[Hexagon] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@309230 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 6 deletions

diff --git a/lib/Target/Hexagon/HexagonBitTracker.h b/lib/Target/Hexagon/HexagonBitTracker.h
index 2cbf65e66ca..94accb17fab 100644
--- a/lib/Target/Hexagon/HexagonBitTracker.h
+++ b/lib/Target/Hexagon/HexagonBitTracker.h
@@ -1,4 +1,4 @@
-//===--- HexagonBitTracker.h ------------------------------------*- C++ -*-===//
+//===- HexagonBitTracker.h --------------------------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -18,12 +18,16 @@ namespace llvm {
 
 class HexagonInstrInfo;
 class HexagonRegisterInfo;
+class MachineFrameInfo;
+class MachineFunction;
+class MachineInstr;
+class MachineRegisterInfo;
 
 struct HexagonEvaluator : public BitTracker::MachineEvaluator {
-  typedef BitTracker::CellMapType CellMapType;
-  typedef BitTracker::RegisterRef RegisterRef;
-  typedef BitTracker::RegisterCell RegisterCell;
-  typedef BitTracker::BranchTargetList BranchTargetList;
+  using CellMapType = BitTracker::CellMapType;
+  using RegisterRef = BitTracker::RegisterRef;
+  using RegisterCell = BitTracker::RegisterCell;
+  using BranchTargetList = BitTracker::BranchTargetList;
 
   HexagonEvaluator(const HexagonRegisterInfo &tri, MachineRegisterInfo &mri,
                    const HexagonInstrInfo &tii, MachineFunction &mf);
@@ -59,7 +63,7 @@ private:
     uint16_t Width = 0;
   };
   // Map VR -> extension type.
-  typedef DenseMap<unsigned, ExtType> RegExtMap;
+  using RegExtMap = DenseMap<unsigned, ExtType>;
   RegExtMap VRX;
 };