[WebAssembly] Clean up comments and fix a missing #include dependency.

[oota-llvm.git] / lib / Target / X86 / X86TargetMachine.h

diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h
index 49cf163e6ffe675adbba3db5d1cdbb55c0f33257..262955698e441b9442051ff3e264b807960e56b0 100644 (file)
--- a/lib/Target/X86/X86TargetMachine.h
+++ b/lib/Target/X86/X86TargetMachine.h
@@ -11,104 +11,37 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef X86TARGETMACHINE_H
-#define X86TARGETMACHINE_H
-
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetFrameInfo.h"
-#include "X86.h"
-#include "X86ELFWriterInfo.h"
+#ifndef LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H
+#define LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H
 #include "X86InstrInfo.h"
-#include "X86JITInfo.h"
 #include "X86Subtarget.h"
-#include "X86ISelLowering.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/Target/TargetMachine.h"
 
 namespace llvm {
-  
-class raw_ostream;
 
-class X86TargetMachine : public LLVMTargetMachine {
-  X86Subtarget      Subtarget;
-  const TargetData  DataLayout; // Calculates type size & alignment
-  TargetFrameInfo   FrameInfo;
-  X86InstrInfo      InstrInfo;
-  X86JITInfo        JITInfo;
-  X86TargetLowering TLInfo;
-  X86ELFWriterInfo  ELFWriterInfo;
-  Reloc::Model      DefRelocModel; // Reloc model before it's overridden.
+class StringRef;
 
-protected:
-  virtual const TargetAsmInfo *createTargetAsmInfo() const;
+class X86TargetMachine final : public LLVMTargetMachine {
+  std::unique_ptr<TargetLoweringObjectFile> TLOF;
+  X86Subtarget Subtarget;
 
-  // To avoid having target depend on the asmprinter stuff libraries, asmprinter
-  // set this functions to ctor pointer at startup time if they are linked in.
-  typedef FunctionPass *(*AsmPrinterCtorFn)(raw_ostream &o,
-                                            X86TargetMachine &tm,
-                                            bool fast);
-  static AsmPrinterCtorFn AsmPrinterCtor;
+  mutable StringMap<std::unique_ptr<X86Subtarget>> SubtargetMap;
 
 public:
-  X86TargetMachine(const Module &M, const std::string &FS, bool is64Bit);
+  X86TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
+                   StringRef FS, const TargetOptions &Options, Reloc::Model RM,
+                   CodeModel::Model CM, CodeGenOpt::Level OL);
+  ~X86TargetMachine() override;
+  const X86Subtarget *getSubtargetImpl(const Function &F) const override;
 
-  virtual const X86InstrInfo     *getInstrInfo() const { return &InstrInfo; }
-  virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
-  virtual       X86JITInfo       *getJITInfo()         { return &JITInfo; }
-  virtual const X86Subtarget     *getSubtargetImpl() const{ return &Subtarget; }
-  virtual       X86TargetLowering *getTargetLowering() const { 
-    return const_cast<X86TargetLowering*>(&TLInfo); 
-  }
-  virtual const X86RegisterInfo  *getRegisterInfo() const {
-    return &InstrInfo.getRegisterInfo();
-  }
-  virtual const TargetData       *getTargetData() const { return &DataLayout; }
-  virtual const X86ELFWriterInfo *getELFWriterInfo() const {
-    return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
-  }
-
-  static unsigned getModuleMatchQuality(const Module &M);
-  static unsigned getJITMatchQuality();
-
-  static void registerAsmPrinter(AsmPrinterCtorFn F) {
-    AsmPrinterCtor = F;
-  }
+  TargetIRAnalysis getTargetIRAnalysis() override;
 
   // Set up the pass pipeline.
-  virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
-  virtual bool addPreRegAlloc(PassManagerBase &PM, bool Fast);
-  virtual bool addPostRegAlloc(PassManagerBase &PM, bool Fast);
-  virtual bool addAssemblyEmitter(PassManagerBase &PM, bool Fast, 
-                                  raw_ostream &Out);
-  virtual bool addCodeEmitter(PassManagerBase &PM, bool Fast,
-                              bool DumpAsm, MachineCodeEmitter &MCE);
-  virtual bool addSimpleCodeEmitter(PassManagerBase &PM, bool Fast,
-                                    bool DumpAsm, MachineCodeEmitter &MCE);
-
-  /// symbolicAddressesAreRIPRel - Return true if symbolic addresses are
-  /// RIP-relative on this machine, taking into consideration the relocation
-  /// model and subtarget. RIP-relative addresses cannot have a separate
-  /// base or index register.
-  bool symbolicAddressesAreRIPRel() const;
-};
-
-/// X86_32TargetMachine - X86 32-bit target machine.
-///
-class X86_32TargetMachine : public X86TargetMachine {
-public:
-  X86_32TargetMachine(const Module &M, const std::string &FS);
-  
-  static unsigned getJITMatchQuality();
-  static unsigned getModuleMatchQuality(const Module &M);
-};
-
-/// X86_64TargetMachine - X86 64-bit target machine.
-///
-class X86_64TargetMachine : public X86TargetMachine {
-public:
-  X86_64TargetMachine(const Module &M, const std::string &FS);
-  
-  static unsigned getJITMatchQuality();
-  static unsigned getModuleMatchQuality(const Module &M);
+  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
+  TargetLoweringObjectFile *getObjFileLowering() const override {
+    return TLOF.get();
+  }
 };
 
 } // End llvm namespace