#include "ARMFrameLowering.h"
#include "ARMISelLowering.h"
#include "ARMInstrInfo.h"
-#include "ARMJITInfo.h"
#include "ARMSelectionDAGInfo.h"
#include "ARMSubtarget.h"
#include "Thumb1FrameLowering.h"
#include "Thumb1InstrInfo.h"
#include "Thumb2InstrInfo.h"
-#include "ARMJITInfo.h"
#include "MCTargetDesc/ARMMCTargetDesc.h"
#include "llvm/ADT/Triple.h"
#include "llvm/IR/DataLayout.h"
class GlobalValue;
class StringRef;
class TargetOptions;
+class ARMBaseTargetMachine;
class ARMSubtarget : public ARMGenSubtargetInfo {
protected:
enum ARMProcFamilyEnum {
Others, CortexA5, CortexA7, CortexA8, CortexA9, CortexA12, CortexA15,
- CortexR5, Swift, CortexA53, CortexA57, Krait
+ CortexA17, CortexR5, Swift, CortexA53, CortexA57, Krait,
};
enum ARMProcClassEnum {
None, AClass, RClass, MClass
Triple TargetTriple;
/// SchedModel - Processor specific instruction costs.
- const MCSchedModel *SchedModel;
+ MCSchedModel SchedModel;
/// Selected instruction itineraries (one entry per itinerary class.)
InstrItineraryData InstrItins;
/// Options passed via command line that could influence the target
const TargetOptions &Options;
- public:
- enum {
- ARM_ABI_UNKNOWN,
- ARM_ABI_APCS,
- ARM_ABI_AAPCS // ARM EABI
- } TargetABI;
+ const ARMBaseTargetMachine &TM;
+public:
/// This constructor initializes the data members to match that
/// of the specified triple.
///
ARMSubtarget(const std::string &TT, const std::string &CPU,
- const std::string &FS, TargetMachine &TM, bool IsLittle,
- const TargetOptions &Options);
+ const std::string &FS, const ARMBaseTargetMachine &TM, bool IsLittle);
/// getMaxInlineSizeThreshold - Returns the maximum memset / memcpy size
/// that still makes it profitable to inline the call.
/// subtarget options. Definition of function is auto generated by tblgen.
void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
- /// \brief Reset the features for the ARM target.
- void resetSubtargetFeatures(const MachineFunction *MF) override;
-
/// initializeSubtargetDependencies - Initializes using a CPU and feature string
/// so that we can use initializer lists for subtarget initialization.
ARMSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
const ARMSelectionDAGInfo *getSelectionDAGInfo() const override {
return &TSInfo;
}
- ARMJITInfo *getJITInfo() override { return &JITInfo; }
const ARMBaseInstrInfo *getInstrInfo() const override {
return InstrInfo.get();
}
private:
const DataLayout DL;
ARMSelectionDAGInfo TSInfo;
- ARMJITInfo JITInfo;
// Either Thumb1InstrInfo or Thumb2InstrInfo.
std::unique_ptr<ARMBaseInstrInfo> InstrInfo;
ARMTargetLowering TLInfo;
std::unique_ptr<ARMFrameLowering> FrameLowering;
void initializeEnvironment();
- void resetSubtargetFeatures(StringRef CPU, StringRef FS);
+ void initSubtargetFeatures(StringRef CPU, StringRef FS);
public:
void computeIssueWidth();
bool isTargetIOS() const { return TargetTriple.isiOS(); }
bool isTargetLinux() const { return TargetTriple.isOSLinux(); }
bool isTargetNaCl() const { return TargetTriple.isOSNaCl(); }
- bool isTargetNetBSD() const { return TargetTriple.getOS() == Triple::NetBSD; }
+ bool isTargetNetBSD() const { return TargetTriple.isOSNetBSD(); }
bool isTargetWindows() const { return TargetTriple.isOSWindows(); }
bool isTargetCOFF() const { return TargetTriple.isOSBinFormatCOFF(); }
return TargetTriple.getEnvironment() == Triple::Android;
}
- bool isAPCS_ABI() const {
- assert(TargetABI != ARM_ABI_UNKNOWN);
- return TargetABI == ARM_ABI_APCS;
- }
- bool isAAPCS_ABI() const {
- assert(TargetABI != ARM_ABI_UNKNOWN);
- return TargetABI == ARM_ABI_AAPCS;
- }
+ bool isAPCS_ABI() const;
+ bool isAAPCS_ABI() const;
bool isThumb() const { return InThumbMode; }
bool isThumb1Only() const { return InThumbMode && !HasThumb2; }
bool isRClass() const { return ARMProcClass == RClass; }
bool isAClass() const { return ARMProcClass == AClass; }
+ bool isV6M() const {
+ return isThumb1Only() && isMClass();
+ }
+
bool isR9Reserved() const { return IsR9Reserved; }
bool useMovt(const MachineFunction &MF) const;
/// True for some subtargets at > -O0.
bool enablePostMachineScheduler() const override;
- // enableAtomicExpandLoadLinked - True if we need to expand our atomics.
- bool enableAtomicExpandLoadLinked() const override;
+ // enableAtomicExpand- True if we need to expand our atomics.
+ bool enableAtomicExpand() const override;
- /// getInstrItins - Return the instruction itineraies based on subtarget
+ /// getInstrItins - Return the instruction itineraries based on subtarget
/// selection.
- const InstrItineraryData *getInstrItineraryData() const {
+ const InstrItineraryData *getInstrItineraryData() const override {
return &InstrItins;
}