Prune some includes and forward declarations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153429 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/MC/MCAsmBackend.h

@@ -12,7 +12,6 @@
 
 #include "llvm/MC/MCDirectives.h"
 #include "llvm/MC/MCFixup.h"
-#include "llvm/MC/MCFixupKindInfo.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/ErrorHandling.h"
 
@@ -20,15 +19,13 @@ namespace llvm {
 class MCAsmLayout;
 class MCAssembler;
 class MCELFObjectTargetWriter;
-class MCFixup;
+struct MCFixupKindInfo;
 class MCFragment;
 class MCInst;
 class MCInstFragment;
 class MCObjectWriter;
 class MCSection;
 class MCValue;
-template<typename T>
-class SmallVectorImpl;
 class raw_ostream;
 
 /// MCAsmBackend - Generic interface to target specific assembler backends.

include/llvm/MC/MCAssembler.h

@@ -25,7 +25,6 @@ namespace llvm {
 class raw_ostream;
 class MCAsmLayout;
 class MCAssembler;
-class MCBinaryExpr;
 class MCContext;
 class MCCodeEmitter;
 class MCExpr;

include/llvm/MC/MCCodeEmitter.h

@@ -10,12 +10,8 @@
 #ifndef LLVM_MC_MCCODEEMITTER_H
 #define LLVM_MC_MCCODEEMITTER_H
 
-#include "llvm/MC/MCFixup.h"
-
-#include <cassert>
-
 namespace llvm {
-class MCExpr;
+class MCFixup;
 class MCInst;
 class raw_ostream;
 template<typename T> class SmallVectorImpl;

include/llvm/MC/MCContext.h

@@ -16,7 +16,6 @@
 #include "llvm/ADT/StringMap.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/Compiler.h"
-#include "llvm/Support/SMLoc.h"
 #include "llvm/Support/raw_ostream.h"
 #include <vector> // FIXME: Shouldn't be needed.
 
@@ -31,6 +30,7 @@ namespace llvm {
   class MCObjectFileInfo;
   class MCRegisterInfo;
   class MCLineSection;
+  class SMLoc;
   class StringRef;
   class Twine;
   class MCSectionMachO;

include/llvm/MC/MCDwarf.h

@@ -17,20 +17,16 @@
 
 #include "llvm/ADT/StringRef.h"
 #include "llvm/MC/MachineLocation.h"
-#include "llvm/MC/MCObjectWriter.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/Dwarf.h"
 #include <vector>
 
 namespace llvm {
   class MCContext;
-  class MCExpr;
+  class MCObjectWriter;
   class MCSection;
-  class MCSectionData;
   class MCStreamer;
   class MCSymbol;
-  class MCObjectStreamer;
-  class raw_ostream;
   class SourceMgr;
   class SMLoc;
 

include/llvm/MC/MCELFObjectWriter.h

@@ -10,12 +10,19 @@
 #ifndef LLVM_MC_MCELFOBJECTWRITER_H
 #define LLVM_MC_MCELFOBJECTWRITER_H
 
-#include "llvm/MC/MCObjectWriter.h"
+#include "llvm/ADT/Triple.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/ELF.h"
 #include <vector>
 
 namespace llvm {
+class MCAssembler;
+class MCFixup;
+class MCFragment;
+class MCObjectWriter;
+class MCSymbol;
+class MCValue;
+
 /// @name Relocation Data
 /// @{
 

include/llvm/MC/MCExpr.h

@@ -15,7 +15,6 @@
 #include "llvm/Support/DataTypes.h"
 
 namespace llvm {
-class MCAsmInfo;
 class MCAsmLayout;
 class MCAssembler;
 class MCContext;

include/llvm/MC/MCObjectFileInfo.h

@@ -14,13 +14,12 @@
 #ifndef LLVM_MC_MCBJECTFILEINFO_H
 #define LLVM_MC_MCBJECTFILEINFO_H
 
-#include "llvm/MC/MCCodeGenInfo.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/MC/SectionKind.h"
+#include "llvm/Support/CodeGen.h"
 
 namespace llvm {
   class MCContext;
   class MCSection;
+  class StringRef;
   class Triple;
 
 class MCObjectFileInfo {  

include/llvm/MC/MCObjectWriter.h

@@ -10,7 +10,6 @@
 #ifndef LLVM_MC_MCOBJECTWRITER_H
 #define LLVM_MC_MCOBJECTWRITER_H
 
-#include "llvm/ADT/Triple.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/DataTypes.h"
 #include <cassert>
@@ -20,11 +19,9 @@ class MCAsmLayout;
 class MCAssembler;
 class MCFixup;
 class MCFragment;
-class MCSymbol;
 class MCSymbolData;
 class MCSymbolRefExpr;
 class MCValue;
-class raw_ostream;
 
 /// MCObjectWriter - Defines the object file and target independent interfaces
 /// used by the assembler backend to write native file format object files.

include/llvm/MC/MCSection.h

@@ -14,12 +14,10 @@
 #ifndef LLVM_MC_MCSECTION_H
 #define LLVM_MC_MCSECTION_H
 
-#include "llvm/ADT/StringRef.h"
 #include "llvm/MC/SectionKind.h"
 #include "llvm/Support/Casting.h"
 
 namespace llvm {
-  class MCContext;
   class MCAsmInfo;
   class raw_ostream;
 

include/llvm/MC/MCSectionCOFF.h

@@ -15,8 +15,8 @@
 #define LLVM_MC_MCSECTIONCOFF_H
 
 #include "llvm/MC/MCSection.h"
-
 #include "llvm/Support/COFF.h"
+#include "llvm/ADT/StringRef.h"
 
 namespace llvm {
 

include/llvm/MC/MCSectionELF.h

@@ -16,6 +16,7 @@
 
 #include "llvm/MC/MCSection.h"
 #include "llvm/Support/ELF.h"
+#include "llvm/ADT/StringRef.h"
 
 namespace llvm {
 

include/llvm/MC/MCSectionMachO.h

@@ -15,6 +15,7 @@
 #define LLVM_MC_MCSECTIONMACHO_H
 
 #include "llvm/MC/MCSection.h"
+#include "llvm/ADT/StringRef.h"
 
 namespace llvm {
 

include/llvm/MC/MCStreamer.h

@@ -23,7 +23,6 @@
 
 namespace llvm {
   class MCAsmBackend;
-  class MCAsmInfo;
   class MCCodeEmitter;
   class MCContext;
   class MCExpr;
@@ -32,7 +31,6 @@ namespace llvm {
   class MCSection;
   class MCSymbol;
   class StringRef;
-  class TargetLoweringObjectFile;
   class Twine;
   class raw_ostream;
   class formatted_raw_ostream;