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/Assembly/AssemblyAnnotationWriter.h

@@ -23,7 +23,6 @@ class Function;
 class BasicBlock;
 class Instruction;
 class Value;
-class raw_ostream;
 class formatted_raw_ostream;
 
 class AssemblyAnnotationWriter {

include/llvm/Assembly/Parser.h

@@ -21,7 +21,6 @@ namespace llvm {
 class Module;
 class MemoryBuffer;
 class SMDiagnostic;
-class raw_ostream;
 class LLVMContext;
 
 /// This function is the main interface to the LLVM Assembly Parser. It parses

include/llvm/Assembly/Writer.h

@@ -19,7 +19,6 @@
 
 namespace llvm {
 
-class Type;
 class Module;
 class Value;
 class raw_ostream;

include/llvm/InlineAsm.h

@@ -17,6 +17,7 @@
 #define LLVM_INLINEASM_H
 
 #include "llvm/Value.h"
+#include "llvm/ADT/StringRef.h"
 #include <vector>
 
 namespace llvm {

include/llvm/Linker.h

@@ -15,14 +15,15 @@
 #define LLVM_LINKER_H
 
 #include <memory>
+#include <string>
 #include <vector>
-#include "llvm/ADT/StringRef.h"
 
 namespace llvm {
   namespace sys { class Path; }
 
 class Module;
 class LLVMContext;
+class StringRef;
 
 /// This class provides the core functionality of linking in LLVM. It retains a
 /// Module object which is the composite of the modules and libraries linked

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;

include/llvm/Value.h

@@ -15,7 +15,6 @@
 #define LLVM_VALUE_H
 
 #include "llvm/Use.h"
-#include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Casting.h"
 
 namespace llvm {
@@ -31,8 +30,6 @@ class GlobalAlias;
 class InlineAsm;
 class ValueSymbolTable;
 template<typename ValueTy> class StringMapEntry;
-template <typename ValueTy = Value>
-class AssertingVH;
 typedef StringMapEntry<Value*> ValueName;
 class raw_ostream;
 class AssemblyAnnotationWriter;
@@ -41,6 +38,7 @@ class LLVMContext;
 class Twine;
 class MDNode;
 class Type;
+class StringRef;
 
 //===----------------------------------------------------------------------===//
 //                                 Value Class

lib/CodeGen/AsmPrinter/DwarfAccelTable.cpp

@@ -11,14 +11,15 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "DwarfAccelTable.h"
+#include "DwarfDebug.h"
+#include "DIE.h"
+#include "llvm/ADT/Twine.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/Debug.h"
-#include "DwarfAccelTable.h"
-#include "DwarfDebug.h"
-#include "DIE.h"
 
 using namespace llvm;
 

lib/MC/ELFObjectWriter.cpp

@@ -17,7 +17,6 @@
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringMap.h"
-#include "llvm/ADT/Twine.h"
 #include "llvm/MC/MCAsmBackend.h"
 #include "llvm/MC/MCAsmLayout.h"
 #include "llvm/MC/MCAssembler.h"
@@ -25,13 +24,13 @@
 #include "llvm/MC/MCELFObjectWriter.h"
 #include "llvm/MC/MCELFSymbolFlags.h"
 #include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCFixupKindInfo.h"
+#include "llvm/MC/MCObjectWriter.h"
 #include "llvm/MC/MCSectionELF.h"
 #include "llvm/MC/MCValue.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/ELF.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/ADT/StringSwitch.h"
 
 #include <vector>
 using namespace llvm;

lib/MC/MCAsmBackend.cpp

@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/MC/MCAsmBackend.h"
+#include "llvm/MC/MCFixupKindInfo.h"
 using namespace llvm;
 
 MCAsmBackend::MCAsmBackend()

lib/MC/MCAssembler.cpp

@@ -13,13 +13,13 @@
 #include "llvm/MC/MCCodeEmitter.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCFixupKindInfo.h"
 #include "llvm/MC/MCObjectWriter.h"
 #include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCValue.h"
 #include "llvm/MC/MCDwarf.h"
 #include "llvm/MC/MCAsmBackend.h"
-#include "llvm/ADT/OwningPtr.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/Twine.h"

lib/MC/MCExpr.cpp

@@ -14,6 +14,7 @@
 #include "llvm/MC/MCAsmLayout.h"
 #include "llvm/MC/MCAssembler.h"
 #include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCObjectWriter.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCValue.h"
 #include "llvm/Support/Debug.h"

lib/MC/MCObjectStreamer.cpp

@@ -7,17 +7,17 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCObjectStreamer.h"
-
-#include "llvm/Support/ErrorHandling.h"
+#include "llvm/MC/MCAsmBackend.h"
+#include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCAssembler.h"
 #include "llvm/MC/MCCodeEmitter.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCDwarf.h"
 #include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCObjectWriter.h"
 #include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MCAsmBackend.h"
+#include "llvm/Support/ErrorHandling.h"
 using namespace llvm;
 
 MCObjectStreamer::MCObjectStreamer(MCContext &Context, MCAsmBackend &TAB,

lib/MC/MachObjectWriter.cpp

@@ -8,13 +8,13 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/MC/MCMachObjectWriter.h"
-#include "llvm/ADT/OwningPtr.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/MC/MCAssembler.h"
 #include "llvm/MC/MCAsmBackend.h"
 #include "llvm/MC/MCAsmLayout.h"
 #include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCFixupKindInfo.h"
 #include "llvm/MC/MCObjectWriter.h"
 #include "llvm/MC/MCSectionMachO.h"
 #include "llvm/MC/MCSymbol.h"

lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp

@@ -16,6 +16,7 @@
 #include "llvm/MC/MCDirectives.h"
 #include "llvm/MC/MCELFObjectWriter.h"
 #include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCFixupKindInfo.h"
 #include "llvm/MC/MCMachObjectWriter.h"
 #include "llvm/MC/MCObjectWriter.h"
 #include "llvm/MC/MCSectionELF.h"

lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp

@@ -11,6 +11,7 @@
 #include "MCTargetDesc/ARMMCTargetDesc.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/MC/MCELFObjectWriter.h"

lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp

@@ -14,19 +14,13 @@
 
 #include "MipsFixupKinds.h"
 #include "MCTargetDesc/MipsMCTargetDesc.h"
-#include "llvm/ADT/Twine.h"
 #include "llvm/MC/MCAsmBackend.h"
 #include "llvm/MC/MCAssembler.h"
 #include "llvm/MC/MCDirectives.h"
 #include "llvm/MC/MCELFObjectWriter.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCMachObjectWriter.h"
+#include "llvm/MC/MCFixupKindInfo.h"
 #include "llvm/MC/MCObjectWriter.h"
-#include "llvm/MC/MCSectionELF.h"
-#include "llvm/MC/MCSectionMachO.h"
 #include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/Object/MachOFormat.h"
-#include "llvm/Support/ELF.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 

lib/Target/PowerPC/MCTargetDesc/PPCAsmBackend.cpp

@@ -11,6 +11,7 @@
 #include "MCTargetDesc/PPCFixupKinds.h"
 #include "llvm/MC/MCAsmBackend.h"
 #include "llvm/MC/MCELFObjectWriter.h"
+#include "llvm/MC/MCFixupKindInfo.h"
 #include "llvm/MC/MCMachObjectWriter.h"
 #include "llvm/MC/MCSectionMachO.h"
 #include "llvm/MC/MCObjectWriter.h"

lib/Target/TargetMachine.cpp

@@ -14,7 +14,6 @@
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCCodeGenInfo.h"
 #include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetOptions.h"
 #include "llvm/Support/CommandLine.h"
 using namespace llvm;
 

lib/Transforms/Scalar/Reassociate.cpp

@@ -74,7 +74,7 @@ static void PrintOps(Instruction *I, const SmallVectorImpl<ValueEntry> &Ops) {
 namespace {
   class Reassociate : public FunctionPass {
     DenseMap<BasicBlock*, unsigned> RankMap;
-    DenseMap<AssertingVH<>, unsigned> ValueRankMap;
+    DenseMap<AssertingVH<Value>, unsigned> ValueRankMap;
     SmallVector<WeakVH, 8> RedoInsts;
     SmallVector<WeakVH, 8> DeadInsts;
     bool MadeChange;
@@ -210,7 +210,7 @@ static BinaryOperator *isReassociableOp(Value *V, unsigned Opcode) {
 /// LowerNegateToMultiply - Replace 0-X with X*-1.
 ///
 static Instruction *LowerNegateToMultiply(Instruction *Neg,
-                              DenseMap<AssertingVH<>, unsigned> &ValueRankMap) {
+                         DenseMap<AssertingVH<Value>, unsigned> &ValueRankMap) {
   Constant *Cst = Constant::getAllOnesValue(Neg->getType());
 
   Instruction *Res = BinaryOperator::CreateMul(Neg->getOperand(1), Cst, "",Neg);
@@ -492,7 +492,7 @@ static bool ShouldBreakUpSubtract(Instruction *Sub) {
 /// only used by an add, transform this into (X+(0-Y)) to promote better
 /// reassociation.
 static Instruction *BreakUpSubtract(Instruction *Sub,
-                              DenseMap<AssertingVH<>, unsigned> &ValueRankMap) {
+                         DenseMap<AssertingVH<Value>, unsigned> &ValueRankMap) {
   // Convert a subtract into an add and a neg instruction. This allows sub
   // instructions to be commuted with other add instructions.
   //
@@ -517,8 +517,8 @@ static Instruction *BreakUpSubtract(Instruction *Sub,
 /// ConvertShiftToMul - If this is a shift of a reassociable multiply or is used
 /// by one, change this into a multiply by a constant to assist with further
 /// reassociation.
-static Instruction *ConvertShiftToMul(Instruction *Shl, 
-                              DenseMap<AssertingVH<>, unsigned> &ValueRankMap) {
+static Instruction *ConvertShiftToMul(Instruction *Shl,
+                         DenseMap<AssertingVH<Value>, unsigned> &ValueRankMap) {
   // If an operand of this shift is a reassociable multiply, or if the shift
   // is used by a reassociable multiply or add, turn into a multiply.
   if (isReassociableOp(Shl->getOperand(0), Instruction::Mul) ||