[clang] [Clang][NFC] Refactor `Targets.h` to make it publicly accessible (PR #116090)

[via cfe-commits]

https://github.com/seven-mile updated https://github.com/llvm/llvm-project/pull/116090

>From 7b870cc2c3c4201a97ea9ab63197cc79f6ad5370 Mon Sep 17 00:00:00 2001
From: seven-mile <i at 7li.moe>
Date: Wed, 13 Nov 2024 18:10:58 +0000
Subject: [PATCH] [Clang][NFC] Refactor target info allocation to make it
 publicly accessible

---
 clang/include/clang/Basic/TargetInfo.h |  5 ++++
 clang/lib/Basic/TargetDefines.h        | 39 ++++++++++++++++++++++++++
 clang/lib/Basic/Targets.h              | 27 +-----------------
 3 files changed, 45 insertions(+), 26 deletions(-)
 create mode 100644 clang/lib/Basic/TargetDefines.h

diff --git a/clang/include/clang/Basic/TargetInfo.h b/clang/include/clang/Basic/TargetInfo.h
index 25eda907d20a7b..71873ee2ca7cb9 100644
--- a/clang/include/clang/Basic/TargetInfo.h
+++ b/clang/include/clang/Basic/TargetInfo.h
@@ -1860,6 +1860,11 @@ class TargetInfo : public TransferrableTargetInfo,
   void CheckFixedPointBits() const;
 };
 
+namespace targets {
+std::unique_ptr<clang::TargetInfo>
+AllocateTarget(const llvm::Triple &Triple, const clang::TargetOptions &Opts);
+} // namespace targets
+
 }  // end namespace clang
 
 #endif
diff --git a/clang/lib/Basic/TargetDefines.h b/clang/lib/Basic/TargetDefines.h
new file mode 100644
index 00000000000000..01db32f6a3d710
--- /dev/null
+++ b/clang/lib/Basic/TargetDefines.h
@@ -0,0 +1,39 @@
+//===------- TargetDefines.h - Target define helpers ------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares a series of helper functions for defining target-specific
+// macros.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_LIB_BASIC_TARGETDEFINES_H
+#define LLVM_CLANG_LIB_BASIC_TARGETDEFINES_H
+
+#include "clang/Basic/LangOptions.h"
+#include "clang/Basic/MacroBuilder.h"
+#include "llvm/ADT/StringRef.h"
+
+namespace clang {
+namespace targets {
+/// DefineStd - Define a macro name and standard variants.  For example if
+/// MacroName is "unix", then this will define "__unix", "__unix__", and "unix"
+/// when in GNU mode.
+LLVM_LIBRARY_VISIBILITY
+void DefineStd(clang::MacroBuilder &Builder, llvm::StringRef MacroName,
+               const clang::LangOptions &Opts);
+
+LLVM_LIBRARY_VISIBILITY
+void defineCPUMacros(clang::MacroBuilder &Builder, llvm::StringRef CPUName,
+                     bool Tuning = true);
+
+LLVM_LIBRARY_VISIBILITY
+void addCygMingDefines(const clang::LangOptions &Opts,
+                       clang::MacroBuilder &Builder);
+} // namespace targets
+} // namespace clang
+#endif // LLVM_CLANG_LIB_BASIC_TARGETDEFINES_H
diff --git a/clang/lib/Basic/Targets.h b/clang/lib/Basic/Targets.h
index b4d2486b5d2b13..e1458384fa1c8b 100644
--- a/clang/lib/Basic/Targets.h
+++ b/clang/lib/Basic/Targets.h
@@ -15,32 +15,7 @@
 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_H
 #define LLVM_CLANG_LIB_BASIC_TARGETS_H
 
-#include "clang/Basic/LangOptions.h"
-#include "clang/Basic/MacroBuilder.h"
+#include "TargetDefines.h"
 #include "clang/Basic/TargetInfo.h"
-#include "llvm/ADT/StringRef.h"
 
-namespace clang {
-namespace targets {
-
-LLVM_LIBRARY_VISIBILITY
-std::unique_ptr<clang::TargetInfo>
-AllocateTarget(const llvm::Triple &Triple, const clang::TargetOptions &Opts);
-
-/// DefineStd - Define a macro name and standard variants.  For example if
-/// MacroName is "unix", then this will define "__unix", "__unix__", and "unix"
-/// when in GNU mode.
-LLVM_LIBRARY_VISIBILITY
-void DefineStd(clang::MacroBuilder &Builder, llvm::StringRef MacroName,
-               const clang::LangOptions &Opts);
-
-LLVM_LIBRARY_VISIBILITY
-void defineCPUMacros(clang::MacroBuilder &Builder, llvm::StringRef CPUName,
-                     bool Tuning = true);
-
-LLVM_LIBRARY_VISIBILITY
-void addCygMingDefines(const clang::LangOptions &Opts,
-                       clang::MacroBuilder &Builder);
-} // namespace targets
-} // namespace clang
 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_H