#ifndef X86REGISTERINFO_H
#define X86REGISTERINFO_H
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallVector.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "X86GenRegisterInfo.h.inc"
/// these indices must be kept in sync with the class indices in the
/// X86RegisterInfo.td file.
enum SubregIndex {
- SUBREG_8BIT = 1, SUBREG_16BIT = 2, SUBREG_32BIT = 3
+ SUBREG_8BIT = 1, SUBREG_8BIT_HI = 2, SUBREG_16BIT = 3, SUBREG_32BIT = 4
};
}
/// getX86RegNum - Returns the native X86 register number for the given LLVM
/// register identifier.
- unsigned getX86RegNum(unsigned RegNo) const;
+ static unsigned getX86RegNum(unsigned RegNo);
unsigned getStackAlignment() const { return StackAlign; }
/// Code Generation virtual methods...
///
+
+ /// getPointerRegClass - Returns a TargetRegisterClass used for pointer
+ /// values.
+ const TargetRegisterClass *getPointerRegClass() const;
+
+ /// getCrossCopyRegClass - Returns a legal register class to copy a register
+ /// in the specified class to or from. Returns NULL if it is possible to copy
+ /// between a two registers of the specified class.
const TargetRegisterClass *
getCrossCopyRegClass(const TargetRegisterClass *RC) const;
bool hasFP(const MachineFunction &MF) const;
+ bool needsStackRealignment(const MachineFunction &MF) const;
+
bool hasReservedCallFrame(MachineFunction &MF) const;
void eliminateCallFramePseudoInstr(MachineFunction &MF,
int SPAdj, RegScavenger *RS = NULL) const;
void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
+ void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
+ RegScavenger *RS = NULL) const;
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+ void emitFrameMoves(MachineFunction &MF,
+ unsigned FrameLabelId, unsigned ReadyLabelId) const;
+
// Debug information queries.
unsigned getRARegister() const;
unsigned getFrameRegister(MachineFunction &MF) const;
// 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::ValueType, bool High=false);
+unsigned getX86SubSuperRegister(unsigned, MVT, bool High=false);
} // End llvm namespace