Move unreferenced passes into the cpp file

NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231661 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/Mips/MipsModuleISelDAGToDAG.cpp

@@ -10,13 +10,38 @@
 
 #include "MipsISelDAGToDAG.h"
 #include "MipsModuleISelDAGToDAG.h"
+#include "MipsTargetMachine.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
+using namespace llvm;
 
 #define DEBUG_TYPE "mips-isel"
 
-namespace llvm {
+namespace {
+//===----------------------------------------------------------------------===//
+// MipsModuleDAGToDAGISel - MIPS specific code to select MIPS machine
+// instructions for SelectionDAG operations.
+//===----------------------------------------------------------------------===//
+class MipsModuleDAGToDAGISel : public MachineFunctionPass {
+public:
+
+  static char ID;
+
+  explicit MipsModuleDAGToDAGISel(MipsTargetMachine &TM_)
+      : MachineFunctionPass(ID), TM(TM_) {}
+
+  // Pass Name
+  const char *getPassName() const override {
+    return "MIPS DAG->DAG Pattern Instruction Selection";
+  }
+
+  bool runOnMachineFunction(MachineFunction &MF) override;
+
+protected:
+  MipsTargetMachine &TM;
+};
+} // namespace
 
 bool MipsModuleDAGToDAGISel::runOnMachineFunction(MachineFunction &MF) {
   DEBUG(errs() << "In MipsModuleDAGToDAGISel::runMachineFunction\n");
@@ -26,9 +51,6 @@ bool MipsModuleDAGToDAGISel::runOnMachineFunction(MachineFunction &MF) {
 
 char MipsModuleDAGToDAGISel::ID = 0;
 
-}
-
-
 llvm::FunctionPass *llvm::createMipsModuleISelDag(MipsTargetMachine &TM) {
   return new MipsModuleDAGToDAGISel(TM);
 }