Tidy up #includes, deleting a bunch of unnecessary #includes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61715 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/AsmPrinter.h

@@ -30,7 +30,6 @@ namespace llvm {
   class ConstantVector;
   class GCMetadataPrinter;
   class GlobalVariable;
-  class GlobalAlias;
   class MachineConstantPoolEntry;
   class MachineConstantPoolValue;
   class MachineModuleInfo;

include/llvm/CodeGen/BreakCriticalMachineEdge.h

@@ -1,4 +1,4 @@
-//===--------- BreakCriticalMachineEdges.h - Break critical edges ---------===//
+//===--------- BreakCriticalMachineEdge.h - Break critical edges ---------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -11,8 +11,8 @@
 //
 //===---------------------------------------------------------------------===//
 
-#ifndef LLVM_CODEGEN_BREAKCRITICALMACHINEEDGES_H
-#define LLVM_CODEGEN_BREAKCRITICALMACHINEEDGES_H
+#ifndef LLVM_CODEGEN_BREAKCRITICALMACHINEEDGE_H
+#define LLVM_CODEGEN_BREAKCRITICALMACHINEEDGE_H
 
 #include "llvm/CodeGen/MachineJumpTableInfo.h"
 #include "llvm/Target/TargetInstrInfo.h"

include/llvm/CodeGen/DwarfWriter.h

@@ -20,8 +20,6 @@
 #ifndef LLVM_CODEGEN_DWARFWRITER_H
 #define LLVM_CODEGEN_DWARFWRITER_H
 
-#include <iosfwd>
-
 namespace llvm {
 
 class AsmPrinter;
@@ -48,7 +46,6 @@ private:
   DwarfException *DE;
   
 public:
-  
   DwarfWriter(raw_ostream &OS, AsmPrinter *A, const TargetAsmInfo *T);
   virtual ~DwarfWriter();
   

include/llvm/CodeGen/ELFRelocation.h

@@ -49,4 +49,3 @@ namespace llvm {
 } // end llvm namespace
 
 #endif // LLVM_CODEGEN_ELF_RELOCATION_H
-

include/llvm/CodeGen/FastISel.h

@@ -14,7 +14,6 @@
 #ifndef LLVM_CODEGEN_FASTISEL_H
 #define LLVM_CODEGEN_FASTISEL_H
 
-#include "llvm/BasicBlock.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/CodeGen/SelectionDAGNodes.h"

include/llvm/CodeGen/FileWriters.h

@@ -14,8 +14,6 @@
 #ifndef LLVM_CODEGEN_FILEWRITERS_H
 #define LLVM_CODEGEN_FILEWRITERS_H
 
-#include <iosfwd>
-
 namespace llvm {
 
   class PassManagerBase;

include/llvm/CodeGen/GCMetadataPrinter.h

@@ -23,8 +23,6 @@
 #include "llvm/CodeGen/GCMetadata.h"
 #include "llvm/CodeGen/GCStrategy.h"
 #include "llvm/Support/Registry.h"
-#include <iosfwd>
-#include <string>
 
 namespace llvm {
   

include/llvm/CodeGen/GCStrategy.h

@@ -38,7 +38,6 @@
 
 #include "llvm/CodeGen/GCMetadata.h"
 #include "llvm/Support/Registry.h"
-#include <iosfwd>
 #include <string>
 
 namespace llvm {

include/llvm/CodeGen/LinkAllAsmWriterComponents.h

@@ -34,4 +34,3 @@ namespace {
 }
 
 #endif // LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
-

include/llvm/CodeGen/LiveIntervalAnalysis.h

@@ -24,7 +24,6 @@
 #include "llvm/CodeGen/LiveInterval.h"
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/Allocator.h"
 #include <cmath>

include/llvm/CodeGen/LiveVariables.h

@@ -32,7 +32,6 @@
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 
 namespace llvm {

include/llvm/CodeGen/MachineConstantPool.h

@@ -20,7 +20,6 @@
 
 namespace llvm {
 
-class AsmPrinter;
 class Constant;
 class FoldingSetNodeID;
 class TargetData;

include/llvm/CodeGen/MachineDominators.h

@@ -16,9 +16,6 @@
 #define LLVM_CODEGEN_MACHINEDOMINATORS_H
 
 #include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/Analysis/Dominators.h"
 #include "llvm/Analysis/DominatorInternals.h"
 
@@ -45,21 +42,13 @@ public:
   static char ID; // Pass ID, replacement for typeid
   DominatorTreeBase<MachineBasicBlock>* DT;
   
-  MachineDominatorTree() : MachineFunctionPass(intptr_t(&ID)) {
-    DT = new DominatorTreeBase<MachineBasicBlock>(false);
-  }
+  MachineDominatorTree();
   
-  ~MachineDominatorTree() {
-    DT->releaseMemory();
-    delete DT;
-  }
+  ~MachineDominatorTree();
   
   DominatorTreeBase<MachineBasicBlock>& getBase() { return *DT; }
   
-  virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-    AU.setPreservesAll();
-    MachineFunctionPass::getAnalysisUsage(AU);
-  }
+  virtual void getAnalysisUsage(AnalysisUsage &AU) const;
   
   /// getRoots -  Return the root blocks of the current CFG.  This may include
   /// multiple blocks if we are computing post dominators.  For forward
@@ -77,11 +66,7 @@ public:
     return DT->getRootNode();
   }
   
-  virtual bool runOnMachineFunction(MachineFunction &F) {
-    DT->recalculate(F);
-    
-    return false;
-  }
+  virtual bool runOnMachineFunction(MachineFunction &F);
   
   inline bool dominates(MachineDomTreeNode* A, MachineDomTreeNode* B) const {
     return DT->dominates(A, B);
@@ -173,9 +158,7 @@ public:
   }
   
   
-  virtual void releaseMemory() { 
-    DT->releaseMemory();
-  }
+  virtual void releaseMemory();
   
   virtual void print(std::ostream &OS, const Module* M= 0) const {
     DT->print(OS, M);

include/llvm/CodeGen/MachineInstrBuilder.h

@@ -17,7 +17,6 @@
 #ifndef LLVM_CODEGEN_MACHINEINSTRBUILDER_H
 #define LLVM_CODEGEN_MACHINEINSTRBUILDER_H
 
-#include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineFunction.h"
 
 namespace llvm {

include/llvm/CodeGen/MachineLoopInfo.h

@@ -31,9 +31,6 @@
 #define LLVM_CODEGEN_MACHINE_LOOP_INFO_H
 
 #include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/Analysis/LoopInfo.h"
 
 namespace llvm {

include/llvm/CodeGen/RegisterCoalescer.h

@@ -13,22 +13,18 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/System/IncludeFile.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/CodeGen/LiveIntervalAnalysis.h"
-#include "llvm/CodeGen/LiveVariables.h"
-#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/CodeGen/LiveInterval.h"
+#include "llvm/ADT/SmallPtrSet.h"
 
 #ifndef LLVM_CODEGEN_REGISTER_COALESCER_H
 #define LLVM_CODEGEN_REGISTER_COALESCER_H
 
-namespace llvm 
-{
+namespace llvm {
+
   class MachineFunction;
   class RegallocQuery;
   class AnalysisUsage;
-  class LiveIntervals;
   class MachineInstr;
-  class TargetRegisterInfo;
 
   /// An abstract interface for register coalescers.  Coalescers must
   /// implement this interface to be part of the coalescer analysis

include/llvm/CodeGen/SelectionDAGNodes.h

@@ -19,7 +19,6 @@
 #ifndef LLVM_CODEGEN_SELECTIONDAGNODES_H
 #define LLVM_CODEGEN_SELECTIONDAGNODES_H
 
-#include "llvm/Value.h"
 #include "llvm/Constants.h"
 #include "llvm/ADT/FoldingSet.h"
 #include "llvm/ADT/GraphTraits.h"