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[clang][NFC] Inline Frontend/FrontendDiagnostic.h -> Basic/DiagnosticFrontend.h #162883

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[clang][NFC] Inline Frontend/FrontendDiagnostic.h -> Basic/DiagnosticFrontend.h #162883

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d076608 moved some deps around to avoid cycles and left clang/Frontend/FrontendDiagnostic.h as a shim that simply includes clang/Basic/DiagnosticFrontend.h. This PR inlines it so that nothing in tree still includes clang/Frontend/FrontendDiagnostic.h.

Doing this will help prevent future layering issues. See #162865.

Frontend already depends on Basic, so no new deps need to be added anywhere except for places that do strict dep checking.

@rupprecht
[clang][NFC] Inline Frontend/FrontendDiagnostic.h -> Basic/Diagnostic…
88d1046 
…Frontend.h

d076608 moved some deps around to avoid cycles and left clang/Frontend/FrontendDiagnostic.h as a shim that simply includes clang/Basic/DiagnosticFrontend.h. This PR inlines it so that nothing in tree still includes clang/Frontend/FrontendDiagnostic.h.

Doing this will help prevent future layering issues. See llvm#162865.
@llvmbot llvmbot added clang Clang issues not falling into any other category clang-tools-extra lldb backend:AMDGPU clang-tidy clang:codegen IR generation bugs: mangling, exceptions, etc. clang:static analyzer HLSL HLSL Language Support bazel "Peripheral" support tier build system: utils/bazel labels Oct 10, 2025
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llvmbot commented Oct 10, 2025 •
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@llvm/pr-subscribers-clang-tidy
@llvm/pr-subscribers-hlsl
@llvm/pr-subscribers-clang-codegen
@llvm/pr-subscribers-clang-static-analyzer-1
@llvm/pr-subscribers-clang-tools-extra

@llvm/pr-subscribers-backend-amdgpu

Author: Jordan Rupprecht (rupprecht)

Changes

d076608 moved some deps around to avoid cycles and left clang/Frontend/FrontendDiagnostic.h as a shim that simply includes clang/Basic/DiagnosticFrontend.h. This PR inlines it so that nothing in tree still includes clang/Frontend/FrontendDiagnostic.h.

Doing this will help prevent future layering issues. See #162865.

Frontend already depends on Basic, so no new deps need to be added anywhere except for places that do strict dep checking.

Patch is 21.44 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/162883.diff

30 Files Affected:

  • (modified) clang-tools-extra/clang-tidy/ClangTidy.cpp (+1-1)
  • (modified) clang/lib/CodeGen/BackendUtil.cpp (+1-1)
  • (modified) clang/lib/CodeGen/CGAtomic.cpp (+1-1)
  • (modified) clang/lib/CodeGen/CGBuiltin.cpp (+1-1)
  • (modified) clang/lib/CodeGen/CGHLSLRuntime.cpp (+1-1)
  • (modified) clang/lib/CodeGen/CodeGenFunction.cpp (+1-1)
  • (modified) clang/lib/CodeGen/CodeGenModule.cpp (+1-1)
  • (modified) clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp (+1-1)
  • (modified) clang/lib/Frontend/ASTUnit.cpp (+1-1)
  • (modified) clang/lib/Frontend/CompilerInstance.cpp (+1-1)
  • (modified) clang/lib/Frontend/CompilerInvocation.cpp (+1-1)
  • (modified) clang/lib/Frontend/CreateInvocationFromCommandLine.cpp (+1-1)
  • (modified) clang/lib/Frontend/DependencyFile.cpp (+1-1)
  • (modified) clang/lib/Frontend/DependencyGraph.cpp (+2-2)
  • (modified) clang/lib/Frontend/FrontendAction.cpp (+1-1)
  • (modified) clang/lib/Frontend/FrontendActions.cpp (+1-1)
  • (modified) clang/lib/Frontend/HeaderIncludeGen.cpp (+2-2)
  • (modified) clang/lib/Frontend/InitPreprocessor.cpp (+1-1)
  • (modified) clang/lib/Frontend/Rewrite/FixItRewriter.cpp (+1-1)
  • (modified) clang/lib/Frontend/SerializedDiagnosticPrinter.cpp (+1-1)
  • (modified) clang/lib/Frontend/TestModuleFileExtension.cpp (+1-1)
  • (modified) clang/lib/Frontend/VerifyDiagnosticConsumer.cpp (+1-1)
  • (modified) clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp (+1-1)
  • (modified) clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp (+1-1)
  • (modified) clang/lib/Tooling/Tooling.cpp (+1-1)
  • (modified) clang/tools/clang-repl/ClangRepl.cpp (+1-1)
  • (modified) clang/tools/driver/cc1_main.cpp (+1-1)
  • (modified) clang/tools/driver/cc1as_main.cpp (+1-1)
  • (modified) lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionParser.cpp (+1-1)
  • (modified) utils/bazel/llvm-project-overlay/clang/BUILD.bazel (+1)
diff --git a/clang-tools-extra/clang-tidy/ClangTidy.cpp b/clang-tools-extra/clang-tidy/ClangTidy.cpp
index 7e18f3806a143..046502b7ae5c9 100644
--- a/clang-tools-extra/clang-tidy/ClangTidy.cpp
+++ b/clang-tools-extra/clang-tidy/ClangTidy.cpp
@@ -23,10 +23,10 @@
 #include "clang-tidy-config.h"
 #include "clang/AST/ASTConsumer.h"
 #include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Format/Format.h"
 #include "clang/Frontend/ASTConsumers.h"
 #include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/MultiplexConsumer.h"
 #include "clang/Frontend/TextDiagnosticPrinter.h"
 #include "clang/Lex/Preprocessor.h"
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 2d959827d6972..1f93d710a740a 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -11,9 +11,9 @@
 #include "LinkInModulesPass.h"
 #include "clang/Basic/CodeGenOptions.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/LangOptions.h"
 #include "clang/Basic/TargetOptions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/Utils.h"
 #include "clang/Lex/HeaderSearchOptions.h"
 #include "llvm/ADT/StringExtras.h"
diff --git a/clang/lib/CodeGen/CGAtomic.cpp b/clang/lib/CodeGen/CGAtomic.cpp
index 4a3446abcc78f..cf25dac04547e 100644
--- a/clang/lib/CodeGen/CGAtomic.cpp
+++ b/clang/lib/CodeGen/CGAtomic.cpp
@@ -16,8 +16,8 @@
 #include "CodeGenModule.h"
 #include "TargetInfo.h"
 #include "clang/AST/ASTContext.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/CodeGen/CGFunctionInfo.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/Intrinsics.h"
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 9ee810c9d5775..3050ccc2305f7 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -26,8 +26,8 @@
 #include "TargetInfo.h"
 #include "clang/AST/OSLog.h"
 #include "clang/AST/StmtVisitor.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/TargetInfo.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/IR/InlineAsm.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/Intrinsics.h"
diff --git a/clang/lib/CodeGen/CGHLSLRuntime.cpp b/clang/lib/CodeGen/CGHLSLRuntime.cpp
index 603cef9116dc2..88ce0fff976e1 100644
--- a/clang/lib/CodeGen/CGHLSLRuntime.cpp
+++ b/clang/lib/CodeGen/CGHLSLRuntime.cpp
@@ -24,8 +24,8 @@
 #include "clang/AST/HLSLResource.h"
 #include "clang/AST/RecursiveASTVisitor.h"
 #include "clang/AST/Type.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/TargetOptions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Frontend/HLSL/RootSignatureMetadata.h"
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index 88628530cf66b..64e594d09067b 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -31,10 +31,10 @@
 #include "clang/AST/StmtObjC.h"
 #include "clang/Basic/Builtins.h"
 #include "clang/Basic/CodeGenOptions.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/TargetBuiltins.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/CodeGen/CGFunctionInfo.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/ScopeExit.h"
 #include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 8d019d4b2da25..ca6b910f725d7 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -40,13 +40,13 @@
 #include "clang/Basic/Builtins.h"
 #include "clang/Basic/CodeGenOptions.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/Module.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Basic/Version.h"
 #include "clang/CodeGen/BackendUtil.h"
 #include "clang/CodeGen/ConstantInitBuilder.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSwitch.h"
diff --git a/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp b/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp
index 5049a0ab0a395..06a7bf15405ce 100644
--- a/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp
+++ b/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp
@@ -12,8 +12,8 @@
 
 #include "CGBuiltin.h"
 #include "CodeGenFunction.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/TargetBuiltins.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/IR/IntrinsicsAMDGPU.h"
diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index cb445682ac48b..020728daa418d 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -26,6 +26,7 @@
 #include "clang/AST/Type.h"
 #include "clang/AST/TypeOrdering.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/IdentifierTable.h"
 #include "clang/Basic/LLVM.h"
@@ -40,7 +41,6 @@
 #include "clang/Frontend/CompilerInvocation.h"
 #include "clang/Frontend/FrontendAction.h"
 #include "clang/Frontend/FrontendActions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendOptions.h"
 #include "clang/Frontend/MultiplexConsumer.h"
 #include "clang/Frontend/PrecompiledPreamble.h"
diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp
index 584436665622d..025b409cae7e8 100644
--- a/clang/lib/Frontend/CompilerInstance.cpp
+++ b/clang/lib/Frontend/CompilerInstance.cpp
@@ -12,6 +12,7 @@
 #include "clang/AST/Decl.h"
 #include "clang/Basic/CharInfo.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/LangStandard.h"
@@ -23,7 +24,6 @@
 #include "clang/Frontend/ChainedDiagnosticConsumer.h"
 #include "clang/Frontend/FrontendAction.h"
 #include "clang/Frontend/FrontendActions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendPluginRegistry.h"
 #include "clang/Frontend/LogDiagnosticPrinter.h"
 #include "clang/Frontend/SARIFDiagnosticPrinter.h"
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 292adce8180bc..fc081f87306a3 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -14,6 +14,7 @@
 #include "clang/Basic/CommentOptions.h"
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/DiagnosticDriver.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/FileSystemOptions.h"
 #include "clang/Basic/LLVM.h"
@@ -30,7 +31,6 @@
 #include "clang/Driver/Options.h"
 #include "clang/Frontend/CommandLineSourceLoc.h"
 #include "clang/Frontend/DependencyOutputOptions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendOptions.h"
 #include "clang/Frontend/MigratorOptions.h"
 #include "clang/Frontend/PreprocessorOutputOptions.h"
diff --git a/clang/lib/Frontend/CreateInvocationFromCommandLine.cpp b/clang/lib/Frontend/CreateInvocationFromCommandLine.cpp
index 99212b81fe064..56d9ae2c60b97 100644
--- a/clang/lib/Frontend/CreateInvocationFromCommandLine.cpp
+++ b/clang/lib/Frontend/CreateInvocationFromCommandLine.cpp
@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Driver/Action.h"
 #include "clang/Driver/Compilation.h"
@@ -17,7 +18,6 @@
 #include "clang/Driver/Options.h"
 #include "clang/Driver/Tool.h"
 #include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/Utils.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringRef.h"
diff --git a/clang/lib/Frontend/DependencyFile.cpp b/clang/lib/Frontend/DependencyFile.cpp
index 15fa7de35df97..ff6e7748f4657 100644
--- a/clang/lib/Frontend/DependencyFile.cpp
+++ b/clang/lib/Frontend/DependencyFile.cpp
@@ -10,10 +10,10 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Frontend/DependencyOutputOptions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/Utils.h"
 #include "clang/Lex/DirectoryLookup.h"
 #include "clang/Lex/ModuleMap.h"
diff --git a/clang/lib/Frontend/DependencyGraph.cpp b/clang/lib/Frontend/DependencyGraph.cpp
index c23ce66a40dd0..80c187a1f9c00 100644
--- a/clang/lib/Frontend/DependencyGraph.cpp
+++ b/clang/lib/Frontend/DependencyGraph.cpp
@@ -11,10 +11,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "clang/Frontend/Utils.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/SourceManager.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
+#include "clang/Frontend/Utils.h"
 #include "clang/Lex/PPCallbacks.h"
 #include "clang/Lex/Preprocessor.h"
 #include "llvm/ADT/SetVector.h"
diff --git a/clang/lib/Frontend/FrontendAction.cpp b/clang/lib/Frontend/FrontendAction.cpp
index 1b63c40a6efd7..bd29daf44cbde 100644
--- a/clang/lib/Frontend/FrontendAction.cpp
+++ b/clang/lib/Frontend/FrontendAction.cpp
@@ -12,6 +12,7 @@
 #include "clang/AST/Decl.h"
 #include "clang/AST/DeclGroup.h"
 #include "clang/Basic/Builtins.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/FileEntry.h"
 #include "clang/Basic/LangOptions.h"
@@ -23,7 +24,6 @@
 #include "clang/Basic/TokenKinds.h"
 #include "clang/Frontend/ASTUnit.h"
 #include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendPluginRegistry.h"
 #include "clang/Frontend/LayoutOverrideSource.h"
 #include "clang/Frontend/MultiplexConsumer.h"
diff --git a/clang/lib/Frontend/FrontendActions.cpp b/clang/lib/Frontend/FrontendActions.cpp
index d7d56b8166350..01c809915ba0f 100644
--- a/clang/lib/Frontend/FrontendActions.cpp
+++ b/clang/lib/Frontend/FrontendActions.cpp
@@ -9,13 +9,13 @@
 #include "clang/Frontend/FrontendActions.h"
 #include "clang/AST/ASTConsumer.h"
 #include "clang/AST/Decl.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/LangStandard.h"
 #include "clang/Basic/Module.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Frontend/ASTConsumers.h"
 #include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/MultiplexConsumer.h"
 #include "clang/Frontend/Utils.h"
 #include "clang/Lex/DependencyDirectivesScanner.h"
diff --git a/clang/lib/Frontend/HeaderIncludeGen.cpp b/clang/lib/Frontend/HeaderIncludeGen.cpp
index 7cd9c8a3a5bd7..fc45b295d4e14 100644
--- a/clang/lib/Frontend/HeaderIncludeGen.cpp
+++ b/clang/lib/Frontend/HeaderIncludeGen.cpp
@@ -6,10 +6,10 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/DiagnosticFrontend.h"
+#include "clang/Basic/SourceManager.h"
 #include "clang/Frontend/DependencyOutputOptions.h"
 #include "clang/Frontend/Utils.h"
-#include "clang/Basic/SourceManager.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Lex/Preprocessor.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/Support/JSON.h"
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index b899fb9c6494a..b21dd8225aa65 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticLex.h"
 #include "clang/Basic/HLSLRuntime.h"
 #include "clang/Basic/MacroBuilder.h"
@@ -17,7 +18,6 @@
 #include "clang/Basic/SyncScope.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Basic/Version.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendOptions.h"
 #include "clang/Frontend/Utils.h"
 #include "clang/Lex/HeaderSearch.h"
diff --git a/clang/lib/Frontend/Rewrite/FixItRewriter.cpp b/clang/lib/Frontend/Rewrite/FixItRewriter.cpp
index 4255b2637b7f5..f5acaa5593c6b 100644
--- a/clang/lib/Frontend/Rewrite/FixItRewriter.cpp
+++ b/clang/lib/Frontend/Rewrite/FixItRewriter.cpp
@@ -14,12 +14,12 @@
 
 #include "clang/Rewrite/Frontend/FixItRewriter.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/LLVM.h"
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Edit/Commit.h"
 #include "clang/Edit/EditsReceiver.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Rewrite/Core/Rewriter.h"
 #include "llvm/ADT/RewriteBuffer.h"
 #include "llvm/ADT/StringRef.h"
diff --git a/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp b/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
index 1f5bb47bd9b48..1dffe7cb2b9f0 100644
--- a/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
+++ b/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
@@ -8,10 +8,10 @@
 
 #include "clang/Frontend/SerializedDiagnosticPrinter.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Frontend/DiagnosticRenderer.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/SerializedDiagnosticReader.h"
 #include "clang/Frontend/SerializedDiagnostics.h"
 #include "clang/Frontend/TextDiagnosticPrinter.h"
diff --git a/clang/lib/Frontend/TestModuleFileExtension.cpp b/clang/lib/Frontend/TestModuleFileExtension.cpp
index 4ef9f8bec498f..5e116702096b8 100644
--- a/clang/lib/Frontend/TestModuleFileExtension.cpp
+++ b/clang/lib/Frontend/TestModuleFileExtension.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 #include "TestModuleFileExtension.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Serialization/ASTReader.h"
 #include "llvm/Bitstream/BitstreamWriter.h"
 #include "llvm/Support/raw_ostream.h"
diff --git a/clang/lib/Frontend/VerifyDiagnosticConsumer.cpp b/clang/lib/Frontend/VerifyDiagnosticConsumer.cpp
index c6cbb36d84156..e263e10bb065a 100644
--- a/clang/lib/Frontend/VerifyDiagnosticConsumer.cpp
+++ b/clang/lib/Frontend/VerifyDiagnosticConsumer.cpp
@@ -13,12 +13,12 @@
 #include "clang/Frontend/VerifyDiagnosticConsumer.h"
 #include "clang/Basic/CharInfo.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/LLVM.h"
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Basic/TokenKinds.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/TextDiagnosticBuffer.h"
 #include "clang/Lex/HeaderSearch.h"
 #include "clang/Lex/Lexer.h"
diff --git a/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp b/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
index c8aad4daa1c10..e0fcf8add9b8e 100644
--- a/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
+++ b/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
@@ -11,6 +11,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/CodeGen/CodeGenAction.h"
 #include "clang/Config/config.h"
 #include "clang/Driver/Options.h"
@@ -18,7 +19,6 @@
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/Frontend/CompilerInvocation.h"
 #include "clang/Frontend/FrontendActions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendPluginRegistry.h"
 #include "clang/Frontend/Utils.h"
 #include "clang/FrontendTool/Utils.h"
diff --git a/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp b/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp
index aaf3b6702e1c9..4c7ce29e01016 100644
--- a/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp
+++ b/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp
@@ -8,9 +8,9 @@
 
 #include "clang/StaticAnalyzer/Frontend/CheckerRegistry.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/LLVM.h"
 #include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/StaticAnalyzer/Checkers/BuiltinCheckerRegistration.h"
 #include "clang/StaticAnalyzer/Core/AnalyzerOptions.h"
 #include "clang/StaticAnalyzer/Core/CheckerManager.h"
diff --git a/clang/lib/Tooling/Tooling.cpp b/clang/lib/Tooling/Tooling.cpp
index ea5a37216e959..a13fd05a261d1 100644
--- a/clang/lib/Tooling/Tooling.cpp
+++ b/clang/lib/Tooling/Tooling.cpp
@@ -13,6 +13,7 @@
 
 #include "clang/Tooling/Tooling.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticIDs.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/FileManager.h"
@@ -27,7 +28,6 @@
 #include "clang/Frontend/ASTUnit.h"
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendOptions.h"
 #include "clang/Frontend/TextDiagnosticPrinter.h"
 #include "clang/Lex/HeaderSearchOptions.h"
diff --git a/clang/tools/clang-repl/ClangRepl.cpp b/clang/tools/clang-repl/ClangRepl.cpp
index c7879422cd7df..9fc680f707470 100644
--- a/clang/tools/clang-repl/ClangRepl.cpp
+++ b/clang/tools/clang-repl/ClangRepl.cpp
@@ -11,10 +11,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/Version.h"
 #include "clang/Config/config.h"
 #include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Interpreter/CodeCompletion.h"
 #include "clang/Interpreter/Interpreter.h"
 #include "clang/Lex/Preprocessor.h"
diff --git a/clang/tools/driver/cc1_main.cpp b/clang/tools/driver/cc1_main.cpp
index 49f8843515a35..2de094832b8bc 100644
--- a/clang/tools/driver/cc1_main.cpp
+++ b/clang/tools/driver/cc1_main.cpp
@@ -12,6 +12,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/Stack.h"
 #include "clang/Basic/TargetOptions.h"
 #include "clang/CodeGen/ObjectFilePCHContainerWriter.h"
@@ -20,7 +21,6 @@
 #include "clang/Driver/Options.h"
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/TextDiagnosticBuffer.h"
 #include "clang/Frontend/TextDiagnosticPrinter.h"
 #include "clang/Frontend/Utils.h"
diff --git a/clang/tools/driver/cc1as_main.cpp b/clang/tools/driver/cc1as_main.cpp
index ef79e45364a2f..524eed9810c1e 100644
--- a/clang/tools/driver/cc1as_main.cpp
+++ b/clang/tools/driver/cc1as_main.cpp
@@ -12,10 +12,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Driver/DriverDiagnostic.h"
 #include "clang/Driver/Options.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/TextDiagnosticPrinter.h"
 #include "clang/Frontend/Utils.h"
 #include "llvm/ADT/STLExtras.h"
diff...
[truncated]

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llvmbot commented Oct 10, 2025

@llvm/pr-subscribers-clang

Author: Jordan Rupprecht (rupprecht)

Changes

d076608 moved some deps around to avoid cycles and left clang/Frontend/FrontendDiagnostic.h as a shim that simply includes clang/Basic/DiagnosticFrontend.h. This PR inlines it so that nothing in tree still includes clang/Frontend/FrontendDiagnostic.h.

Doing this will help prevent future layering issues. See #162865.

Frontend already depends on Basic, so no new deps need to be added anywhere except for places that do strict dep checking.

Patch is 21.44 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/162883.diff

30 Files Affected:

  • (modified) clang-tools-extra/clang-tidy/ClangTidy.cpp (+1-1)
  • (modified) clang/lib/CodeGen/BackendUtil.cpp (+1-1)
  • (modified) clang/lib/CodeGen/CGAtomic.cpp (+1-1)
  • (modified) clang/lib/CodeGen/CGBuiltin.cpp (+1-1)
  • (modified) clang/lib/CodeGen/CGHLSLRuntime.cpp (+1-1)
  • (modified) clang/lib/CodeGen/CodeGenFunction.cpp (+1-1)
  • (modified) clang/lib/CodeGen/CodeGenModule.cpp (+1-1)
  • (modified) clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp (+1-1)
  • (modified) clang/lib/Frontend/ASTUnit.cpp (+1-1)
  • (modified) clang/lib/Frontend/CompilerInstance.cpp (+1-1)
  • (modified) clang/lib/Frontend/CompilerInvocation.cpp (+1-1)
  • (modified) clang/lib/Frontend/CreateInvocationFromCommandLine.cpp (+1-1)
  • (modified) clang/lib/Frontend/DependencyFile.cpp (+1-1)
  • (modified) clang/lib/Frontend/DependencyGraph.cpp (+2-2)
  • (modified) clang/lib/Frontend/FrontendAction.cpp (+1-1)
  • (modified) clang/lib/Frontend/FrontendActions.cpp (+1-1)
  • (modified) clang/lib/Frontend/HeaderIncludeGen.cpp (+2-2)
  • (modified) clang/lib/Frontend/InitPreprocessor.cpp (+1-1)
  • (modified) clang/lib/Frontend/Rewrite/FixItRewriter.cpp (+1-1)
  • (modified) clang/lib/Frontend/SerializedDiagnosticPrinter.cpp (+1-1)
  • (modified) clang/lib/Frontend/TestModuleFileExtension.cpp (+1-1)
  • (modified) clang/lib/Frontend/VerifyDiagnosticConsumer.cpp (+1-1)
  • (modified) clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp (+1-1)
  • (modified) clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp (+1-1)
  • (modified) clang/lib/Tooling/Tooling.cpp (+1-1)
  • (modified) clang/tools/clang-repl/ClangRepl.cpp (+1-1)
  • (modified) clang/tools/driver/cc1_main.cpp (+1-1)
  • (modified) clang/tools/driver/cc1as_main.cpp (+1-1)
  • (modified) lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionParser.cpp (+1-1)
  • (modified) utils/bazel/llvm-project-overlay/clang/BUILD.bazel (+1)
diff --git a/clang-tools-extra/clang-tidy/ClangTidy.cpp b/clang-tools-extra/clang-tidy/ClangTidy.cpp
index 7e18f3806a143..046502b7ae5c9 100644
--- a/clang-tools-extra/clang-tidy/ClangTidy.cpp
+++ b/clang-tools-extra/clang-tidy/ClangTidy.cpp
@@ -23,10 +23,10 @@
 #include "clang-tidy-config.h"
 #include "clang/AST/ASTConsumer.h"
 #include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Format/Format.h"
 #include "clang/Frontend/ASTConsumers.h"
 #include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/MultiplexConsumer.h"
 #include "clang/Frontend/TextDiagnosticPrinter.h"
 #include "clang/Lex/Preprocessor.h"
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 2d959827d6972..1f93d710a740a 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -11,9 +11,9 @@
 #include "LinkInModulesPass.h"
 #include "clang/Basic/CodeGenOptions.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/LangOptions.h"
 #include "clang/Basic/TargetOptions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/Utils.h"
 #include "clang/Lex/HeaderSearchOptions.h"
 #include "llvm/ADT/StringExtras.h"
diff --git a/clang/lib/CodeGen/CGAtomic.cpp b/clang/lib/CodeGen/CGAtomic.cpp
index 4a3446abcc78f..cf25dac04547e 100644
--- a/clang/lib/CodeGen/CGAtomic.cpp
+++ b/clang/lib/CodeGen/CGAtomic.cpp
@@ -16,8 +16,8 @@
 #include "CodeGenModule.h"
 #include "TargetInfo.h"
 #include "clang/AST/ASTContext.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/CodeGen/CGFunctionInfo.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/Intrinsics.h"
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 9ee810c9d5775..3050ccc2305f7 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -26,8 +26,8 @@
 #include "TargetInfo.h"
 #include "clang/AST/OSLog.h"
 #include "clang/AST/StmtVisitor.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/TargetInfo.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/IR/InlineAsm.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/Intrinsics.h"
diff --git a/clang/lib/CodeGen/CGHLSLRuntime.cpp b/clang/lib/CodeGen/CGHLSLRuntime.cpp
index 603cef9116dc2..88ce0fff976e1 100644
--- a/clang/lib/CodeGen/CGHLSLRuntime.cpp
+++ b/clang/lib/CodeGen/CGHLSLRuntime.cpp
@@ -24,8 +24,8 @@
 #include "clang/AST/HLSLResource.h"
 #include "clang/AST/RecursiveASTVisitor.h"
 #include "clang/AST/Type.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/TargetOptions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Frontend/HLSL/RootSignatureMetadata.h"
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index 88628530cf66b..64e594d09067b 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -31,10 +31,10 @@
 #include "clang/AST/StmtObjC.h"
 #include "clang/Basic/Builtins.h"
 #include "clang/Basic/CodeGenOptions.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/TargetBuiltins.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/CodeGen/CGFunctionInfo.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/ScopeExit.h"
 #include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 8d019d4b2da25..ca6b910f725d7 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -40,13 +40,13 @@
 #include "clang/Basic/Builtins.h"
 #include "clang/Basic/CodeGenOptions.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/Module.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Basic/Version.h"
 #include "clang/CodeGen/BackendUtil.h"
 #include "clang/CodeGen/ConstantInitBuilder.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSwitch.h"
diff --git a/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp b/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp
index 5049a0ab0a395..06a7bf15405ce 100644
--- a/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp
+++ b/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp
@@ -12,8 +12,8 @@
 
 #include "CGBuiltin.h"
 #include "CodeGenFunction.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/TargetBuiltins.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/IR/IntrinsicsAMDGPU.h"
diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index cb445682ac48b..020728daa418d 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -26,6 +26,7 @@
 #include "clang/AST/Type.h"
 #include "clang/AST/TypeOrdering.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/IdentifierTable.h"
 #include "clang/Basic/LLVM.h"
@@ -40,7 +41,6 @@
 #include "clang/Frontend/CompilerInvocation.h"
 #include "clang/Frontend/FrontendAction.h"
 #include "clang/Frontend/FrontendActions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendOptions.h"
 #include "clang/Frontend/MultiplexConsumer.h"
 #include "clang/Frontend/PrecompiledPreamble.h"
diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp
index 584436665622d..025b409cae7e8 100644
--- a/clang/lib/Frontend/CompilerInstance.cpp
+++ b/clang/lib/Frontend/CompilerInstance.cpp
@@ -12,6 +12,7 @@
 #include "clang/AST/Decl.h"
 #include "clang/Basic/CharInfo.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/LangStandard.h"
@@ -23,7 +24,6 @@
 #include "clang/Frontend/ChainedDiagnosticConsumer.h"
 #include "clang/Frontend/FrontendAction.h"
 #include "clang/Frontend/FrontendActions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendPluginRegistry.h"
 #include "clang/Frontend/LogDiagnosticPrinter.h"
 #include "clang/Frontend/SARIFDiagnosticPrinter.h"
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 292adce8180bc..fc081f87306a3 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -14,6 +14,7 @@
 #include "clang/Basic/CommentOptions.h"
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/DiagnosticDriver.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/FileSystemOptions.h"
 #include "clang/Basic/LLVM.h"
@@ -30,7 +31,6 @@
 #include "clang/Driver/Options.h"
 #include "clang/Frontend/CommandLineSourceLoc.h"
 #include "clang/Frontend/DependencyOutputOptions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendOptions.h"
 #include "clang/Frontend/MigratorOptions.h"
 #include "clang/Frontend/PreprocessorOutputOptions.h"
diff --git a/clang/lib/Frontend/CreateInvocationFromCommandLine.cpp b/clang/lib/Frontend/CreateInvocationFromCommandLine.cpp
index 99212b81fe064..56d9ae2c60b97 100644
--- a/clang/lib/Frontend/CreateInvocationFromCommandLine.cpp
+++ b/clang/lib/Frontend/CreateInvocationFromCommandLine.cpp
@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Driver/Action.h"
 #include "clang/Driver/Compilation.h"
@@ -17,7 +18,6 @@
 #include "clang/Driver/Options.h"
 #include "clang/Driver/Tool.h"
 #include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/Utils.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringRef.h"
diff --git a/clang/lib/Frontend/DependencyFile.cpp b/clang/lib/Frontend/DependencyFile.cpp
index 15fa7de35df97..ff6e7748f4657 100644
--- a/clang/lib/Frontend/DependencyFile.cpp
+++ b/clang/lib/Frontend/DependencyFile.cpp
@@ -10,10 +10,10 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Frontend/DependencyOutputOptions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/Utils.h"
 #include "clang/Lex/DirectoryLookup.h"
 #include "clang/Lex/ModuleMap.h"
diff --git a/clang/lib/Frontend/DependencyGraph.cpp b/clang/lib/Frontend/DependencyGraph.cpp
index c23ce66a40dd0..80c187a1f9c00 100644
--- a/clang/lib/Frontend/DependencyGraph.cpp
+++ b/clang/lib/Frontend/DependencyGraph.cpp
@@ -11,10 +11,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "clang/Frontend/Utils.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/SourceManager.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
+#include "clang/Frontend/Utils.h"
 #include "clang/Lex/PPCallbacks.h"
 #include "clang/Lex/Preprocessor.h"
 #include "llvm/ADT/SetVector.h"
diff --git a/clang/lib/Frontend/FrontendAction.cpp b/clang/lib/Frontend/FrontendAction.cpp
index 1b63c40a6efd7..bd29daf44cbde 100644
--- a/clang/lib/Frontend/FrontendAction.cpp
+++ b/clang/lib/Frontend/FrontendAction.cpp
@@ -12,6 +12,7 @@
 #include "clang/AST/Decl.h"
 #include "clang/AST/DeclGroup.h"
 #include "clang/Basic/Builtins.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/FileEntry.h"
 #include "clang/Basic/LangOptions.h"
@@ -23,7 +24,6 @@
 #include "clang/Basic/TokenKinds.h"
 #include "clang/Frontend/ASTUnit.h"
 #include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendPluginRegistry.h"
 #include "clang/Frontend/LayoutOverrideSource.h"
 #include "clang/Frontend/MultiplexConsumer.h"
diff --git a/clang/lib/Frontend/FrontendActions.cpp b/clang/lib/Frontend/FrontendActions.cpp
index d7d56b8166350..01c809915ba0f 100644
--- a/clang/lib/Frontend/FrontendActions.cpp
+++ b/clang/lib/Frontend/FrontendActions.cpp
@@ -9,13 +9,13 @@
 #include "clang/Frontend/FrontendActions.h"
 #include "clang/AST/ASTConsumer.h"
 #include "clang/AST/Decl.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/LangStandard.h"
 #include "clang/Basic/Module.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Frontend/ASTConsumers.h"
 #include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/MultiplexConsumer.h"
 #include "clang/Frontend/Utils.h"
 #include "clang/Lex/DependencyDirectivesScanner.h"
diff --git a/clang/lib/Frontend/HeaderIncludeGen.cpp b/clang/lib/Frontend/HeaderIncludeGen.cpp
index 7cd9c8a3a5bd7..fc45b295d4e14 100644
--- a/clang/lib/Frontend/HeaderIncludeGen.cpp
+++ b/clang/lib/Frontend/HeaderIncludeGen.cpp
@@ -6,10 +6,10 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/DiagnosticFrontend.h"
+#include "clang/Basic/SourceManager.h"
 #include "clang/Frontend/DependencyOutputOptions.h"
 #include "clang/Frontend/Utils.h"
-#include "clang/Basic/SourceManager.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Lex/Preprocessor.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/Support/JSON.h"
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index b899fb9c6494a..b21dd8225aa65 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticLex.h"
 #include "clang/Basic/HLSLRuntime.h"
 #include "clang/Basic/MacroBuilder.h"
@@ -17,7 +18,6 @@
 #include "clang/Basic/SyncScope.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Basic/Version.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendOptions.h"
 #include "clang/Frontend/Utils.h"
 #include "clang/Lex/HeaderSearch.h"
diff --git a/clang/lib/Frontend/Rewrite/FixItRewriter.cpp b/clang/lib/Frontend/Rewrite/FixItRewriter.cpp
index 4255b2637b7f5..f5acaa5593c6b 100644
--- a/clang/lib/Frontend/Rewrite/FixItRewriter.cpp
+++ b/clang/lib/Frontend/Rewrite/FixItRewriter.cpp
@@ -14,12 +14,12 @@
 
 #include "clang/Rewrite/Frontend/FixItRewriter.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/LLVM.h"
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Edit/Commit.h"
 #include "clang/Edit/EditsReceiver.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Rewrite/Core/Rewriter.h"
 #include "llvm/ADT/RewriteBuffer.h"
 #include "llvm/ADT/StringRef.h"
diff --git a/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp b/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
index 1f5bb47bd9b48..1dffe7cb2b9f0 100644
--- a/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
+++ b/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
@@ -8,10 +8,10 @@
 
 #include "clang/Frontend/SerializedDiagnosticPrinter.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Frontend/DiagnosticRenderer.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/SerializedDiagnosticReader.h"
 #include "clang/Frontend/SerializedDiagnostics.h"
 #include "clang/Frontend/TextDiagnosticPrinter.h"
diff --git a/clang/lib/Frontend/TestModuleFileExtension.cpp b/clang/lib/Frontend/TestModuleFileExtension.cpp
index 4ef9f8bec498f..5e116702096b8 100644
--- a/clang/lib/Frontend/TestModuleFileExtension.cpp
+++ b/clang/lib/Frontend/TestModuleFileExtension.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 #include "TestModuleFileExtension.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Serialization/ASTReader.h"
 #include "llvm/Bitstream/BitstreamWriter.h"
 #include "llvm/Support/raw_ostream.h"
diff --git a/clang/lib/Frontend/VerifyDiagnosticConsumer.cpp b/clang/lib/Frontend/VerifyDiagnosticConsumer.cpp
index c6cbb36d84156..e263e10bb065a 100644
--- a/clang/lib/Frontend/VerifyDiagnosticConsumer.cpp
+++ b/clang/lib/Frontend/VerifyDiagnosticConsumer.cpp
@@ -13,12 +13,12 @@
 #include "clang/Frontend/VerifyDiagnosticConsumer.h"
 #include "clang/Basic/CharInfo.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/LLVM.h"
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Basic/TokenKinds.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/TextDiagnosticBuffer.h"
 #include "clang/Lex/HeaderSearch.h"
 #include "clang/Lex/Lexer.h"
diff --git a/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp b/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
index c8aad4daa1c10..e0fcf8add9b8e 100644
--- a/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
+++ b/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
@@ -11,6 +11,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/CodeGen/CodeGenAction.h"
 #include "clang/Config/config.h"
 #include "clang/Driver/Options.h"
@@ -18,7 +19,6 @@
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/Frontend/CompilerInvocation.h"
 #include "clang/Frontend/FrontendActions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendPluginRegistry.h"
 #include "clang/Frontend/Utils.h"
 #include "clang/FrontendTool/Utils.h"
diff --git a/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp b/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp
index aaf3b6702e1c9..4c7ce29e01016 100644
--- a/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp
+++ b/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp
@@ -8,9 +8,9 @@
 
 #include "clang/StaticAnalyzer/Frontend/CheckerRegistry.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/LLVM.h"
 #include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/StaticAnalyzer/Checkers/BuiltinCheckerRegistration.h"
 #include "clang/StaticAnalyzer/Core/AnalyzerOptions.h"
 #include "clang/StaticAnalyzer/Core/CheckerManager.h"
diff --git a/clang/lib/Tooling/Tooling.cpp b/clang/lib/Tooling/Tooling.cpp
index ea5a37216e959..a13fd05a261d1 100644
--- a/clang/lib/Tooling/Tooling.cpp
+++ b/clang/lib/Tooling/Tooling.cpp
@@ -13,6 +13,7 @@
 
 #include "clang/Tooling/Tooling.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticIDs.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/FileManager.h"
@@ -27,7 +28,6 @@
 #include "clang/Frontend/ASTUnit.h"
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/FrontendOptions.h"
 #include "clang/Frontend/TextDiagnosticPrinter.h"
 #include "clang/Lex/HeaderSearchOptions.h"
diff --git a/clang/tools/clang-repl/ClangRepl.cpp b/clang/tools/clang-repl/ClangRepl.cpp
index c7879422cd7df..9fc680f707470 100644
--- a/clang/tools/clang-repl/ClangRepl.cpp
+++ b/clang/tools/clang-repl/ClangRepl.cpp
@@ -11,10 +11,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/Version.h"
 #include "clang/Config/config.h"
 #include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Interpreter/CodeCompletion.h"
 #include "clang/Interpreter/Interpreter.h"
 #include "clang/Lex/Preprocessor.h"
diff --git a/clang/tools/driver/cc1_main.cpp b/clang/tools/driver/cc1_main.cpp
index 49f8843515a35..2de094832b8bc 100644
--- a/clang/tools/driver/cc1_main.cpp
+++ b/clang/tools/driver/cc1_main.cpp
@@ -12,6 +12,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/Stack.h"
 #include "clang/Basic/TargetOptions.h"
 #include "clang/CodeGen/ObjectFilePCHContainerWriter.h"
@@ -20,7 +21,6 @@
 #include "clang/Driver/Options.h"
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/TextDiagnosticBuffer.h"
 #include "clang/Frontend/TextDiagnosticPrinter.h"
 #include "clang/Frontend/Utils.h"
diff --git a/clang/tools/driver/cc1as_main.cpp b/clang/tools/driver/cc1as_main.cpp
index ef79e45364a2f..524eed9810c1e 100644
--- a/clang/tools/driver/cc1as_main.cpp
+++ b/clang/tools/driver/cc1as_main.cpp
@@ -12,10 +12,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticFrontend.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Driver/DriverDiagnostic.h"
 #include "clang/Driver/Options.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/TextDiagnosticPrinter.h"
 #include "clang/Frontend/Utils.h"
 #include "llvm/ADT/STLExtras.h"
diff...
[truncated]

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backend:AMDGPU bazel "Peripheral" support tier build system: utils/bazel clang:codegen IR generation bugs: mangling, exceptions, etc. clang:static analyzer clang Clang issues not falling into any other category clang-tidy clang-tools-extra HLSL HLSL Language Support lldb

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@rupprecht @llvmbot