aboutsummaryrefslogtreecommitdiff
path: root/contrib/llvm/lib/Target/ARM/ARMTargetMachine.h
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm/lib/Target/ARM/ARMTargetMachine.h')
-rw-r--r--contrib/llvm/lib/Target/ARM/ARMTargetMachine.h143
1 files changed, 143 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/ARM/ARMTargetMachine.h b/contrib/llvm/lib/Target/ARM/ARMTargetMachine.h
new file mode 100644
index 000000000000..e0aa149c4cc2
--- /dev/null
+++ b/contrib/llvm/lib/Target/ARM/ARMTargetMachine.h
@@ -0,0 +1,143 @@
+//===-- ARMTargetMachine.h - Define TargetMachine for ARM -------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the ARM specific subclass of TargetMachine.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef ARMTARGETMACHINE_H
+#define ARMTARGETMACHINE_H
+
+#include "ARMInstrInfo.h"
+#include "ARMELFWriterInfo.h"
+#include "ARMFrameLowering.h"
+#include "ARMJITInfo.h"
+#include "ARMSubtarget.h"
+#include "ARMISelLowering.h"
+#include "ARMSelectionDAGInfo.h"
+#include "Thumb1InstrInfo.h"
+#include "Thumb1FrameLowering.h"
+#include "Thumb2InstrInfo.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetData.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/ADT/OwningPtr.h"
+
+namespace llvm {
+
+class ARMBaseTargetMachine : public LLVMTargetMachine {
+protected:
+ ARMSubtarget Subtarget;
+private:
+ ARMJITInfo JITInfo;
+ InstrItineraryData InstrItins;
+ Reloc::Model DefRelocModel; // Reloc model before it's overridden.
+
+public:
+ ARMBaseTargetMachine(const Target &T, const std::string &TT,
+ const std::string &FS, bool isThumb);
+
+ virtual ARMJITInfo *getJITInfo() { return &JITInfo; }
+ virtual const ARMSubtarget *getSubtargetImpl() const { return &Subtarget; }
+ virtual const InstrItineraryData *getInstrItineraryData() const {
+ return &InstrItins;
+ }
+
+ // Pass Pipeline Configuration
+ virtual bool addPreISel(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addPreSched2(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
+ JITCodeEmitter &MCE);
+};
+
+/// ARMTargetMachine - ARM target machine.
+///
+class ARMTargetMachine : public ARMBaseTargetMachine {
+ ARMInstrInfo InstrInfo;
+ const TargetData DataLayout; // Calculates type size & alignment
+ ARMELFWriterInfo ELFWriterInfo;
+ ARMTargetLowering TLInfo;
+ ARMSelectionDAGInfo TSInfo;
+ ARMFrameLowering FrameLowering;
+ public:
+ ARMTargetMachine(const Target &T, const std::string &TT,
+ const std::string &FS);
+
+ virtual const ARMRegisterInfo *getRegisterInfo() const {
+ return &InstrInfo.getRegisterInfo();
+ }
+
+ virtual const ARMTargetLowering *getTargetLowering() const {
+ return &TLInfo;
+ }
+
+ virtual const ARMSelectionDAGInfo* getSelectionDAGInfo() const {
+ return &TSInfo;
+ }
+ virtual const ARMFrameLowering *getFrameLowering() const {
+ return &FrameLowering;
+ }
+
+ virtual const ARMInstrInfo *getInstrInfo() const { return &InstrInfo; }
+ virtual const TargetData *getTargetData() const { return &DataLayout; }
+ virtual const ARMELFWriterInfo *getELFWriterInfo() const {
+ return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
+ }
+};
+
+/// ThumbTargetMachine - Thumb target machine.
+/// Due to the way architectures are handled, this represents both
+/// Thumb-1 and Thumb-2.
+///
+class ThumbTargetMachine : public ARMBaseTargetMachine {
+ // Either Thumb1InstrInfo or Thumb2InstrInfo.
+ OwningPtr<ARMBaseInstrInfo> InstrInfo;
+ const TargetData DataLayout; // Calculates type size & alignment
+ ARMELFWriterInfo ELFWriterInfo;
+ ARMTargetLowering TLInfo;
+ ARMSelectionDAGInfo TSInfo;
+ // Either Thumb1FrameLowering or ARMFrameLowering.
+ OwningPtr<ARMFrameLowering> FrameLowering;
+public:
+ ThumbTargetMachine(const Target &T, const std::string &TT,
+ const std::string &FS);
+
+ /// returns either Thumb1RegisterInfo or Thumb2RegisterInfo
+ virtual const ARMBaseRegisterInfo *getRegisterInfo() const {
+ return &InstrInfo->getRegisterInfo();
+ }
+
+ virtual const ARMTargetLowering *getTargetLowering() const {
+ return &TLInfo;
+ }
+
+ virtual const ARMSelectionDAGInfo *getSelectionDAGInfo() const {
+ return &TSInfo;
+ }
+
+ /// returns either Thumb1InstrInfo or Thumb2InstrInfo
+ virtual const ARMBaseInstrInfo *getInstrInfo() const {
+ return InstrInfo.get();
+ }
+ /// returns either Thumb1FrameLowering or ARMFrameLowering
+ virtual const ARMFrameLowering *getFrameLowering() const {
+ return FrameLowering.get();
+ }
+ virtual const TargetData *getTargetData() const { return &DataLayout; }
+ virtual const ARMELFWriterInfo *getELFWriterInfo() const {
+ return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
+ }
+};
+
+} // end namespace llvm
+
+#endif