Cleanup includes: Linker

[serge-sans-paille]

Summary

Discourse thread: https://discourse.llvm.org/t/include-what-you-use-include-cleanup

before: 1077325405
after: 1077318105

[MaskRay]

LGTM.

llvm/lib/Linker/IRMover.cpp

 //===- lib/Linker/IRMover.cpp ---------------------------------------------===//
 //
 // 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
 //
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Linker/IRMover.h"
 #include "LinkDiagnosticInfo.h"
 #include "llvm/ADT/SetVector.h"
+#include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/IR/Constants.h"
-#include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/DiagnosticPrinter.h"
+#include "llvm/IR/Function.h"
 #include "llvm/IR/GVMaterializer.h"
+#include "llvm/IR/GlobalValue.h"
 #include "llvm/IR/Intrinsics.h"
+#include "llvm/IR/Module.h"
 #include "llvm/IR/PseudoProbe.h"
 #include "llvm/IR/TypeFinder.h"
 #include "llvm/Object/ModuleSymbolTable.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/Path.h"
-#include "llvm/Transforms/Utils/Cloning.h"
+#include "llvm/Transforms/Utils/ValueMapper.h"
 #include <utility>
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//
 // TypeMap implementation.
 //===----------------------------------------------------------------------===//
 
 namespace {

llvm/lib/Linker/LinkModules.cpp

 //===- lib/Linker/LinkModules.cpp - Module Linker Implementation ----------===//
 //
 // 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 implements the LLVM module linker.
 //
 //===----------------------------------------------------------------------===//
 
 #include "LinkDiagnosticInfo.h"
 #include "llvm-c/Linker.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/IR/Comdat.h"
-#include "llvm/IR/DiagnosticPrinter.h"
 #include "llvm/IR/GlobalValue.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Linker/Linker.h"
 #include "llvm/Support/Error.h"
 using namespace llvm;
 
 namespace {