a port
+  // Empty means no restrictions, return 0 and bind to get a port
   llvm::Expected<uint16_t> available_port = p1.GetNextAvailablePort();
   ASSERT_THAT_EXPECTED(available_port, llvm::HasValue(0));
 

diff --git a/llvm/utils/vscode/llvm/language-configuration-tablegen.json b/llvm/utils/vscode/llvm/language-configuration-tablegen.json
@@ -19,7 +19,7 @@
         ["\"", "\""],
         ["'", "'"]
     ],
-    // symbols that that can be used to surround a selection
+    // symbols that can be used to surround a selection
     "surroundingPairs": [
         ["{", "}"],
         ["[", "]"],

diff --git a/openmp/libomptarget/plugins-nextgen/common/PluginInterface/GlobalHandler.cpp b/openmp/libomptarget/plugins-nextgen/common/PluginInterface/GlobalHandler.cpp
@@ -114,7 +114,7 @@ Error GenericGlobalHandlerTy::getGlobalMetadataFromImage(
     return Plugin::error("Unable to create ELF object for image %p",
                          Image.getStart());
 
-  // Search the ELF symbol using the the symbol name.
+  // Search the ELF symbol using the symbol name.
   auto SymOrErr = getELFSymbol(*ELFObj, ImageGlobal.getName());
   if (!SymOrErr)
     return Plugin::error("Failed ELF lookup of global '%s': %s",

diff --git a/openmp/runtime/src/kmp_affinity.cpp b/openmp/runtime/src/kmp_affinity.cpp
@@ -2810,7 +2810,7 @@ static int __kmp_affinity_cmp_ProcCpuInfo_phys_id(const void *a,
 // Set the array sizes for the hierarchy layers
 static void __kmp_dispatch_set_hierarchy_values() {
   // Set the maximum number of L1's to number of cores
-  // Set the maximum number of L2's to to either number of cores / 2 for
+  // Set the maximum number of L2's to either number of cores / 2 for
   // Intel(R) Xeon Phi(TM) coprocessor formally codenamed Knights Landing
   // Or the number of cores for Intel(R) Xeon(R) processors
   // Set the maximum number of NUMA nodes and L3's to number of packages
@@ -3316,7 +3316,7 @@ static bool __kmp_affinity_create_cpuinfo_map(int *line,
         return false;
       }
 
-      // If the thread ids were not specified and we see entries entries that
+      // If the thread ids were not specified and we see entries that
       // are duplicates, start the loop over and assign the thread ids manually.
       assign_thread_ids = true;
       goto restart_radix_check;

diff --git a/openmp/runtime/src/kmp_itt.inl b/openmp/runtime/src/kmp_itt.inl
@@ -438,7 +438,7 @@ void *__kmp_itt_barrier_object(int gtid, int bt, int set_name,
     KMP_BUILD_ASSERT(sizeof(kmp_team_t) >= bs_last_barrier);
     // This condition is a must (we would have zero divide otherwise).
     KMP_BUILD_ASSERT(sizeof(kmp_team_t) >= 2 * bs_last_barrier);
-    // More strong condition: make sure we have room at least for for two
+    // More strong condition: make sure we have room at least for two
     // different ids (for each barrier type).
     object = reinterpret_cast<void *>(
         (kmp_uintptr_t)(team) +

diff --git a/openmp/runtime/src/kmp_lock.cpp b/openmp/runtime/src/kmp_lock.cpp
@@ -3809,7 +3809,7 @@ static kmp_lock_index_t __kmp_lock_table_insert(kmp_user_lock_p lck) {
                sizeof(kmp_user_lock_p) * (__kmp_user_lock_table.used - 1));
     table[0] = (kmp_user_lock_p)__kmp_user_lock_table.table;
     // We cannot free the previous table now, since it may be in use by other
-    // threads. So save the pointer to the previous table in in the first
+    // threads. So save the pointer to the previous table in the first
     // element of the new table. All the tables will be organized into a list,
     // and could be freed when library shutting down.
     __kmp_user_lock_table.table = table;

diff --git a/openmp/runtime/src/kmp_settings.cpp b/openmp/runtime/src/kmp_settings.cpp
@@ -1593,7 +1593,7 @@ static void __kmp_stg_parse_debug(char const *name, char const *value,
 static void __kmp_stg_parse_debug_buf(char const *name, char const *value,
                                       void *data) {
   __kmp_stg_parse_bool(name, value, &__kmp_debug_buf);
-  // !!! TODO: Move buffer initialization of of this file! It may works
+  // !!! TODO: Move buffer initialization of this file! It may works
   // incorrectly if KMP_DEBUG_BUF is parsed before KMP_DEBUG_BUF_LINES or
   // KMP_DEBUG_BUF_CHARS.
   if (__kmp_debug_buf) {

diff --git a/polly/include/polly/ScopInfo.h b/polly/include/polly/ScopInfo.h
@@ -509,7 +509,7 @@ class MemoryAccess final {
   /// Here not all iterations access the same memory location, but iterations
   /// for which j = 0 holds do. After lifting the equality check in ScopBuilder,
   /// subsequent transformations do not only need check if a statement is
-  /// reduction like, but they also need to verify that that the reduction
+  /// reduction like, but they also need to verify that the reduction
   /// property is only exploited for statement instances that load from and
   /// store to the same data location. Doing so at dependence analysis time
   /// could allow us to handle the above example.

diff --git a/polly/lib/Transform/MatmulOptimizer.cpp b/polly/lib/Transform/MatmulOptimizer.cpp
@@ -565,7 +565,7 @@ createMicroKernel(isl::schedule_node Node,
 ///
 /// We create the BLIS macro-kernel by applying a combination of tiling
 /// of dimensions of the band node and interchanging of two innermost
-/// modified dimensions. The values of of MacroKernelParams's fields are used
+/// modified dimensions. The values of MacroKernelParams's fields are used
 /// as tile sizes.
 ///
 /// @param Node The schedule node to be modified.

diff --git a/third-party/benchmark/include/benchmark/benchmark.h b/third-party/benchmark/include/benchmark/benchmark.h
@@ -971,7 +971,7 @@ class Benchmark {
 
   // Have "setup" and/or "teardown" invoked once for every benchmark run.
   // If the benchmark is multi-threaded (will run in k threads concurrently),
-  // the setup callback will be be invoked exactly once (not k times) before
+  // the setup callback will be invoked exactly once (not k times) before
   // each run with k threads. Time allowing (e.g. for a short benchmark), there
   // may be multiple such runs per benchmark, each run with its own
   // "setup"/"teardown".

diff --git a/third-party/benchmark/test/complexity_test.cc b/third-party/benchmark/test/complexity_test.cc
@@ -26,7 +26,7 @@ int AddComplexityTest(const std::string &test_name,
   AddCases(
       TC_ConsoleOut,
       {{"^%bigo_name %bigo_str %bigo_str[ ]*$"},
-       {"^%bigo_name", MR_Not},  // Assert we we didn't only matched a name.
+       {"^%bigo_name", MR_Not},  // Assert we didn't only matched a name.
        {"^%rms_name %rms %rms[ ]*$", MR_Next}});
   AddCases(
       TC_JSONOut,