Eliminate lots of unnecessary #includes and forward decls

there are probably more to kill


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/MachineInstr.h

@@ -15,31 +15,11 @@
 #ifndef LLVM_CODEGEN_MACHINEINSTR_H
 #define LLVM_CODEGEN_MACHINEINSTR_H
 
-//************************** System Include Files **************************/
+#include "llvm/CodeGen/InstrForest.h"
-
-#include <string>
-#include <vector>
-
-//*************************** User Include Files ***************************/
-
 #include "llvm/Tools/DataTypes.h"
-#include "llvm/Instruction.h"
 #include "llvm/Support/Unique.h"
 #include "llvm/CodeGen/TargetMachine.h"
 
-
-//************************* Opaque Declarations ****************************/
-
-class Value;
-class InstrTreeNode;
-class InstructionNode;
-class MachineInstr;
-class MachineInstrInfo;
-class MachineOperand;
-
-
-//************************ Exported Data Types *****************************/
-
 //---------------------------------------------------------------------------
 // class MachineOperand 
 // 

include/llvm/CodeGen/Sparc.h

@@ -12,19 +12,7 @@
 #ifndef LLVM_CODEGEN_SPARC_H
 #define LLVM_CODEGEN_SPARC_H
 
-//************************** System Include Files **************************/
-
-//*************************** User Include Files ***************************/
-
 #include "llvm/CodeGen/TargetMachine.h"
-#include "llvm/CodeGen/MachineInstr.h"
-
-
-//************************* Opaque Declarations ****************************/
-
-
-//************************ Exported Constants ******************************/
-
 
 // OpCodeMask definitions for the Sparc V9
 // 
@@ -33,9 +21,6 @@ const OpCodeMask	Annul		= 0x20000000; // annul delay instr?
 const OpCodeMask	PredictTaken	= 0x00080000; // predict branch taken?
 
 
-//************************ Exported Data Types *****************************/
-
-
 //---------------------------------------------------------------------------
 // class UltraSparcMachine 
 // 

include/llvm/CodeGen/TargetMachine.h

@@ -12,21 +12,12 @@
 #ifndef LLVM_CODEGEN_TARGETMACHINE_H
 #define LLVM_CODEGEN_TARGETMACHINE_H
 
-//************************** System Include Files **************************/
-
-//*************************** User Include Files ***************************/
-
 #include "llvm/Support/Unique.h"
 #include "llvm/Tools/DataTypes.h"
-
+#include <string>
-//************************* Opaque Declarations ****************************/
 
 class Type;
 class StructType;
-class MachineInstrInfo;
-
-
-//************************ Exported Data Types *****************************/
 
 
 //---------------------------------------------------------------------------

include/llvm/DerivedTypes.h

@@ -13,10 +13,7 @@
 
 #include "llvm/Type.h"
 #include "llvm/CodeGen/TargetMachine.h"
-#include "vector"
+#include <vector>
-
-class TargetMachine;
-
 
 // Future derived types: SIMD packed format
 

lib/CodeGen/InstrSelection/InstrForest.cpp

@@ -25,7 +25,6 @@
 //*************************** User Include Files ***************************/
 
 #include "llvm/CodeGen/InstrForest.h"
-#include "llvm/Module.h"
 #include "llvm/Method.h"
 #include "llvm/iTerminators.h"
 #include "llvm/iMemory.h"
@@ -33,8 +32,6 @@
 #include "llvm/BasicBlock.h"
 #include "llvm/CodeGen/MachineInstr.h"
 
-//************************ Class Implementations **************************/
-
 
 //------------------------------------------------------------------------ 
 // class InstrTreeNode

lib/CodeGen/MachineInstr.cpp

@@ -12,22 +12,10 @@
 //	7/2/01	 -  Vikram Adve  -  Created
 //**************************************************************************/
 
-
-//************************** System Include Files **************************/
-
-#include <strstream.h>
-#include <string>
-#include <vector>
-
-//*************************** User Include Files ***************************/
-
-#include "llvm/Type.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/ConstPoolVals.h"
-#include "llvm/Value.h"
-#include "llvm/Instruction.h"
-#include "llvm/CodeGen/InstrForest.h"
 #include "llvm/CodeGen/MachineInstr.h"
+#include "llvm/ConstPoolVals.h"
+#include "llvm/Instruction.h"
+#include <strstream>
 
 //************************ Class Implementations **************************/
 

lib/CodeGen/TargetMachine/Sparc/Sparc.cpp

@@ -9,15 +9,8 @@
 //	7/15/01	 -  Vikram Adve  -  Created
 //**************************************************************************/
 
-
-//************************** System Include Files **************************/
-
-//*************************** User Include Files ***************************/
-
-#include "llvm/DerivedTypes.h"
 #include "llvm/CodeGen/Sparc.h"
 
-
 //************************ Exported Constants ******************************/
 
 

lib/CodeGen/TargetMachine/TargetMachine.cpp

@@ -10,23 +10,14 @@
 //**************************************************************************/
 
 
-//************************** System Include Files **************************/
-
 //*************************** User Include Files ***************************/
 
-#include "llvm/DerivedTypes.h"
 #include "llvm/CodeGen/TargetMachine.h"
-
+#include "llvm/DerivedTypes.h"
-
-//************************* Opaque Declarations ****************************/
-
-class StructType;
-class MachineInstrInfo;
 
 
 //************************ Class Implementations **************************/
 
-
 //---------------------------------------------------------------------------
 // function TargetMachine::findOptimalMemberOffsets 
 // 

lib/Target/SparcV9/InstrSelection/InstrForest.cpp

@@ -25,7 +25,6 @@
 //*************************** User Include Files ***************************/
 
 #include "llvm/CodeGen/InstrForest.h"
-#include "llvm/Module.h"
 #include "llvm/Method.h"
 #include "llvm/iTerminators.h"
 #include "llvm/iMemory.h"
@@ -33,8 +32,6 @@
 #include "llvm/BasicBlock.h"
 #include "llvm/CodeGen/MachineInstr.h"
 
-//************************ Class Implementations **************************/
-
 
 //------------------------------------------------------------------------ 
 // class InstrTreeNode