//
//===----------------------------------------------------------------------===//
-#ifndef X86REGISTERINFO_H
-#define X86REGISTERINFO_H
+#ifndef LLVM_LIB_TARGET_X86_X86REGISTERINFO_H
+#define LLVM_LIB_TARGET_X86_X86REGISTERINFO_H
#include "llvm/Target/TargetRegisterInfo.h"
#include "X86GenRegisterInfo.inc"
namespace llvm {
- class Type;
- class TargetInstrInfo;
- class X86TargetMachine;
+ class Triple;
class X86RegisterInfo final : public X86GenRegisterInfo {
-public:
- X86TargetMachine &TM;
-
private:
/// Is64Bit - Is the target 64-bits.
///
unsigned BasePtr;
public:
- X86RegisterInfo(X86TargetMachine &tm);
+ X86RegisterInfo(const Triple &TT);
// FIXME: This should be tablegen'd like getDwarfRegNum is
int getSEHRegNum(unsigned i) const;
- /// getCompactUnwindRegNum - This function maps the register to the number for
- /// compact unwind encoding. Return -1 if the register isn't valid.
- int getCompactUnwindRegNum(unsigned RegNum, bool isEH) const override;
-
/// Code Generation virtual methods...
///
bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;
getSubClassWithSubReg(const TargetRegisterClass *RC,
unsigned Idx) const override;
- const TargetRegisterClass*
- getLargestLegalSuperClass(const TargetRegisterClass *RC) const override;
+ const TargetRegisterClass *
+ getLargestLegalSuperClass(const TargetRegisterClass *RC,
+ const MachineFunction &MF) const override;
/// getPointerRegClass - Returns a TargetRegisterClass used for pointer
/// values.
const TargetRegisterClass *
getCrossCopyRegClass(const TargetRegisterClass *RC) const override;
+ /// getGPRsForTailCall - Returns a register class with registers that can be
+ /// used in forming tail calls.
+ const TargetRegisterClass *
+ getGPRsForTailCall(const MachineFunction &MF) const;
+
unsigned getRegPressureLimit(const TargetRegisterClass *RC,
MachineFunction &MF) const override;
/// getCalleeSavedRegs - Return a null-terminated list of all of the
/// callee-save registers on this target.
- const uint16_t *
+ const MCPhysReg *
getCalleeSavedRegs(const MachineFunction* MF) const override;
- const uint32_t *getCallPreservedMask(CallingConv::ID) const override;
- const uint32_t *getNoPreservedMask() const;
+ const uint32_t *getCallPreservedMask(const MachineFunction &MF,
+ CallingConv::ID) const override;
+ const uint32_t *getNoPreservedMask() const override;
+
+ // Calls involved in thread-local variable lookup save more registers than
+ // normal calls, so they need a different mask to represent this.
+ const uint32_t *getDarwinTLSCallPreservedMask() const;
/// getReservedRegs - Returns a bitset indexed by physical register number
/// indicating if a register is a special register that has particular uses and
/// register scavenger to determine what registers are free.
BitVector getReservedRegs(const MachineFunction &MF) const override;
- bool hasBasePointer(const MachineFunction &MF) const;
+ void adjustStackMapLiveOutMask(uint32_t *Mask) const override;
- bool canRealignStack(const MachineFunction &MF) const;
+ bool hasBasePointer(const MachineFunction &MF) const;
- bool needsStackRealignment(const MachineFunction &MF) const override;
+ bool canRealignStack(const MachineFunction &MF) const override;
bool hasReservedSpillSlot(const MachineFunction &MF, unsigned Reg,
int &FrameIdx) const override;
void eliminateFrameIndex(MachineBasicBlock::iterator MI,
int SPAdj, unsigned FIOperandNum,
- RegScavenger *RS = NULL) const override;
+ RegScavenger *RS = nullptr) const override;
// Debug information queries.
unsigned getFrameRegister(const MachineFunction &MF) const override;
+ unsigned getPtrSizedFrameRegister(const MachineFunction &MF) const;
unsigned getStackRegister() const { return StackPtr; }
unsigned getBaseRegister() const { return BasePtr; }
// FIXME: Move to FrameInfok
unsigned getSlotSize() const { return SlotSize; }
};
-// getX86SubSuperRegister - X86 utility function. It returns the sub or super
-// register of a specific X86 register.
-// e.g. getX86SubSuperRegister(X86::EAX, MVT::i16) return X86:AX
-unsigned getX86SubSuperRegister(unsigned, MVT::SimpleValueType, bool High=false);
-
//get512BitRegister - X86 utility - returns 512-bit super register
unsigned get512BitSuperRegister(unsigned Reg);