[CodeGen] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC).
llvm-svn: 304954
diff --git a/llvm/lib/CodeGen/GCMetadataPrinter.cpp b/llvm/lib/CodeGen/GCMetadataPrinter.cpp
index d183c7f..bc7beb6 100644
--- a/llvm/lib/CodeGen/GCMetadataPrinter.cpp
+++ b/llvm/lib/CodeGen/GCMetadataPrinter.cpp
@@ -1,4 +1,4 @@
-//===-- GCMetadataPrinter.cpp - Garbage collection infrastructure ---------===//
+//===- GCMetadataPrinter.cpp - Garbage collection infrastructure ----------===//
//
// The LLVM Compiler Infrastructure
//
@@ -12,10 +12,11 @@
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/GCMetadataPrinter.h"
+
using namespace llvm;
LLVM_INSTANTIATE_REGISTRY(GCMetadataPrinterRegistry)
-GCMetadataPrinter::GCMetadataPrinter() {}
+GCMetadataPrinter::GCMetadataPrinter() = default;
-GCMetadataPrinter::~GCMetadataPrinter() {}
+GCMetadataPrinter::~GCMetadataPrinter() = default;