//===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
//===----------------------------------------------------------------------===//
-//
+//
// This file declares the X86 specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//
#define X86TARGETMACHINE_H
#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetFrameInfo.h"
-#include "llvm/PassManager.h"
+#include "X86.h"
+#include "X86ELFWriterInfo.h"
#include "X86InstrInfo.h"
+#include "X86JITInfo.h"
+#include "X86Subtarget.h"
+#include "X86ISelLowering.h"
+#include "X86SelectionDAGInfo.h"
-class X86TargetMachine : public TargetMachine {
- X86InstrInfo InstrInfo;
- TargetFrameInfo FrameInfo;
-public:
- X86TargetMachine(const Module &M);
-
- virtual const X86InstrInfo &getInstrInfo() const { return InstrInfo; }
- virtual const TargetFrameInfo &getFrameInfo() const { return FrameInfo; }
- virtual const MRegisterInfo *getRegisterInfo() const {
- return &InstrInfo.getRegisterInfo();
- }
-
- virtual const TargetSchedInfo &getSchedInfo() const { abort(); }
- virtual const TargetRegInfo &getRegInfo() const { abort(); }
- virtual const TargetCacheInfo &getCacheInfo() const { abort(); }
-
- /// addPassesToJITCompile - Add passes to the specified pass manager to
- /// implement a fast dynamic compiler for this target. Return true if this is
- /// not supported for this target.
- ///
- virtual bool addPassesToJITCompile(FunctionPassManager &PM);
-
- /// addPassesToEmitMachineCode - Add passes to the specified pass manager to
- /// get machine code emitted. This uses a MachineCodeEmitter object to handle
- /// actually outputting the machine code and resolving things like the address
- /// of functions. This method should returns true if machine code emission is
- /// not supported.
- ///
- virtual bool addPassesToEmitMachineCode(FunctionPassManager &PM,
- MachineCodeEmitter &MCE);
+namespace llvm {
- virtual bool addPassesToEmitAssembly(PassManager &PM, std::ostream &Out);
+class formatted_raw_ostream;
+
+class X86TargetMachine : public LLVMTargetMachine {
+ X86Subtarget Subtarget;
+ TargetFrameInfo FrameInfo;
+ X86ELFWriterInfo ELFWriterInfo;
+ Reloc::Model DefRelocModel; // Reloc model before it's overridden.
+
+private:
+ // We have specific defaults for X86.
+ virtual void setCodeModelForJIT();
+ virtual void setCodeModelForStatic();
+
+public:
+ X86TargetMachine(const Target &T, const std::string &TT,
+ const std::string &FS, bool is64Bit);
+
+ virtual const X86InstrInfo *getInstrInfo() const {
+ llvm_unreachable("getInstrInfo not implemented");
+ }
+ virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
+ virtual X86JITInfo *getJITInfo() {
+ llvm_unreachable("getJITInfo not implemented");
+ }
+ virtual const X86Subtarget *getSubtargetImpl() const{ return &Subtarget; }
+ virtual const X86TargetLowering *getTargetLowering() const {
+ llvm_unreachable("getTargetLowering not implemented");
+ }
+ virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
+ llvm_unreachable("getSelectionDAGInfo not implemented");
+ }
+ virtual const X86RegisterInfo *getRegisterInfo() const {
+ return &getInstrInfo()->getRegisterInfo();
+ }
+ virtual const X86ELFWriterInfo *getELFWriterInfo() const {
+ return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
+ }
- virtual void replaceMachineCodeForFunction (void *Old, void *New);
+ // Set up the pass pipeline.
+ virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
+ JITCodeEmitter &JCE);
};
+/// X86_32TargetMachine - X86 32-bit target machine.
+///
+class X86_32TargetMachine : public X86TargetMachine {
+ const TargetData DataLayout; // Calculates type size & alignment
+ X86InstrInfo InstrInfo;
+ X86SelectionDAGInfo TSInfo;
+ X86TargetLowering TLInfo;
+ X86JITInfo JITInfo;
+public:
+ X86_32TargetMachine(const Target &T, const std::string &M,
+ const std::string &FS);
+ virtual const TargetData *getTargetData() const { return &DataLayout; }
+ virtual const X86TargetLowering *getTargetLowering() const {
+ return &TLInfo;
+ }
+ virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
+ return &TSInfo;
+ }
+ virtual const X86InstrInfo *getInstrInfo() const {
+ return &InstrInfo;
+ }
+ virtual X86JITInfo *getJITInfo() {
+ return &JITInfo;
+ }
+};
+
+/// X86_64TargetMachine - X86 64-bit target machine.
+///
+class X86_64TargetMachine : public X86TargetMachine {
+ const TargetData DataLayout; // Calculates type size & alignment
+ X86InstrInfo InstrInfo;
+ X86SelectionDAGInfo TSInfo;
+ X86TargetLowering TLInfo;
+ X86JITInfo JITInfo;
+public:
+ X86_64TargetMachine(const Target &T, const std::string &TT,
+ const std::string &FS);
+ virtual const TargetData *getTargetData() const { return &DataLayout; }
+ virtual const X86TargetLowering *getTargetLowering() const {
+ return &TLInfo;
+ }
+ virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
+ return &TSInfo;
+ }
+ virtual const X86InstrInfo *getInstrInfo() const {
+ return &InstrInfo;
+ }
+ virtual X86JITInfo *getJITInfo() {
+ return &JITInfo;
+ }
+};
+
+} // End llvm namespace
+
#endif