diff --git a/.github/new-prs-labeler.yml b/.github/new-prs-labeler.yml
index 79bd72c8f6602..bc4a30a4802a7 100644
--- a/.github/new-prs-labeler.yml
+++ b/.github/new-prs-labeler.yml
@@ -1,91 +1,6 @@
-backend:AArch64:
-  - llvm/include/llvm/IR/IntrinsicsAArch64.td
-  - llvm/lib/Target/AArch64/**/*
-  - llvm/test/**/*AArch64/**/*
-  - clang/lib/Basic/Targets/AArch64*
-  - clang/lib/Driver/ToolChains/Arch/AArch64*
-  - clang/lib/CodeGen/Targets/AArch64.cpp
-  - clang/include/clang/Basic/BuiltinsAArch64*
-
-backend:ARM:
-  - llvm/include/llvm/IR/IntrinsicsARM.td
-  - llvm/lib/Target/ARM/**/*
-  - llvm/test/**/*ARM/**/*
-  - clang/lib/Basic/Targets/ARM*
-  - clang/lib/Driver/ToolChains/Arch/ARM*
-  - clang/lib/CodeGen/Targets/ARM.cpp
-  - clang/include/clang/Basic/BuiltinsARM*
-
-backend:DirectX:
-  - llvm/include/llvm/IR/IntrinsicsDirectX.td
-  - llvm/**/Target/DirectX/**/*
-  - llvm/**/dxil-dis/**/*
-  - clang/lib/Basic/Targets/DirectX*
-
-backend:MSP430:
-  - llvm/include/llvm/IR/IntrinsicsMSP430.td
-  - llvm/lib/Target/MSP430/**/*
-  - llvm/test/**/MSP430/**/*
-  - clang/lib/Basic/Targets/MSP430*
-  - clang/lib/Driver/ToolChains/Arch/MSP430*
-  - clang/lib/CodeGen/Targets/MSP430.cpp
-  - clang/include/clang/Basic/BuiltinsMSP430*
-
-backend:RISC-V:
-  - llvm/**/*RISCV*/**/*
-  - llvm/**/*risv*/**/*
-  - clang/**/*RISCV*/**/*
-  - clang/**/*risv*/**/*
-
-backend:Sparc:
-  - llvm/include/llvm/IR/IntrinsicsSparc.td
-  - llvm/lib/Target/Sparc/**/*
-  - llvm/test/**/Sparc/**/*
-  - clang/lib/Basic/Targets/Sparc*
-  - clang/lib/Driver/ToolChains/Arch/Sparc*
-  - clang/lib/CodeGen/Targets/Sparc.cpp
-  - clang/include/clang/Basic/BuiltinsSparc*
-
-backend:X86:
-  - llvm/include/llvm/IR/IntrinsicsX86.td
-  - llvm/include/llvm/Support/X86DisassemblerDecoderCommon.h
-  - llvm/include/llvm/TargetParser/X86*
-  - llvm/lib/TargetParser/X86*
-  - llvm/**/**/X86/**/*
-  - llvm/utils/TableGen/X86*
-  - clang/lib/Basic/Targets/X86/**/*
-  - clang/lib/Driver/ToolChains/Arch/X86.*
-  - clang/lib/CodeGen/Targets/X86.*
-  - clang/test/CodeGen/X86/**/*
-  - clang/include/clang/Basic/BuiltinsX86*
-
-backend:loongarch:
-  - llvm/include/llvm/IR/IntrinsicsLoongArch.td
-  - llvm/lib/Target/LoongArch/**/*
-  - llvm/test/**/LoongArch/**/*
-  - clang/lib/Basic/Targets/LoongArch*
-  - clang/lib/Driver/ToolChains/Arch/LoongArch*
-  - clang/lib/CodeGen/Targets/LoongArch.cpp
-  - clang/include/clang/Basic/BuiltinsLoongArch*
-
-clang-format:
-  - clang/**/Format/**/*
-  - clang/tools/clang-format/**/*
-
-clang-tidy:
-  - clang-tools-extra/**/clang-tidy/**/*
-  - clang-tools-extra/clang-tidy/**/*
-
-clang:codegen:
-  - clang/lib/CodeGen/**/*
-  - clang/include/clang/CodeGen/**/*
-
 clang:dataflow:
   - clang/**/Analysis/**/*
 
-clang:driver:
-  - clang/**/Driver/**/*
-
 clang:frontend:
   - clang/lib/AST/**/*
   - clang/include/clang/AST/**/*
@@ -108,130 +23,43 @@ clang:static analyzer:
   - clang/utils/analyzer/**/*
   - clang/docs/analyzer/**/*
 
-clangd:
-  - clang-tools-extra/clangd/**/*
-
 compiler-rt:
   - compiler-rt/**/*
 
-coroutines:
-  - '**/*Coroutine*'
-  - '**/*Coroutine*/**/*'
-
 flang:
   - flang/**/*
 
-flang:driver:
-  - flang/tools/flang-driver/**/*
-  - flang/test/Driver/**/*
-
 flang:frontend:
   - flang/Parser/**/*
   - flang/Evaluate/**/*
   - flang/Semantics/**/*
 
-flang:runtime:
-  - flang/runtime/**/*
-
 HLSL:
   - clang/*HLSL*/**/*
   - clang/**/*HLSL*
   - llvm/**/Frontend/HLSL/**/*
 
-libc:
-  - libc/**/*
-  - utils/bazel/llvm-project-overlay/libc/**/*
-
 libc++:
   - libcxx/**/*
 
 libc++-abi:
   - libcxxabi/**/*
 
-libunwind:
-  - libunwind/**/*
-
 lld:
   - lld/**/*
 
-lldb:
-  - lldb/**/*
-
 llvm-lit:
   - llvm/utils/lit/**/*
 
-llvm:SelectionDAGP:
-  - llvm/include/llvm/CodeGen/DAGCombine.h
-  - llvm/include/llvm/CodeGen/ISDOpcodes.h
-  - llvm/include/llvm/CodeGen/SelectionDAG*.h
-  - llvm/include/llvm/CodeGen/SDNodeProperties.td
-  - llvm/include/llvm/Target/TargetSelectionDAG.td
-  - llvm/lib/CodeGen/SelectionDAG/**/*
-  - llvm/utils/TableGen/CodeGenDAG*
-  - llvm/utils/TableGen/DAGISel*
-
-llvm:globalisel:
-  - llvm/**/GlobalISel/**/*
-  - llvm/utils/TableGen/GlobalISelEmitter.cpp
-  - llvm/utils/TableGen/GICombinerEmitter.cpp
-
-LTO:
-  - llvm/**/LTO/**
-  - llvm/**/ThinLTO/**
-
 mc:
   - llvm/**/MC/**
 
-mlir:
-  - mlir/**
-
 mlir:afine:
   - mlir/**/Affine/**/*
 
-mlir:bufferization:
-  - mlir/**/Bufferization/**/*
-
-mlir:complex:
-  - mlir/**/Complex/**/*
-
-mlir:core:
-  - mlir/**/AsmParser/**/*
-  - mlir/**/Bytecode/**/*
-  - mlir/**/Debug/**/*
-  - mlir/**/IR/**/*
-  - mlir/**/Parser/**/*
-  - mlir/**/Pass/**/*
-  - mlir/**/Reducer/**/*
-  - mlir/**/Support/**/*
-  - mlir/**/Transforms/**/*
-  - mlir/**/tools/**/*
-  - mlir/tools/**/*
-
-mlir:gpu:
-  - mlir/**/*GPU*/**/*
-
-mlir:linalg:
-  - mlir/**/Linalg/**/*
-  - mlir/**/linalg/**/*
-
-mlir:llvm:
-  - mlir/**/LLVM/**/*
-
-mlir:memref:
-  - mlir/**/MemRef/**/*
-
 mlir:python:
   - mlir/python/**/*
 
-mlir:scf:
-  - mlir/**/SCF/**/*
-
-mlir:tensor:
-  - mlir/**/Tensor/**/*
-
-mlir:tosa:
-  - mlir/**/Tosa/**/*
-
 mlir:vectorops:
   - mlir/**/Vector/**/*
 
@@ -260,14 +88,641 @@ vectorization:
   - llvm/lib/Transforms/Vectorize/**/*
   - llvm/include/llvm/Transforms/Vectorize/**/*
 
+# IMPORTED FROM CODEOWNERS
+LTO:
+  - /llvm/*/LTO/
+  - /llvm/*/Linker/
+  - /llvm/*/ThinLTO/
+  - /llvm/lib/Transforms/*/FunctionImport*
+  - /llvm/tools/gold/
+
+mc:
+  - /llvm/*/MC/
+
+clang:driver:
+  - /clang/*/Driver/
+
+compiler-rt:sanitizer:
+  - /llvm/lib/Transforms/Instrumentation/*Sanitizer*
+  - /compiler-rt/lib/interception/
+  - /compiler-rt/lib/*san*
+  - /compiler-rt/test/*san*
+  - /compiler-rt/lib/fuzzer/
+  - /compiler-rt/test/fuzzer/
+  - /compiler-rt/lib/scudo/
+  - /compiler-rt/test/scudo/
+
 xray:
-  - llvm/tools/llvm-xray/**
-  - compiler-rt/**/xray/**
-  - clang/include/clang/Basic/XRay*
-  - clang/lib/Basic/XRay*
-  - compiler-rt/**/xray/*
-  - llvm/include/llvm/XRay/*
-  - llvm/lib/XRay/*
-  - llvm/tools/llvm-xray/*
-  - llvm/unittests/XRay/*
-  - compiler-rt/**/xray/*
+  - /llvm/tools/llvm-xray/
+  - /compiler-rt/*/xray/
+  - /clang/include/clang/Basic/XRay*
+  - /clang/lib/Basic/XRay*
+  - /compiler-rt/*/xray/
+  - /llvm/include/llvm/XRay/
+  - /llvm/lib/XRay/
+  - /llvm/tools/llvm-xray/
+  - /llvm/unittests/XRay/
+  - /compiler-rt/*/xray/
+
+clang:codegen:
+  - /clang/lib/CodeGen/**
+  - /clang/include/clang/CodeGen/
+
+mlir:
+  - /mlir/
+
+mlir:core:
+  - /mlir/**/Support/
+  - /mlir/**/Parser/
+  - /mlir/**/IR/
+  - /mlir/**/Bytecode/
+  - /mlir/**/AsmParser/
+  - /mlir/**/Pass/
+  - /mlir/**/tools/
+  - /mlir/**/Reducer/
+  - /mlir/**/Transforms/
+  - /mlir/**/Debug/
+  - /mlir/tools/
+
+mlir:ods:
+  - /mlir/TableGen/
+  - /mlir/tblgen/
+  - /mlir/include/mlir/IR/*.td
+
+mlir:bindings:
+  - /mlir/Bindings/
+
+mlir:gpu:
+  - /mlir/**/*GPU
+
+mlir:amdgpu:
+  - /mlir/**/AMDGPU/
+
+mlir:amx:
+  - /mlir/**/AMX/
+
+mlir:affine:
+  - /mlir/**/Affine/
+
+mlir:arith:
+  - /mlir/**/Arith/
+
+mlir:neon:
+  - /mlir/**/ArmNeon/
+
+mlir:sme:
+  - /mlir/**/ArmSME/
+
+mlir:sve:
+  - /mlir/**/ArmSVE/
+
+mlir:async:
+  - /mlir/**/Async/
+  - /mlir/**/Async/
+
+mlir:bufferization:
+  - /mlir/**/Bufferization/
+
+mlir:complex:
+  - /mlir/**/Complex/
+
+mlir:cf:
+  - /mlir/**/ControlFlow/
+
+mlir:dlti:
+  - /mlir/**/DLTI/
+
+mlir:emitc:
+  - /mlir/**/EmitC/
+
+mlir:func:
+  - /mlir/**/Func/
+
+mlir:irdl:
+  - /mlir/**/IRDL/
+
+mlir:index:
+  - /mlir/**/Index/
+
+mlir:llvm:
+  - /mlir/**/LLVM/
+
+mlir:linalg:
+  - /mlir/**/*linalg
+  - /mlir/**/*Linalg
+
+mlir:mlprogram:
+  - /mlir/**/MLProgram
+
+mlir:math:
+  - /mlir/**/Math/
+
+mlir:memref:
+  - /mlir/**/MemRef/
+
+mlir:nvgpu:
+  - /mlir/**/NVGPU/
+
+mlir:openacc:
+  - /mlir/**/*OpenACC
+
+mlir:openmp:
+  - /mlir/**/*OpenMP
+
+mlir:pdl:
+  - /mlir/**/PDL/
+
+mlir:quant:
+  - /mlir/**/Quant/
+
+mlir:scf:
+  - /mlir/**/SCF/
+
+mlir:spirv:
+  - /mlir/**/SPIRV/
+
+mlir:shape:
+  - /mlir/**/Shape/
+
+mlir:sparse:
+  - /mlir/**/SparseTensor/
+
+mlir:tensor:
+  - /mlir/**/Tensor/
+
+mlir:tosa:
+  - /mlir/**/Tosa/
+
+mlir:ub:
+  - /mlir/**/UB/
+
+mlir:vector:
+  - /mlir/**/*Vector/
+
+mlir:execution-engine:
+  - /mlir/**/ExecutionEngine/
+
+coroutines:
+  - /clang/docs/DebuggingCoroutines.rst
+  - /clang/lib/Sema/SemaCoroutine.cpp
+  - /clang/lib/CodeGen/CGCoroutine.cpp
+  - /clang/test/CodeGenCoroutines/
+  - /llvm/docs/Coroutines.rst
+  - /llvm/include/llvm/Transforms/Coroutines/
+  - /llvm/lib/Transforms/Coroutines/
+  - /llvm/test/Transforms/Coroutines/*
+
+clang:modules:
+  - /clang/docs/StandardCPlusPlusModules.rst
+  - /clang/include/clang/AST/AbstractBasicReader.h
+  - /clang/include/clang/AST/AbstractBasicWriter.h
+  - /clang/include/clang/AST/AbstractTypeReader.h
+  - /clang/include/clang/AST/AbstractTypeWriter.h
+  - /clang/include/clang/AST/PropertiesBase.td
+  - /clang/include/clang/AST/ODRHash.h
+  - /clang/include/clang/AST/TypeProperties.td
+  - /clang/include/clang/Basic/Module.h
+  - /clang/include/clang/Frontend/PrecompiledPreamble.h
+  - /clang/include/clang/Lex/ModuleLoader.h
+  - /clang/include/clang/Lex/ModuleMap.h
+  - /clang/include/clang/Serialization/
+  - /clang/lib/AST/ODRHash.cpp
+  - /clang/lib/AST/StmtProfile.cpp
+  - /clang/lib/Basic/Module.cpp
+  - /clang/lib/Frontend/ModuleDependencyCollector.cpp
+  - /clang/lib/Frontend/PrecompiledPreamble.cpp
+  - /clang/lib/Lex/ModuleMap.cpp
+  - /clang/lib/Sema/SemaModule.cpp
+  - /clang/lib/Serialization/
+  - /clang/test/CXX/module/
+  - /clang/test/Modules/
+  - /clang/unittests/Serialization/*
+
+clang-tidy:
+  - /clang-tools-extra/clang-tidy/
+  - /clang-tools-extra/docs/clang-tidy/
+  - /clang-tools-extra/test/clang-tidy/
+
+tools:llvm-mca:
+  - /llvm/tools/llvm-mca/
+  - /llvm/include/llvm/MCA/
+  - /llvm/lib/MCA/
+
+vectorizers:
+  - /llvm/lib/Transforms/Vectorize/
+  - /llvm/include/llvm/Transforms/Vectorize/
+
+clang:
+  - /clang/
+
+testing-tools:
+  - /llvm/include/llvm/FileCheck/
+  - /llvm/lib/FileCheck/
+  - /llvm/test/FileCheck/
+  - /llvm/unittests/FileCheck/
+  - /llvm/utils/lit/
+  - /llvm/utils/split-file/
+  - /llvm/utils/not/
+  - /llvm/utils/count/
+  - /llvm/utils/FileCheck/
+  - /llvm/docs/CommandGuide/FileCheck.rst
+  - /llvm/docs/CommandGuide/lit.rst
+  - /llvm/docs/TestingGuide.rst
+  - /llvm/test/Other/FileCheck-space.txt
+  - /llvm/utils/UpdateTestChecks/
+  - /llvm/utils/update*_test_checks.py
+
+debuginfo:
+  - /llvm/include/llvm/DebugInfo/
+  - /llvm/lib/DebugInfo/
+  - /llvm/tools/dsymutil/
+  - /llvm/tools/llvm-debuginfo-analyzer/
+  - /llvm/tools/llvm-dwarfdump/
+  - /llvm/tools/llvm-dwarfutil/
+  - /llvm/tools/llvm-dwp/
+  - /llvm/tools/llvm-gsymutil/
+  - /llvm/tools/llvm-pdbutil/
+  - /llvm/tools/llvm-debuginfod/
+  - /llvm/tools/llvm-debuginfod-find/
+  - /llvm/lib/CodeGen/AsmPrinter/
+  - /clang/lib/CodeGen/CGDebugInfo.cpp
+  - /llvm/include/llvm/BinaryFormat/Dwarf.*
+  - /llvm/test/DebugInfo/
+  - /llvm/test/tools/dsymutil/
+  - /llvm/test/tools/llvm-debuginfo-analyzer/
+  - /llvm/test/tools/llvm-debuginfod/
+  - /llvm/test/tools/llvm-debuginfod-find/
+  - /llvm/test/tools/llvm-dwarfdump/
+  - /llvm/test/tools/llvm-dwarfutil/
+  - /llvm/test/tools/llvm-dwp/
+  - /llvm/test/tools/llvm-gsymutil/
+  - /llvm/test/tools/llvm-pdbuti/
+  - /llvm/lib/IR/Debug*.cpp
+  - /llvm/include/llvm/IR/Debug*.h
+
+github:workflow:
+  - /.github/workflows/
+
+flang:driver:
+  - /flang/tools/flang-driver/
+  - /flang/unittests/Frontend/
+  - /flang/lib/FrontendTool/
+  - /flang/lib/Frontend/
+  - /flang/include/flang/Frontend/
+  - /flang/include/flang/FrontendTool/
+  - /flang/test/Driver/
+
+backend:m68k:
+  - /llvm/lib/Target/M68k/
+  - /clang/lib/Basic/Targets/M68k.*
+  - /clang/lib/CodeGen/Targets/M68k.cpp
+  - /llvm/test/CodeGen/M68k/
+  - /llvm/test/MC/Disassembler/M68k/
+  - /llvm/test/MC/M68k/
+
+libc++:
+  - /libcxx/
+  - /runtimes/
+
+libc++abi:
+  - /libcxxabi/
+  - /runtimes/
+
+libunwind:
+  - /libunwind/
+  - /runtimes/
+
+objectyaml:
+  - /llvm/include/llvm/ObjectYAML/
+  - /llvm/lib/ObjectYAML/
+  - /llvm/test/tools/obj2yaml/
+  - /llvm/test/tools/yaml2obj/
+  - /llvm/tools/obj2yaml/
+  - /llvm/tools/yaml2obj/
+
+clang:analysis:
+  - /clang/include/clang/Analysis/
+  - /clang/lib/Analysis/
+
+clang:static analyzer:
+  - /clang/include/clang/StaticAnalyzer/
+  - /clang/lib/StaticAnalyzer/
+  - /clang/tools/scan-build/
+  - /clang/utils/analyzer/
+  - /clang/docs/analyzer/
+
+pgo:
+  - /llvm/lib/Transforms/Instrumentation/CGProfile.cpp
+  - /llvm/lib/Transforms/Instrumentation/ControlHeightReduction.cpp
+  - /llvm/lib/Transforms/Instrumentation/IndirectCallPromotion.cpp
+  - /llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
+  - /llvm/lib/Transforms/Instrumentation/PGO*
+  - /llvm/lib/Transforms/Instrumentation/ValueProfile*
+  - /llvm/test/Instrumentation/InstrProfiling/
+  - /llvm/test/Transforms/PGOProfile/
+  - /compiler-rt/lib/profile/
+  - /compiler-rt/lib/memprof/
+  - /compiler-rt/test/profile/
+  - /compiler-rt/test/memprof/
+  - /llvm/tools/llvm-profdata/
+  - /llvm/tools/llvm-profgen/
+  - /llvm/test/tools/llvm-profdata/
+  - /llvm/test/tools/llvm-profgen/
+  - /llvm/unittests/ProfileData/*
+
+openacc:
+  - /flang/**/OpenACC/
+  - /flang/include/flang/Lower/OpenACC.h
+  - /flang/docs/OpenACC.md
+  - /flang/lib/Parser/openacc-parsers.cpp
+  - /flang/lib/Lower/OpenACC.cpp
+  - /llvm/**/Frontend/OpenACC/
+  - /llvm/unittests/Frontend/OpenACCTest.cpp
+  - /mlir/test/Target/LLVMIR/openacc-llvm.mlir
+  - /mlir/**/*OpenACC/
+
+flang:runtime:
+  - /flang/runtime/
+
+flang:parser:
+  - /flang/**/Parser/
+
+flang:semantics:
+  - /flang/**/Evaluate/
+  - /flang/**/Semantics/
+
+flang:fir-hlfir:
+  - /flang/**/Lower/
+  - /flang/**/Optimizer/
+
+flang:codegen:
+  - flang/**/CodeGen/
+
+llvm:globalisel:
+  - /llvm/**/GlobalISel/
+  - /llvm/utils/TableGen/GlobalISel*
+
+function-specialization:
+  - /llvm/include/llvm/Transforms/Utils/SCCPSolver.h
+  - /llvm/lib/Transforms/Utils/SCCPSolver.cpp
+  - /llvm/include/llvm/Transforms/IPO/FunctionSpecialization.h
+  - /llvm/lib/Transforms/IPO/FunctionSpecialization.cpp
+  - /llvm/test/Transforms/FunctionSpecialization/*
+
+libc:
+  - libc/**
+  - utils/bazel/llvm-project-overlay/libc/**
+
+clang-format:
+  - /clang/**/Format/
+  - /clang/tools/clang-format/
+
+flang:openmp:
+  - /flang/test/**/OpenMP/
+  - /flang/lib/Lower/OpenMP.cpp
+  - /flang/lib/Semantics/resolve-directives.cpp
+  - /flang/lib/Semantics/check-omp-structure.cpp
+  - /flang/lib/Optimizer/Transforms/OMP*
+  - /flang/test/Fir/convert-to-llvm-openmp-and-fir.fir
+  - /flang/test/Lower/OpenMP/
+  - /flang/test/Transforms/omp*
+  - /mlir/**/*OpenMP*
+  - /mlir/test/Target/LLVMIR/openmp*
+  - /llvm/lib/Frontend/OpenMP/
+  - /llvm/include/llvm/Frontend/OpenMP/
+  - /llvm/unittests/Frontend/OpenMP*
+
+llvm:ir:
+  - /llvm/lib/IR/
+  - /llvm/include/llvm/IR/
+  - /llvm/docs/LangRef.rst
+
+llvm:analysis:
+  - /llvm/lib/Analysis/
+  - /llvm/include/llvm/Analysis/
+
+llvm:transforms:
+  - /llvm/lib/Transforms/
+  - /llvm/include/llvm/Transforms/
+
+clangd:
+  - /clang-tools-extra/clangd/
+
+hlsl:
+  - /clang/test/ParserHLSL/
+  - /clang/test/SemaHLSL/
+  - /clang/test/AST/HLSL/
+  - /clang/test/CodeGenHLSL/
+  - /clang/cmake/caches/HLSL.cmake
+  - /clang/include/clang/Basic/HLSL*.h
+  - /clang/include/clang/Sema/HLSL*.h
+  - /clang/docs/HLSL/
+  - /clang/lib/Driver/ToolChains/HLSL*
+  - /clang/lib/Parse/ParseHLSL.cpp
+  - /clang/lib/Sema/HLSLExternalSemaSource.cpp
+  - /clang/lib/Sema/SemaHLSL.cpp
+  - /clang/lib/CodeGen/CGHLSLRuntime.*
+  - /llvm/include/llvm/Frontend/HLSL/
+  - /llvm/lib/Frontend/HLSL/
+
+llvm:SelectionDAG:
+  - /llvm/include/llvm/CodeGen/SelectionDAG*.h
+  - /llvm/include/llvm/CodeGen/SDNodeProperties.td
+  - /llvm/include/llvm/Target/TargetSelectionDAG.td
+  - /llvm/lib/CodeGen/SelectionDAG/
+  - /llvm/utils/TableGen/CodeGenDAG*
+  - /llvm/utils/TableGen/DAGISel*
+  - /llvm/include/llvm/CodeGen/DAGCombine.h
+  - /llvm/include/llvm/CodeGen/ISDOpcodes.h
+
+backend:DirectX:
+  - /llvm/lib/Target/DirectX/
+  - /llvm/test/CodeGen/DirectX/
+  - /llvm/tools/dxil-dis
+  - /llvm/test/tools/dxil-dis
+  - /clang/lib/Basic/Targets/DirectX*
+  - /llvm/include/llvm/IR/IntrinsicsDirectX.td
+
+mlgo:
+  - /llvm/lib/Analysis/ML*
+  - /llvm/include/llvm/Analysis/ML*
+  - /llvm/lib/Analysis/*Runner.cpp
+  - /llvm/include/llvm/Analysis/*Runner.h
+  - /llvm/unittests/Analysis/ML*
+  - /llvm/lib/Analysis/FunctionPropertiesAnalysis.cpp
+  - /llvm/include/llvm/Analysis/FunctionPropertiesAnalysis.h
+  - /llvm/test/Analysis/FunctionPropertiesAnalysis/*
+  - /llvm/unittests/Analysis/FunctionPropertiesAnalysisTest.cpp
+  - /llvm/test/Transforms/inline/ML/
+  - /llvm/lib/CodeGen/ML*
+  - /llvm/unittests/CodeGen/ML*
+  - /llvm/test/CodeGen/MLRegAlloc/
+
+tools:llvm-exegesis:
+  - /llvm/tools/llvm-exegesis/
+  - /llvm/test/tools/llvm-exegesis/
+  - /llvm/unittests/tools/llvm-exegesis/
+
+platform:windows:
+  - /lld/COFF/
+  - /clang/lib/Driver/MSVC.cpp
+  - /clang/lib/Driver/MinGW.cpp
+  - /llvm/lib/DebugInfo/CodeView/
+  - /llvm/lib/DebugInfo/PDB/
+  - /llvm/lib/WindowsDriver/
+  - /llvm/lib/Support/Windows/
+  - /llvm/lib/BinaryFormat/COFF.cpp
+
+llvm:regalloc:
+  - /llvm/**/CodeGen/CalcSpillWeights*
+  - /llvm/**/CodeGen/InlineSpiller*
+  - /llvm/**/CodeGen/InterferenceCache*
+  - /llvm/**/CodeGen/LiveInterval*
+  - /llvm/**/CodeGen/LiveRange*
+  - /llvm/**/CodeGen/LiveReg*
+  - /llvm/**/CodeGen/LiveVariables*
+  - /llvm/**/CodeGen/MachineCopyPropagation*
+  - /llvm/**/CodeGen/PHIElimination*
+  - /llvm/**/CodeGen/ProcessImplicitDefs.cpp
+  - /llvm/**/CodeGen/Register*
+  - /llvm/**/CodeGen/RegUsage*
+  - /llvm/**/CodeGen/RenameIndependentSubregs.cpp
+  - /llvm/**/CodeGen/SlotIndexes.h
+  - /llvm/**/CodeGen/SpillPlacement*
+  - /llvm/**/CodeGen/SplitKit*
+  - /llvm/**/CodeGen/VirtRegMap.h
+  - /llvm/include/PBQP/
+  - /llvm/include/PBQPRAConstraint.h
+  - /llvm/include/llvm/CodeGen/Spiller.h
+  - /llvm/**/*RegAlloc
+
+mlir:presburger:
+  - /mlir/**/*Presburger
+
+lldb:
+  - /lldb/**
+
+backend:AMDGPU:
+  - '**/*amdgpu*'
+  - '**/*AMDGPU*'
+
+backend:RISC-V:
+  - /clang/**/*riscv*
+  - /clang/**/*RISCV*
+  - /llvm/**/*riscv*
+  - /llvm/**/*RISCV*
+
+lld:coff:
+  - /lld/**/COFF/
+  - /lld/Common/
+
+lld:elf:
+  - /lld/**/ELF/
+  - /lld/Common/
+
+lld:macho:
+  - /lld/**/MachO/
+  - /lld/Common/
+
+lld:wasm:
+  - /lld/**/wasm/
+  - /lld/Common/
+
+backend:ARM:
+  - /llvm/include/llvm/IR/IntrinsicsARM.td
+  - /llvm/test/MC/ARM/
+  - /llvm/lib/Target/ARM/
+  - /llvm/test/CodeGen/ARM/
+  - /clang/lib/Basic/Targets/ARM*
+  - /clang/lib/Driver/ToolChains/Arch/ARM.*
+  - /clang/lib/CodeGen/Targets/ARM.cpp
+  - /clang/include/clang/Basic/BuiltinsARM*
+  - /llvm/test/MC/DisasemblerARM/
+
+backend:AArch64:
+  - /llvm/include/llvm/IR/IntrinsicsAArch64.td
+  - /llvm/test/MC/AArch64/
+  - /llvm/lib/Target/AArch64/
+  - /llvm/test/CodeGen/AArch64/
+  - /clang/lib/Basic/Targets/AArch64*
+  - /clang/lib/Driver/ToolChains/Arch/AArch64.*
+  - /clang/lib/CodeGen/Targets/AArch64.cpp
+  - /clang/include/clang/Basic/BuiltinsAArch64*
+  - /llvm/test/MC/Disassembler/AArch64/
+
+backend:loongarch:
+  - /llvm/include/llvm/IR/IntrinsicsLoongArch.td
+  - /llvm/test/MC/LoongArch/
+  - /llvm/lib/Target/LoongArch/
+  - /llvm/test/CodeGen/LoongArch/
+  - /clang/lib/Basic/Targets/LoongArch*
+  - /clang/lib/Driver/ToolChains/Arch/LoongArch.*
+  - /clang/lib/CodeGen/Targets/LoongArch.cpp
+  - /clang/include/clang/Basic/BuiltinsLoongArch*
+
+backend:MSP430:
+  - /llvm/include/llvm/IR/IntrinsicsMSP430.td
+  - /llvm/test/MC/MSP430/
+  - /llvm/lib/Target/MSP430/
+  - /llvm/test/CodeGen/MSP430/
+  - /clang/lib/Basic/Targets/MSP430*
+  - /clang/lib/Driver/ToolChains/Arch/MSP430.*
+  - /clang/lib/CodeGen/Targets/MSP430.cpp
+  - /clang/include/clang/Basic/BuiltinsMSP430*
+  - /llvm/test/MC/Disassembler/MSP430/
+
+backend:Sparc:
+  - /llvm/include/llvm/IR/IntrinsicsSparc.td
+  - /llvm/test/MC/Sparc/
+  - /llvm/lib/Target/Sparc/
+  - /llvm/test/CodeGen/Sparc/
+  - /clang/lib/Basic/Targets/Sparc*
+  - /clang/lib/Driver/ToolChains/Arch/Sparc.*
+  - /clang/lib/CodeGen/Targets/Sparc.cpp
+  - /clang/include/clang/Basic/BuiltinsSparc*
+  - /llvm/test/MC/Disassembler/Sparc/
+
+backend:WebAssembly:
+  - /llvm/lib/Target/WebAssembly/
+  - /llvm/test/CodeGen/WebAssembly/
+  - /clang/lib/Basic/Targets/WebAssembly*
+  - /clang/include/clang/Basic/BuiltinsWebAssembly.def
+  - /clang/include/clang/Basic/WebAssemblyReferenceTypes.def
+  - /clang/lib/CodeGen/Targets/WebAssembly*
+  - /llvm/include/llvm/IR/IntinsicsWebAssembly.td
+  - /llvm/include/llvm/Object/Wasm*
+  - /llvm/lib/CodeGen/AsmPrinter/Wasm*
+  - /llvm/lib/CodeGen/Wasm*
+  - /llvm/lib/MC/MCParser/Wasm*
+  - /llvm/lib/MC/Wasm*
+  - /llvm/lib/ObjCopy/wasm/
+  - /llvm/lib/Object/Wasm*
+  - /clang/lib/Driver/Toolchains/WebAssembly*
+  - /clang/lib/Headers/wasm_simd128.h
+  - /clang/test/CodeGen/WebAssembly/
+  - /clang/test/SemaCXX/*wasm*
+  - /clang/test/Sema/*wasm*
+  - /llvm/include/llvm/BinaryFormat/Wasm.h
+  - /llvm/unittests/Target/WebAssembly/
+  - /llvm/test/DebugInfo/WebAssembly/
+  - /llvm/test/MC/WebAssembly/
+
+backend:X86:
+  - /llvm/include/llvm/IR/IntrinsicsX86.td
+  - /llvm/lib/Target/X86/
+  - /llvm/test/CodeGen/X86/
+  - /llvm/test/MC/X86/
+  - /llvm/test/MC/Disassembler/X86/
+  - /llvm/test/Analysis/CostModel/X86/
+  - /llvm/test/tools/llvm-mca/X86/
+  - /clang/lib/Basic/Targets/X86/
+  - /clang/lib/Driver/ToolChains/Arch/X86.*
+  - /clang/lib/CodeGen/Targets/X86.*
+  - /clang/lib/Headers/
+  - /clang/test/CodeGen/X86/
+  - /clang/include/clang/Basic/BuiltinsX86*
+  - /llvm/include/llvm/Support/X86DisassemblerDecoderCommon.h
+  - /llvm/include/llvm/TargetParser/X86*
+  - /llvm/lib/TargetParser/X86*
+  - /llvm/utils/TableGen/X86*
+
diff --git a/.github/workflows/pr-subscriber.yml b/.github/workflows/pr-subscriber.yml
new file mode 100644
index 0000000000000..af40f836811d6
--- /dev/null
+++ b/.github/workflows/pr-subscriber.yml
@@ -0,0 +1,31 @@
+name: PR Subscriber
+
+on:
+  pull_request:
+    types:
+      - labeled
+
+permissions:
+  contents: read
+
+jobs:
+  auto-subscribe:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup Automation Script
+        run: |
+          curl -O -L https://raw.githubusercontent.com/$GITHUB_REPOSITORY/$GITHUB_SHA/llvm/utils/git/github-automation.py
+          curl -O -L https://raw.githubusercontent.com/$GITHUB_REPOSITORY/$GITHUB_SHA/llvm/utils/git/requirements.txt
+          chmod a+x github-automation.py
+          pip install -r requirements.txt
+
+      - name: Update watchers
+        # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
+        env:
+          LABEL_NAME: ${{ github.event.label.name }}
+        run: |
+          ./github-automation.py \
+          --token '${{ secrets.ISSUE_SUBSCRIBER_TOKEN }}' \
+          pr-subscriber \
+          --issue-number '${{ github.event.pull_request.number }}'
+          --label-name "$LABEL_NAME"
diff --git a/llvm/utils/git/github-automation.py b/llvm/utils/git/github-automation.py
index 1ec58fef573dc..6fcd29301230a 100755
--- a/llvm/utils/git/github-automation.py
+++ b/llvm/utils/git/github-automation.py
@@ -65,6 +65,36 @@ def run(self) -> bool:
         return False
 
 
+class PRSubscriber:
+    @property
+    def team_name(self) -> str:
+        return self._team_name
+
+    def __init__(self, token: str, repo: str, pr_number: int, label_name: str):
+        self.repo = github.Github(token).get_repo(repo)
+        self.org = github.Github(token).get_organization(self.repo.organization.login)
+        self.pr = self.repo.get_issue(pr_number).as_pull_request()
+        self._team_name = "pr-subscribers-{}".format(label_name).lower()
+
+    def run(self) -> bool:
+        for team in self.org.get_teams():
+            if self.team_name != team.name.lower():
+                continue
+            try:
+                # GitHub limits comments to 65,536 characters, let's limit our comments to 20,000.
+                patch = requests.get(self.pr.diff_url).text[0:20000]
+            except:
+                patch = ""
+            comment = (
+                "@llvm/{}".format(team.slug)
+                + "\n\n<details><summary>Changes</summary><pre>\n"
+                + patch
+                + "\n</pre></details>"
+            )
+            self.pr.as_issue().create_comment(comment)
+        return True
+
+
 def setup_llvmbot_git(git_dir="."):
     """
     Configure the git repo in `git_dir` with the llvmbot account so
@@ -506,6 +536,10 @@ def execute_command(self) -> bool:
 issue_subscriber_parser.add_argument("--label-name", type=str, required=True)
 issue_subscriber_parser.add_argument("--issue-number", type=int, required=True)
 
+pr_subscriber_parser = subparsers.add_parser("pr-subscriber")
+pr_subscriber_parser.add_argument("--label-name", type=str, required=True)
+pr_subscriber_parser.add_argument("--issue-number", type=int, required=True)
+
 release_workflow_parser = subparsers.add_parser("release-workflow")
 release_workflow_parser.add_argument(
     "--llvm-project-dir",
@@ -551,6 +585,11 @@ def execute_command(self) -> bool:
         args.token, args.repo, args.issue_number, args.label_name
     )
     issue_subscriber.run()
+elif args.command == "pr-subscriber":
+    pr_subscriber = PRSubscriber(
+        args.token, args.repo, args.issue_number, args.label_name
+    )
+    pr_subscriber.run()
 elif args.command == "release-workflow":
     release_workflow = ReleaseWorkflow(
         args.token,