[Transforms] Fix some Clang-tidy modernize and Include What You Use w…

…arnings; other minor fixes (NFC).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316253 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Transforms/PGOInstrumentation.h

@@ -1,24 +1,32 @@
-//===- Transforms/PGOInstrumentation.h - PGO gen/use passes  ---*- C++ -*-===//
+//===- Transforms/PGOInstrumentation.h - PGO gen/use passes -----*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
+//
 /// \file
 /// This file provides the interface for IR based instrumentation passes (
 /// (profile-gen, and profile-use).
+//
 //===----------------------------------------------------------------------===//
 
 #ifndef LLVM_TRANSFORMS_PGOINSTRUMENTATION_H
 #define LLVM_TRANSFORMS_PGOINSTRUMENTATION_H
 
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/IR/PassManager.h"
-#include "llvm/Transforms/Instrumentation.h"
+#include <cstdint>
+#include <string>
 
 namespace llvm {
 
+class Function;
+class Instruction;
+class Module;
+
 /// The instrumentation (profile-instr-gen) pass for IR based PGO.
 class PGOInstrumentationGen : public PassInfoMixin<PGOInstrumentationGen> {
 public:
@@ -28,9 +36,10 @@ class PGOInstrumentationGen : public PassInfoMixin<PGOInstrumentationGen> {
 /// The profile annotation (profile-instr-use) pass for IR based PGO.
 class PGOInstrumentationUse : public PassInfoMixin<PGOInstrumentationUse> {
 public:
-  PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
   PGOInstrumentationUse(std::string Filename = "");
 
+  PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
+
 private:
   std::string ProfileFileName;
 };
@@ -40,6 +49,7 @@ class PGOIndirectCallPromotion : public PassInfoMixin<PGOIndirectCallPromotion>
 public:
   PGOIndirectCallPromotion(bool IsInLTO = false, bool SamplePGO = false)
       : InLTO(IsInLTO), SamplePGO(SamplePGO) {}
+
   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
 
 private:
@@ -50,12 +60,14 @@ class PGOIndirectCallPromotion : public PassInfoMixin<PGOIndirectCallPromotion>
 /// The profile size based optimization pass for memory intrinsics.
 class PGOMemOPSizeOpt : public PassInfoMixin<PGOMemOPSizeOpt> {
 public:
-  PGOMemOPSizeOpt() {}
+  PGOMemOPSizeOpt() = default;
+
   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
 };
 
 void setProfMetadata(Module *M, Instruction *TI, ArrayRef<uint64_t> EdgeCounts,
                      uint64_t MaxCount);
 
-} // End llvm namespace
-#endif
+} // end namespace llvm
+
+#endif // LLVM_TRANSFORMS_PGOINSTRUMENTATION_H