diff --git a/clang/.clang-tidy b/clang/.clang-tidy
--- a/clang/.clang-tidy
+++ b/clang/.clang-tidy
@@ -1,24 +1,5 @@
-Checks: '-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,-misc-non-private-member-variables-in-classes,-readability-identifier-naming,-misc-no-recursion'
 # Note that the readability-identifier-naming check is disabled, there are too
 # many violations in the codebase and they create too much noise in clang-tidy
 # results.
-# Naming settings are kept for documentation purposes and allowing to run the
-# check if the users would override this file, e.g. via a command-line arg.
-CheckOptions:
-  - key:             readability-identifier-naming.ClassCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.EnumCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.FunctionCase
-    value:           camelBack
-  - key:             readability-identifier-naming.MemberCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.ParameterCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.UnionCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.VariableCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.IgnoreMainLikeFunctions
-    value:           1
-
+Checks: '-readability-identifier-naming,-misc-no-recursion'
+InheritParentConfig: true
diff --git a/compiler-rt/.clang-tidy b/compiler-rt/.clang-tidy
--- a/compiler-rt/.clang-tidy
+++ b/compiler-rt/.clang-tidy
@@ -1,2 +1,2 @@
-# Checks enabled in the top-level .clang-tidy minus readability-identifier-naming and llvm-header-guard.
-Checks: '-*,clang-diagnostic-*,llvm-*,-llvm-header-guard,misc-*,-misc-unused-parameters,-misc-non-private-member-variables-in-classes'
+Checks: '-readability-identifier-naming,-llvm-header-guard'
+InheritParentConfig: true
diff --git a/flang/.clang-tidy b/flang/.clang-tidy
--- a/flang/.clang-tidy
+++ b/flang/.clang-tidy
@@ -1 +1,2 @@
-Checks: '-*,llvm-*,-llvm-include-order,misc-*,-misc-no-recursion,-misc-unused-parameters,-misc-non-private-member-variables-in-classes'
+Checks: '-llvm-include-order,-readability-identifier-naming,-misc-no-recursion,-clang-diagnostic-*'
+InheritParentConfig: true
diff --git a/flang/include/flang/Lower/.clang-tidy b/flang/include/flang/Lower/.clang-tidy
--- a/flang/include/flang/Lower/.clang-tidy
+++ b/flang/include/flang/Lower/.clang-tidy
@@ -1,19 +1,9 @@
-# Almost identical to the top-level .clang-tidy, except that {Member,Parameter,Variable}Case use camelBack.
-Checks: '-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,-misc-non-private-member-variables-in-classes,readability-identifier-naming'
+Checks: 'readability-identifier-naming,llvm-include-order,misc-no-recursion,clang-diagnostic-*'
+InheritParentConfig: true
 CheckOptions:
-  - key:             readability-identifier-naming.ClassCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.EnumCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.FunctionCase
-    value:           camelBack
   - key:             readability-identifier-naming.MemberCase
     value:           camelBack
   - key:             readability-identifier-naming.ParameterCase
     value:           camelBack
-  - key:             readability-identifier-naming.UnionCase
-    value:           CamelCase
   - key:             readability-identifier-naming.VariableCase
     value:           camelBack
-  - key:             readability-identifier-naming.IgnoreMainLikeFunctions
-    value:           1
diff --git a/flang/include/flang/Optimizer/.clang-tidy b/flang/include/flang/Optimizer/.clang-tidy
--- a/flang/include/flang/Optimizer/.clang-tidy
+++ b/flang/include/flang/Optimizer/.clang-tidy
@@ -1,19 +1,9 @@
-# Almost identical to the top-level .clang-tidy, except that {Member,Parameter,Variable}Case use camelBack.
-Checks: '-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,-misc-non-private-member-variables-in-classes,readability-identifier-naming'
+Checks: 'readability-identifier-naming,llvm-include-order,misc-no-recursion,clang-diagnostic-*'
+InheritParentConfig: true
 CheckOptions:
-  - key:             readability-identifier-naming.ClassCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.EnumCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.FunctionCase
-    value:           camelBack
   - key:             readability-identifier-naming.MemberCase
     value:           camelBack
   - key:             readability-identifier-naming.ParameterCase
     value:           camelBack
-  - key:             readability-identifier-naming.UnionCase
-    value:           CamelCase
   - key:             readability-identifier-naming.VariableCase
     value:           camelBack
-  - key:             readability-identifier-naming.IgnoreMainLikeFunctions
-    value:           1
diff --git a/flang/lib/Lower/.clang-tidy b/flang/lib/Lower/.clang-tidy
--- a/flang/lib/Lower/.clang-tidy
+++ b/flang/lib/Lower/.clang-tidy
@@ -1,19 +1,9 @@
-# Almost identical to the top-level .clang-tidy, except that {Member,Parameter,Variable}Case use camelBack.
-Checks: '-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,-misc-non-private-member-variables-in-classes,readability-identifier-naming'
+Checks: 'readability-identifier-naming,llvm-include-order,misc-no-recursion,clang-diagnostic-*'
+InheritParentConfig: true
 CheckOptions:
-  - key:             readability-identifier-naming.ClassCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.EnumCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.FunctionCase
-    value:           camelBack
   - key:             readability-identifier-naming.MemberCase
     value:           camelBack
   - key:             readability-identifier-naming.ParameterCase
     value:           camelBack
-  - key:             readability-identifier-naming.UnionCase
-    value:           CamelCase
   - key:             readability-identifier-naming.VariableCase
     value:           camelBack
-  - key:             readability-identifier-naming.IgnoreMainLikeFunctions
-    value:           1
diff --git a/flang/lib/Optimizer/.clang-tidy b/flang/lib/Optimizer/.clang-tidy
--- a/flang/lib/Optimizer/.clang-tidy
+++ b/flang/lib/Optimizer/.clang-tidy
@@ -1,19 +1,9 @@
-# Almost identical to the top-level .clang-tidy, except that {Member,Parameter,Variable}Case use camelBack.
-Checks: '-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,-misc-non-private-member-variables-in-classes,readability-identifier-naming'
+Checks: 'readability-identifier-naming,llvm-include-order,misc-no-recursion,clang-diagnostic-*'
+InheritParentConfig: true
 CheckOptions:
-  - key:             readability-identifier-naming.ClassCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.EnumCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.FunctionCase
-    value:           camelBack
   - key:             readability-identifier-naming.MemberCase
     value:           camelBack
   - key:             readability-identifier-naming.ParameterCase
     value:           camelBack
-  - key:             readability-identifier-naming.UnionCase
-    value:           CamelCase
   - key:             readability-identifier-naming.VariableCase
     value:           camelBack
-  - key:             readability-identifier-naming.IgnoreMainLikeFunctions
-    value:           1
diff --git a/lld/.clang-tidy b/lld/.clang-tidy
--- a/lld/.clang-tidy
+++ b/lld/.clang-tidy
@@ -1,19 +1,8 @@
-# Almost identical to the top-level .clang-tidy, except that {Member,Parameter,Variable}Case use camelBack.
-Checks: '-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,-misc-non-private-member-variables-in-classes,readability-identifier-naming'
+InheritParentConfig: true
 CheckOptions:
-  - key:             readability-identifier-naming.ClassCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.EnumCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.FunctionCase
-    value:           camelBack
   - key:             readability-identifier-naming.MemberCase
     value:           camelBack
   - key:             readability-identifier-naming.ParameterCase
     value:           camelBack
-  - key:             readability-identifier-naming.UnionCase
-    value:           CamelCase
   - key:             readability-identifier-naming.VariableCase
     value:           camelBack
-  - key:             readability-identifier-naming.IgnoreMainLikeFunctions
-    value:           1
diff --git a/lldb/.clang-tidy b/lldb/.clang-tidy
--- a/lldb/.clang-tidy
+++ b/lldb/.clang-tidy
@@ -1,2 +1,2 @@
-# Checks enabled in the top-level .clang-tidy minus readability-identifier-naming
-Checks: '-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,-misc-non-private-member-variables-in-classes'
+Checks: '-readability-identifier-naming'
+InheritParentConfig: true
diff --git a/llvm/.clang-tidy b/llvm/.clang-tidy
--- a/llvm/.clang-tidy
+++ b/llvm/.clang-tidy
@@ -1,19 +1 @@
-Checks: '-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,-misc-non-private-member-variables-in-classes,readability-identifier-naming'
-CheckOptions:
-  - key:             readability-identifier-naming.ClassCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.EnumCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.FunctionCase
-    value:           camelBack
-  - key:             readability-identifier-naming.MemberCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.ParameterCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.UnionCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.VariableCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.IgnoreMainLikeFunctions
-    value:           1
-
+InheritParentConfig: true
diff --git a/llvm/tools/split-file/.clang-tidy b/llvm/tools/split-file/.clang-tidy
--- a/llvm/tools/split-file/.clang-tidy
+++ b/llvm/tools/split-file/.clang-tidy
@@ -1,19 +1,8 @@
-# Almost identical to the top-level .clang-tidy, except that {Member,Parameter,Variable}Case use camelBack.
-Checks: '-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,-misc-non-private-member-variables-in-classes,readability-identifier-naming'
+InheritParentConfig: true
 CheckOptions:
-  - key:             readability-identifier-naming.ClassCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.EnumCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.FunctionCase
-    value:           camelBack
   - key:             readability-identifier-naming.MemberCase
     value:           camelBack
   - key:             readability-identifier-naming.ParameterCase
     value:           camelBack
-  - key:             readability-identifier-naming.UnionCase
-    value:           CamelCase
   - key:             readability-identifier-naming.VariableCase
     value:           camelBack
-  - key:             readability-identifier-naming.IgnoreMainLikeFunctions
-    value:           1
diff --git a/mlir/.clang-tidy b/mlir/.clang-tidy
--- a/mlir/.clang-tidy
+++ b/mlir/.clang-tidy
@@ -1,19 +1,8 @@
-# Almost identical to the top-level .clang-tidy, except that {Member,Parameter,Variable}Case use camelBack.
-Checks: '-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,-misc-non-private-member-variables-in-classes,readability-identifier-naming'
+InheritParentConfig: true
 CheckOptions:
-  - key:             readability-identifier-naming.ClassCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.EnumCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.FunctionCase
-    value:           camelBack
   - key:             readability-identifier-naming.MemberCase
     value:           camelBack
   - key:             readability-identifier-naming.ParameterCase
     value:           camelBack
-  - key:             readability-identifier-naming.UnionCase
-    value:           CamelCase
   - key:             readability-identifier-naming.VariableCase
     value:           camelBack
-  - key:             readability-identifier-naming.IgnoreMainLikeFunctions
-    value:           1