Hexagon: Remove forbidden iostream includes (it introduces static initializers)

Reorder includes while at it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149863 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Hexagon/HexagonCFGOptimizer.cpp b/lib/Target/Hexagon/HexagonCFGOptimizer.cpp
index 38000e7..433d71c 100644
--- a/lib/Target/Hexagon/HexagonCFGOptimizer.cpp
+++ b/lib/Target/Hexagon/HexagonCFGOptimizer.cpp
@@ -6,27 +6,22 @@
 //
 //===----------------------------------------------------------------------===//
 
-
 #define DEBUG_TYPE "hexagon_cfg"
-#include "llvm/CodeGen/Passes.h"
+#include "HexagonTargetMachine.h"
+#include "HexagonSubtarget.h"
+#include "HexagonMachineFunctionInfo.h"
 #include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineLoopInfo.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/Passes.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/ADT/Statistic.h"
 #include "llvm/Support/MathExtras.h"
-#include "llvm/CodeGen/MachineInstrBuilder.h"
-#include "HexagonTargetMachine.h"
-#include "HexagonSubtarget.h"
-#include "HexagonMachineFunctionInfo.h"
-#include <iostream>
-
-#include "llvm/Support/CommandLine.h"
 
 using namespace llvm;