[CodeGen] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC).
llvm-svn: 304839
diff --git a/llvm/lib/CodeGen/MIRParser/MIParser.h b/llvm/lib/CodeGen/MIRParser/MIParser.h
index 9b3879c..2307881 100644
--- a/llvm/lib/CodeGen/MIRParser/MIParser.h
+++ b/llvm/lib/CodeGen/MIRParser/MIParser.h
@@ -1,4 +1,4 @@
-//===- MIParser.h - Machine Instructions Parser ---------------------------===//
+//===- MIParser.h - Machine Instructions Parser -----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -15,21 +15,19 @@
#define LLVM_LIB_CODEGEN_MIRPARSER_MIPARSER_H
#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallSet.h"
+#include "llvm/ADT/StringMap.h"
+#include "llvm/Support/Allocator.h"
namespace llvm {
-class StringRef;
-class BasicBlock;
class MachineBasicBlock;
class MachineFunction;
-class MachineInstr;
-class MachineRegisterInfo;
class MDNode;
class RegisterBank;
struct SlotMapping;
class SMDiagnostic;
class SourceMgr;
+class StringRef;
class TargetRegisterClass;
struct VRegInfo {
@@ -45,8 +43,8 @@
unsigned PreferredReg = 0;
};
-typedef StringMap<const TargetRegisterClass*> Name2RegClassMap;
-typedef StringMap<const RegisterBank*> Name2RegBankMap;
+using Name2RegClassMap = StringMap<const TargetRegisterClass *>;
+using Name2RegBankMap = StringMap<const RegisterBank *>;
struct PerFunctionMIParsingState {
BumpPtrAllocator Allocator;
@@ -122,4 +120,4 @@
} // end namespace llvm
-#endif
+#endif // LLVM_LIB_CODEGEN_MIRPARSER_MIPARSER_H